From 7f67b6569c780f554bfeb8b9641ec59005c775c4 Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Mon, 8 Nov 2010 06:23:16 -0700
Subject: [PATCH] v5.0.99.2: `proxy' -> `impersonator'

---
 collects/mzlib/private/contract-arrow.rkt     |    4 +-
 collects/racket/contract/private/arrow.rkt    |   46 +-
 collects/racket/contract/private/box.rkt      |    8 +-
 collects/racket/contract/private/guts.rkt     |   16 +-
 collects/racket/contract/private/hash.rkt     |    8 +-
 collects/racket/contract/private/misc.rkt     |    8 +-
 collects/racket/contract/private/vector.rkt   |   16 +-
 collects/racket/private/kw.rkt                |   62 +-
 collects/racket/private/pre-base.rkt          |    4 +-
 collects/scribblings/reference/booleans.scrbl |    6 +-
 .../scribblings/reference/chaperones.scrbl    |  302 ++-
 .../scribblings/reference/contracts.scrbl     |    8 +-
 collects/scribblings/reference/unsafe.scrbl   |   14 +-
 collects/tests/racket/chaperone.rktl          |  366 ++--
 doc/release-notes/racket/HISTORY.txt          |    4 +
 src/racket/include/mzwin.def                  |    2 +-
 src/racket/include/mzwin3m.def                |    2 +-
 src/racket/include/racket.exp                 |    2 +-
 src/racket/include/racket3m.exp               |    2 +-
 src/racket/src/bool.c                         |   50 +-
 src/racket/src/cstartup.inc                   | 1743 +++++++++--------
 src/racket/src/fun.c                          |   28 +-
 src/racket/src/jit.c                          |    6 +-
 src/racket/src/list.c                         |   60 +-
 src/racket/src/print.c                        |    2 +-
 src/racket/src/schemef.h                      |    2 +-
 src/racket/src/schemex.h                      |    2 +-
 src/racket/src/schemex.inc                    |    2 +-
 src/racket/src/schemexm.h                     |    2 +-
 src/racket/src/schpriv.h                      |    8 +-
 src/racket/src/schvers.h                      |    4 +-
 src/racket/src/struct.c                       |  140 +-
 src/racket/src/vector.c                       |   26 +-
 33 files changed, 1479 insertions(+), 1476 deletions(-)

diff --git a/collects/mzlib/private/contract-arrow.rkt b/collects/mzlib/private/contract-arrow.rkt
index dd62436435..34f4d261ff 100644
--- a/collects/mzlib/private/contract-arrow.rkt
+++ b/collects/mzlib/private/contract-arrow.rkt
@@ -50,7 +50,7 @@
                              (apply values res-checker kwd-vals args))
                            (λ args
                              (apply values res-checker args)))
-                          proxy-prop:contracted ctc)
+                          impersonator-prop:contracted ctc)
                          (raise-blame-error blame val "expected a procedure"))))))
              (define ctc
                (if (and (chaperone-contract? rngs-x) ...)
@@ -60,7 +60,7 @@
                     #:first-order procedure?)
                    (make-contract
                     #:name name
-                    #:projection (proj proxy-procedure)
+                    #:projection (proj impersonate-procedure)
                     #:first-order procedure?)))
              ctc)))]))
 
diff --git a/collects/racket/contract/private/arrow.rkt b/collects/racket/contract/private/arrow.rkt
index 11ea68b28b..22e95a0751 100644
--- a/collects/racket/contract/private/arrow.rkt
+++ b/collects/racket/contract/private/arrow.rkt
@@ -97,8 +97,8 @@ v4 todo:
                             #'(p-app-x ...)
                             (list #'res-checker)
                             (λ (s) #`(apply values #,@s args)))))
-                      proxy-prop:contracted ctc
-                      proxy-prop:application-mark (cons contract-key (list p-app-x ...)))))))
+                      impersonator-prop:contracted ctc
+                      impersonator-prop:application-mark (cons contract-key (list p-app-x ...)))))))
              (define ctc
                (if (and (chaperone-contract? rngs-x) ...)
                    (make-chaperone-contract
@@ -107,7 +107,7 @@ v4 todo:
                     #:first-order procedure?)
                    (make-contract
                     #:name name
-                    #:projection (projection proxy-procedure)
+                    #:projection (projection impersonate-procedure)
                     #:first-order procedure?)))
              ctc)))]))
 
@@ -440,10 +440,10 @@ v4 todo:
    #:first-order ->-first-order
    #:stronger ->-stronger?))
 
-(define-struct (proxy-> base->) ()
+(define-struct (impersonator-> base->) ()
   #:property prop:contract
   (build-contract-property
-   #:projection (->-proj proxy-procedure)
+   #:projection (->-proj impersonate-procedure)
    #:name ->-name
    #:first-order ->-first-order
    #:stronger ->-stronger?))
@@ -470,9 +470,9 @@ v4 todo:
           (make-chaperone-> pre post doms/c opt-doms/c rest/c
                             kwds/c mandatory-kwds opt-kwds/c optional-kwds
                             rngs/c rng-any? func)
-          (make-proxy-> pre post doms/c opt-doms/c rest/c
-                        kwds/c mandatory-kwds opt-kwds/c optional-kwds
-                        rngs/c rng-any? func)))))
+          (make-impersonator-> pre post doms/c opt-doms/c rest/c
+                               kwds/c mandatory-kwds opt-kwds/c optional-kwds
+                               rngs/c rng-any? func)))))
 
 (define (single-arrow-name-maker doms/c optional-doms/c doms-rest kwds/c kwds optional-kwds/c optional-kwds rng-any? rngs pre post)
   (cond
@@ -605,8 +605,8 @@ v4 todo:
                                     (syntax->list #'(kwd-names ...)))
                                null
                                (if (syntax->datum #'use-any?) #f (syntax->list #'(rng-names ...))))
-                            proxy-prop:contracted ctc
-                            proxy-prop:application-mark (cons contract-key (list rng-names ...)))))])
+                            impersonator-prop:contracted ctc
+                            impersonator-prop:application-mark (cons contract-key (list rng-names ...)))))])
         (syntax-property
          (syntax
           (build--> '->
@@ -930,8 +930,8 @@ v4 todo:
                             (map list (syntax->list #'(optional-dom-kwd ...))
                                  (syntax->list #'(optional-dom-kwd-proj ...)))
                             (if rng-ctc (syntax->list #'(rng-proj ...)) #f))
-                         proxy-prop:contracted ctc
-                         proxy-prop:application-mark (cons contract-key (list rng-proj ...))))))))))))]))
+                         impersonator-prop:contracted ctc
+                         impersonator-prop:application-mark (cons contract-key (list rng-proj ...))))))))))))]))
 
 (define-syntax (->* stx) #`(syntax-parameterize ((making-a-method #f)) #,(->*/proc/main stx)))
 
@@ -1313,7 +1313,7 @@ v4 todo:
                       [else (cons (invoke-dep-ctc (car non-kwd-ctcs) dep-pre-args (car args) (blame-swap blame))
                                   (loop (cdr args)
                                         (cdr non-kwd-ctcs)))])))))))
-           proxy-prop:contracted ->d-stct))))))
+           impersonator-prop:contracted ->d-stct))))))
 
 (define (build-values-string desc dep-pre-args)
   (cond
@@ -1377,14 +1377,14 @@ v4 todo:
                              (append mandatory-kwds optional-kwds)
                              (append mandatory-kwd-dom-ctcs optional-kwd-dom-ctcs))
                         (λ (x y) (keyword<? (car x) (car y))))])
-    (make-proxy-->d mtd?
-                    mandatory-dom-ctcs optional-dom-ctcs
-                    (map cdr kwd/ctc-pairs)
-                    rest-ctc pre-cond range post-cond
-                    (map car kwd/ctc-pairs)
-                    mandatory-kwds
-                    optional-kwds
-                    name-wrapper)))
+    (make-impersonator-->d mtd?
+                           mandatory-dom-ctcs optional-dom-ctcs
+                           (map cdr kwd/ctc-pairs)
+                           rest-ctc pre-cond range post-cond
+                           (map car kwd/ctc-pairs)
+                           mandatory-kwds
+                           optional-kwds
+                           name-wrapper)))
 
 (define (->d-name ctc) 
   (let* ([counting-id 'x]
@@ -1471,10 +1471,10 @@ v4 todo:
 ;; appropriately.  b) might be okay, but we should think about
 ;; it first.  At the very least, the projection function would
 ;; need to add checks in the appropriate places.
-(define-struct (proxy-->d base-->d) ()
+(define-struct (impersonator-->d base-->d) ()
   #:property prop:contract
   (build-contract-property
-   #:projection (->d-proj proxy-procedure)
+   #:projection (->d-proj impersonate-procedure)
    #:name ->d-name
    #:first-order ->d-first-order
    #:stronger ->d-stronger?))
diff --git a/collects/racket/contract/private/box.rkt b/collects/racket/contract/private/box.rkt
index 92f42693ac..0e490990ec 100644
--- a/collects/racket/contract/private/box.rkt
+++ b/collects/racket/contract/private/box.rkt
@@ -81,7 +81,7 @@
                 (box-wrapper val
                              (λ (b v) (pos-elem-proj v))
                              (λ (b v) (neg-elem-proj v))
-                             proxy-prop:contracted ctc))))))))
+                             impersonator-prop:contracted ctc))))))))
 
 (define-struct (chaperone-box/c base-box/c) ()
   #:property prop:chaperone-contract
@@ -90,12 +90,12 @@
    #:first-order box/c-first-order
    #:projection (ho-projection chaperone-box)))
 
-(define-struct (proxy-box/c base-box/c) ()
+(define-struct (impersonator-box/c base-box/c) ()
   #:property prop:contract
   (build-contract-property
    #:name box/c-name
    #:first-order box/c-first-order
-   #:projection (ho-projection proxy-box)))
+   #:projection (ho-projection impersonate-box)))
 
 (define-syntax (wrap-box/c stx)
   (syntax-case stx ()
@@ -144,5 +144,5 @@
       [(chaperone-contract? ctc)
        (make-chaperone-box/c ctc immutable)]
       [else
-       (make-proxy-box/c ctc immutable)])))
+       (make-impersonator-box/c ctc immutable)])))
 
diff --git a/collects/racket/contract/private/guts.rkt b/collects/racket/contract/private/guts.rkt
index e665a42d97..5ad8a521f3 100644
--- a/collects/racket/contract/private/guts.rkt
+++ b/collects/racket/contract/private/guts.rkt
@@ -44,7 +44,7 @@
          contract-first-order-passes?
          
          prop:contracted
-         proxy-prop:contracted
+         impersonator-prop:contracted
          has-contract?
          value-contract
          
@@ -59,14 +59,14 @@
 
 (define (has-contract? v)
   (or (has-prop:contracted? v)
-      (has-proxy-prop:contracted? v)))
+      (has-impersonator-prop:contracted? v)))
 
 (define (value-contract v)
   (cond
     [(has-prop:contracted? v)
      (get-prop:contracted v)]
-    [(has-proxy-prop:contracted? v)
-     (get-proxy-prop:contracted v)]
+    [(has-impersonator-prop:contracted? v)
+     (get-impersonator-prop:contracted v)]
     [else #f]))
 
 (define-values (prop:contracted has-prop:contracted? get-prop:contracted)
@@ -80,8 +80,8 @@
                        (lambda (s) v))))])
     (values prop pred (λ (v) ((get v) v)))))
 
-(define-values (proxy-prop:contracted has-proxy-prop:contracted? get-proxy-prop:contracted)
-  (make-proxy-property 'proxy-prop:contracted))
+(define-values (impersonator-prop:contracted has-impersonator-prop:contracted? get-impersonator-prop:contracted)
+  (make-impersonator-property 'impersonator-prop:contracted))
 
 (define-syntax (any stx)
   (raise-syntax-error 'any "use of 'any' outside the range of an arrow contract" stx))
@@ -339,7 +339,7 @@
    #:name and-name
    #:first-order and-first-order
    #:stronger and-stronger?))
-(define-struct (proxy-and/c base-and/c) ()
+(define-struct (impersonator-and/c base-and/c) ()
   #:property prop:contract
   (build-contract-property
    #:projection and-proj
@@ -358,7 +358,7 @@
           (λ (x) (for/and ([pred (in-list preds)]) (pred x)))))]
       [(andmap chaperone-contract? contracts)
        (make-chaperone-and/c contracts)]
-      [else (make-proxy-and/c contracts)])))
+      [else (make-impersonator-and/c contracts)])))
 
 (define (get-any-projection c) any-projection)
 (define (any-projection b) any-function)
diff --git a/collects/racket/contract/private/hash.rkt b/collects/racket/contract/private/hash.rkt
index 23b7263e41..b63239de6b 100644
--- a/collects/racket/contract/private/hash.rkt
+++ b/collects/racket/contract/private/hash.rkt
@@ -71,7 +71,7 @@
       [(chaperone-contract? rng-ctc)
        (make-chaperone-hash/c dom-ctc rng-ctc immutable)]
       [else
-       (make-proxy-hash/c dom-ctc rng-ctc immutable)])))
+       (make-impersonator-hash/c dom-ctc rng-ctc immutable)])))
 
 (define (check-hash/c ctc) 
   (let ([dom-ctc (base-hash/c-dom ctc)]
@@ -180,7 +180,7 @@
                    (neg-dom-proj k))
                  (λ (h k)
                    (pos-dom-proj k))
-                 proxy-prop:contracted ctc))))))))
+                 impersonator-prop:contracted ctc))))))))
 
 (define-struct (chaperone-hash/c base-hash/c) ()
   #:omit-define-syntaxes
@@ -190,10 +190,10 @@
    #:first-order hash/c-first-order
    #:projection (ho-projection chaperone-hash)))
 
-(define-struct (proxy-hash/c base-hash/c) ()
+(define-struct (impersonator-hash/c base-hash/c) ()
   #:omit-define-syntaxes
   #:property prop:contract
   (build-contract-property
    #:name hash/c-name
    #:first-order hash/c-first-order
-   #:projection (ho-projection proxy-hash)))
+   #:projection (ho-projection impersonate-hash)))
diff --git a/collects/racket/contract/private/misc.rkt b/collects/racket/contract/private/misc.rkt
index e5f09a842f..d79f083879 100644
--- a/collects/racket/contract/private/misc.rkt
+++ b/collects/racket/contract/private/misc.rkt
@@ -119,11 +119,11 @@
              [(null? (cdr ho-contracts))
               (if (chaperone-contract? (car ho-contracts))
                   (make-chaperone-single-or/c pred flat-contracts (car ho-contracts))
-                  (make-proxy-single-or/c pred flat-contracts (car ho-contracts)))]
+                  (make-impersonator-single-or/c pred flat-contracts (car ho-contracts)))]
              [else
               (if (andmap chaperone-contract? ho-contracts)
                   (make-chaperone-multi-or/c flat-contracts ho-contracts)
-                  (make-proxy-multi-or/c flat-contracts ho-contracts))]))))]))
+                  (make-impersonator-multi-or/c flat-contracts ho-contracts))]))))]))
 
 (define (single-or/c-projection ctc)
   (let ([c-proc (contract-projection (single-or/c-ho-ctc ctc))]
@@ -167,7 +167,7 @@
    #:first-order single-or/c-first-order
    #:stronger single-or/c-stronger?))
 
-(define-struct (proxy-single-or/c single-or/c) ()
+(define-struct (impersonator-single-or/c single-or/c) ()
   #:property prop:contract
   (build-contract-property
    #:projection single-or/c-projection
@@ -253,7 +253,7 @@
    #:first-order multi-or/c-first-order
    #:stronger multi-or/c-stronger?))
 
-(define-struct (proxy-multi-or/c multi-or/c) ()
+(define-struct (impersonator-multi-or/c multi-or/c) ()
   #:property prop:contract
   (build-contract-property
    #:projection multi-or/c-proj
diff --git a/collects/racket/contract/private/vector.rkt b/collects/racket/contract/private/vector.rkt
index 207d761a25..46393c404d 100644
--- a/collects/racket/contract/private/vector.rkt
+++ b/collects/racket/contract/private/vector.rkt
@@ -85,7 +85,7 @@
                     (elem-pos-proj val))
                   (λ (vec i val)
                     (elem-neg-proj val))
-                  proxy-prop:contracted ctc))))))))
+                  impersonator-prop:contracted ctc))))))))
 
 (define-struct (chaperone-vectorof base-vectorof) ()
   #:property prop:chaperone-contract
@@ -94,12 +94,12 @@
    #:first-order vectorof-first-order
    #:projection (vectorof-ho-projection chaperone-vector)))
 
-(define-struct (proxy-vectorof base-vectorof) ()
+(define-struct (impersonator-vectorof base-vectorof) ()
   #:property prop:contract
   (build-contract-property
    #:name vectorof-name
    #:first-order vectorof-first-order
-   #:projection (vectorof-ho-projection proxy-vector)))
+   #:projection (vectorof-ho-projection impersonate-vector)))
 
 (define-syntax (wrap-vectorof stx)
   (syntax-case stx ()
@@ -149,7 +149,7 @@
       [(chaperone-contract? ctc)
        (make-chaperone-vectorof ctc immutable)]
       [else
-       (make-proxy-vectorof ctc immutable)])))
+       (make-impersonator-vectorof ctc immutable)])))
 
 (define/subexpression-pos-prop (vector-immutableof c)
   (vectorof c #:immutable #t))
@@ -239,7 +239,7 @@
                     ((vector-ref elem-pos-projs i) val))
                   (λ (vec i val)
                     ((vector-ref elem-neg-projs i) val))
-                  proxy-prop:contracted ctc))))))))
+                  impersonator-prop:contracted ctc))))))))
 
 (define-struct (chaperone-vector/c base-vector/c) ()
   #:property prop:chaperone-contract
@@ -248,12 +248,12 @@
    #:first-order vector/c-first-order
    #:projection (vector/c-ho-projection chaperone-vector)))
 
-(define-struct (proxy-vector/c base-vector/c) ()
+(define-struct (impersonator-vector/c base-vector/c) ()
   #:property prop:contract
   (build-contract-property
    #:name vector/c-name
    #:first-order vector/c-first-order
-   #:projection (vector/c-ho-projection proxy-vector)))
+   #:projection (vector/c-ho-projection impersonate-vector)))
 
 (define-syntax (wrap-vector/c stx)
   (syntax-case stx ()
@@ -303,7 +303,7 @@
       [(andmap chaperone-contract? ctcs)
        (make-chaperone-vector/c ctcs immutable)]
       [else
-       (make-proxy-vector/c ctcs immutable)])))
+       (make-impersonator-vector/c ctcs immutable)])))
 
 (define/subexpression-pos-prop (vector-immutable/c . args)
   (apply vector/c args #:immutable #t))
diff --git a/collects/racket/private/kw.rkt b/collects/racket/private/kw.rkt
index fe503ec77a..3a9da1bc16 100644
--- a/collects/racket/private/kw.rkt
+++ b/collects/racket/private/kw.rkt
@@ -23,22 +23,22 @@
              new:procedure->method
              new:procedure-rename
              new:chaperone-procedure
-             new:proxy-procedure)
+             new:impersonate-procedure)
   
   ;; ----------------------------------------
 
-  (define-values (prop:keyword-proxy keyword-proxy? keyword-proxy-ref) 
-    (make-struct-type-property 'keyword-proxy))
-  (define (keyword-procedure-proxy-of v)
+  (define-values (prop:keyword-impersonator keyword-impersonator? keyword-impersonator-ref) 
+    (make-struct-type-property 'keyword-impersonator))
+  (define (keyword-procedure-impersonator-of v)
     (cond
-     [(keyword-proxy? v) ((keyword-proxy-ref v) v)]
+     [(keyword-impersonator? v) ((keyword-impersonator-ref v) v)]
      [else #f]))
 
   (define-values (struct:keyword-procedure mk-kw-proc keyword-procedure?
                                            keyword-procedure-ref keyword-procedure-set!)
     (make-struct-type 'keyword-procedure #f 4 0 #f
                       (list (cons prop:checked-procedure #t)
-                            (cons prop:proxy-of keyword-procedure-proxy-of))
+                            (cons prop:impersonator-of keyword-procedure-impersonator-of))
                       (current-inspector)
                       #f
                       '(0 1 2 3)))
@@ -131,13 +131,13 @@
   ;;  is used for each evaluation of a keyword lambda.)
   ;; The `procedure' property is a per-type method that has exactly
   ;;  the right arity, and that sends all arguments to `missing-kw'.
-  (define (make-required name fail-proc method? proxy?)
+  (define (make-required name fail-proc method? impersonator?)
     (let-values ([(s: mk ? -ref -set!)
                   (make-struct-type (or name 'unknown)
-                                    (if proxy?
+                                    (if impersonator?
                                         (if method?
-                                            struct:keyword-method-proxy
-                                            struct:keyword-procedure-proxy)
+                                            struct:keyword-method-impersonator
+                                            struct:keyword-procedure-impersonator)
                                         (if method?
                                             struct:keyword-method
                                             struct:keyword-procedure))
@@ -156,26 +156,26 @@
 
   
   ;; Proxies
-  (define-values (struct:keyword-procedure-proxy make-kpp keyword-procedure-proxy? kpp-ref kpp-set!)
+  (define-values (struct:keyword-procedure-impersonator make-kpp keyword-procedure-impersonator? kpp-ref kpp-set!)
     (make-struct-type 'procedure
                       struct:keyword-procedure
                       1 0 #f
-                      (list (cons prop:keyword-proxy (lambda (v) (kpp-ref v 0))))))
-  (define-values (struct:keyword-method-proxy make-kmp keyword-method-proxy? kmp-ref kmp-set!)
+                      (list (cons prop:keyword-impersonator (lambda (v) (kpp-ref v 0))))))
+  (define-values (struct:keyword-method-impersonator make-kmp keyword-method-impersonator? kmp-ref kmp-set!)
     (make-struct-type 'procedure
                       struct:keyword-method
                       1 0 #f
-                      (list (cons prop:keyword-proxy (lambda (v) (kmp-ref v 0))))))
-  (define-values (struct:okpp make-optional-keyword-procedure-proxy okpp? okpp-ref okpp-set!)
+                      (list (cons prop:keyword-impersonator (lambda (v) (kmp-ref v 0))))))
+  (define-values (struct:okpp make-optional-keyword-procedure-impersonator okpp? okpp-ref okpp-set!)
     (make-struct-type 'procedure
                       struct:okp
                       1 0 #f
-                      (list (cons prop:keyword-proxy (lambda (v) (okpp-ref v 0))))))
-  (define-values (struct:okmp make-optional-keyword-method-proxy okmp? okmp-ref okmp-set!)
+                      (list (cons prop:keyword-impersonator (lambda (v) (okpp-ref v 0))))))
+  (define-values (struct:okmp make-optional-keyword-method-impersonator okmp? okmp-ref okmp-set!)
     (make-struct-type 'procedure
                       struct:okp
                       1 0 #f
-                      (list (cons prop:keyword-proxy (lambda (v) (okmp-ref v 0))))))
+                      (list (cons prop:keyword-impersonator (lambda (v) (okmp-ref v 0))))))
 
   ;; ----------------------------------------
 
@@ -1179,20 +1179,20 @@
              (do-chaperone-procedure #f chaperone-procedure 'chaperone-procedure proc wrap-proc props))])
       chaperone-procedure))
 
-  (define new:proxy-procedure
-    (let ([proxy-procedure 
+  (define new:impersonate-procedure
+    (let ([impersonate-procedure 
            (lambda (proc wrap-proc . props)
-             (do-chaperone-procedure #t proxy-procedure 'proxy-procedure proc wrap-proc props))])
-      proxy-procedure))
+             (do-chaperone-procedure #t impersonate-procedure 'impersonate-procedure proc wrap-proc props))])
+      impersonate-procedure))
 
-  (define (do-chaperone-procedure is-proxy? chaperone-procedure name proc wrap-proc props)
+  (define (do-chaperone-procedure is-impersonator? chaperone-procedure name proc wrap-proc props)
     (if (or (not (keyword-procedure? proc))
             (not (procedure? wrap-proc))
             ;; if any bad prop, let `chaperone-procedure' complain
             (let loop ([props props])
               (cond
                [(null? props) #f]
-               [(proxy-property? (car props))
+               [(impersonator-property? (car props))
                 (let ([props (cdr props)])
                   (or (null? props)
                       (loop (cdr props))))]
@@ -1225,7 +1225,7 @@
              name
              (format
               "~a procedure requires more keywords than original procedure: "
-              (if is-proxy? "proxying" "chaperoning"))
+              (if is-impersonator? "impersonating" "chaperoning"))
              proc))
           (unless (or (not b-allow)
                       (and a-allow
@@ -1234,7 +1234,7 @@
              name
              (format
               "~a procedure does not accept all keywords of original procedure: "
-              (if is-proxy? "proxying" "chaperoning"))
+              (if is-impersonator? "impersonating" "chaperoning"))
              proc))
           (let* ([kw-chaperone
                   (let ([p (keyword-procedure-proc wrap-proc)])
@@ -1266,7 +1266,7 @@
                                    wrap-proc))
                                 (for-each
                                  (lambda (kw new-arg arg)
-                                   (unless is-proxy?
+                                   (unless is-impersonator?
                                      (unless (chaperone-of? new-arg arg)
                                        (raise-mismatch-error
                                         '|keyword procedure chaperone|
@@ -1283,10 +1283,10 @@
                  [new-proc
                   (cond
                    [(okp? proc)
-                    (if is-proxy?
+                    (if is-impersonator?
                         ((if (okm? proc)
-                             make-optional-keyword-method-proxy
-                             make-optional-keyword-procedure-proxy)
+                             make-optional-keyword-method-impersonator
+                             make-optional-keyword-procedure-impersonator)
                          (keyword-procedure-checker proc)
                          (chaperone-procedure (keyword-procedure-proc proc)
                                               kw-chaperone)
@@ -1305,7 +1305,7 @@
                            (chaperone-procedure proc
                                                 (okp-ref wrap-proc 0)))))]
                    [else
-                    (if is-proxy?
+                    (if is-impersonator?
                         ;; Constructor must be from `make-required':
                         (let* ([name+fail (keyword-procedure-name+fail proc)]
                                [mk (make-required (car name+fail) (cdr name+fail) (keyword-method? proc) #t)])
diff --git a/collects/racket/private/pre-base.rkt b/collects/racket/private/pre-base.rkt
index 726dbebe9c..bf25e6667a 100644
--- a/collects/racket/private/pre-base.rkt
+++ b/collects/racket/private/pre-base.rkt
@@ -126,11 +126,11 @@
              (rename new:procedure->method procedure->method)
              (rename new:procedure-rename procedure-rename)
              (rename new:chaperone-procedure chaperone-procedure)
-             (rename new:proxy-procedure proxy-procedure)
+             (rename new:impersonate-procedure impersonate-procedure)
              (all-from-except '#%kernel lambda λ #%app #%module-begin apply prop:procedure 
                               procedure-arity procedure-reduce-arity raise-arity-error
                               procedure->method procedure-rename
-                              chaperone-procedure proxy-procedure)
+                              chaperone-procedure impersonate-procedure)
              (all-from "reqprov.rkt")
              (all-from "for.rkt")
              (all-from "kernstruct.rkt")
diff --git a/collects/scribblings/reference/booleans.scrbl b/collects/scribblings/reference/booleans.scrbl
index 010cd4d52d..013694c252 100644
--- a/collects/scribblings/reference/booleans.scrbl
+++ b/collects/scribblings/reference/booleans.scrbl
@@ -44,7 +44,7 @@ strings, byte strings, numbers, pairs, mutable pairs, vectors, boxes, hash
 tables, and inspectable structures. In the last five cases, equality
 is recursively defined; if both @scheme[v1] and @scheme[v2] contain
 reference cycles, they are equal when the infinite unfoldings of the
-values would be equal. See also @scheme[prop:equal+hash] and @racket[prop:proxy-of].
+values would be equal. See also @scheme[prop:equal+hash] and @racket[prop:impersonator-of].
 
 @examples[
 (equal? 'yes 'yes)
@@ -183,8 +183,8 @@ transparent structures, @scheme[equal-hash-code] and
 values. For opaque structure types, @scheme[equal?] is the same as
 @scheme[eq?], and @scheme[equal-hash-code] and
 @scheme[equal-secondary-hash-code] results are based only on
-@scheme[eq-hash-code]. If a structure has a @racket[prop:proxy-of]
-property, then the @racket[prop:proxy-of] property takes precedence over
+@scheme[eq-hash-code]. If a structure has a @racket[prop:impersonator-of]
+property, then the @racket[prop:impersonator-of] property takes precedence over
 @racket[prop:equal+hash] if the property value's procedure returns a
 non-@racket[#f] value when applied to the structure.
 
diff --git a/collects/scribblings/reference/chaperones.scrbl b/collects/scribblings/reference/chaperones.scrbl
index a301035537..ee11a8f208 100644
--- a/collects/scribblings/reference/chaperones.scrbl
+++ b/collects/scribblings/reference/chaperones.scrbl
@@ -8,16 +8,16 @@
 @(define-syntax-rule (operations i ...)
    (itemlist #:style 'compact @item{@op[i]} ...))
 
-@title[#:tag "chaperones"]{Proxies and Chaperones}
+@title[#:tag "chaperones"]{Impersonators and Chaperones}
 
-A @deftech{proxy} is a wrapper for a value where the wrapper
-redirects certain of the value's operations. Proxies apply only to procedures,
+An @deftech{impersonator} is a wrapper for a value where the wrapper
+redirects certain of the value's operations. Impersonators apply only to procedures,
 @tech{structures} for which an accessor or mutator is available,
 @tech{structure types}, @tech{hash tables}, @tech{vectors},
-and @tech{box}es. A proxied value is @scheme[equal?] to the original
+and @tech{box}es. An impersonator is @scheme[equal?] to the original
 value, but not @scheme[eq?] to the original value.
 
-A @deftech{chaperone} is a kind of proxy whose refinement of a value's
+A @deftech{chaperone} is a kind of impersonator whose refinement of a value's
 operation is restricted to side effects (including, in particular,
 raising an exception) or chaperoning values supplied to or produced by
 the operation. For example, a vector chaperone can redirect
@@ -27,16 +27,16 @@ to be a chaperoned variant of the value that is in the accessed vector
 slot, but it cannot redirect @scheme[vector-ref] to produce a value
 that is arbitrarily different from the value in the vector slot.
 
-A non-@tech{chaperone} @tech{proxy}, in contrast, can refine an operation to swap one
-value for any another. A proxy cannot be applied to an immutable value
+A non-@tech{chaperone} @tech{impersonator}, in contrast, can refine an operation to swap one
+value for any another. An impersonator cannot be applied to an immutable value
 or refine the access to an immutable field in an instance of a @tech{structure
 type}, since arbitrary replacement of an operation's value amounts to
-mutation of the proxied value.
+mutation of the impersonated value.
 
 Beware that each of the following operations can be redirected to
-arbitrary procedure through proxies on the operation's
+arbitrary procedure through impersonators on the operation's
 argument---assuming that the operation is available to the creator of
-the proxy:
+the impersonator:
 
 @operations[@t{a structure-field accesor}
             @t{a structure-field mutator}
@@ -47,50 +47,50 @@ the proxy:
             hash-ref hash-set hash-set! hash-remove hash-remove!]
 
 Derived operations, such as printing a value, can be redirected
-through proxies due to their use of accessor functions. The
+through impersonators due to their use of accessor functions. The
 @scheme[equal?], @scheme[equal-hash-code], and
 @scheme[equal-secondary-hash-code] operations, in contrast, may bypass
-proxies (but they are not obliged to).
+impersonators (but they are not obliged to).
 
 In addition to redirecting operations that work on a value, a
-proxy can include @deftech{proxy properties} for a proxied
-value. A @tech{proxy property} is similar to a @tech{structure
-type property}, but it applies to chaperones instead of structure
+impersonator can include @deftech{impersonator properties} for an impersonated
+value. An @tech{impersonator property} is similar to a @tech{structure
+type property}, but it applies to impersonators instead of structure
 types and their instances.
 
 
-@defproc[(proxy? [v any/c]) boolean?]{
+@defproc[(impersonator? [v any/c]) boolean?]{
 
-Returns @scheme[#t] if @scheme[v] is a proxy, @scheme[#f] otherwise.
+Returns @scheme[#t] if @scheme[v] is an @tech{impersonator}, @scheme[#f] otherwise.
 
-Programs and libraries generally should avoid @scheme[proxy?] and
-treat proxies the same as unproxied values. In rare cases,
-@scheme[proxy?] may be needed to guard against redirection by a
-proxy of an operation to an arbitrary procedure.}
+Programs and libraries generally should avoid @scheme[impersonator?] and
+treat impersonators the same as non-impersonator values. In rare cases,
+@scheme[impersonator?] may be needed to guard against redirection by an
+impersonator of an operation to an arbitrary procedure.}
 
 
 @defproc[(chaperone? [v any/c]) boolean?]{
 
-Returns @scheme[#t] if @scheme[v] is a chaperone, @scheme[#f] otherwise.
+Returns @scheme[#t] if @scheme[v] is a @tech{chaperone}, @scheme[#f] otherwise.
 
 Programs and libraries generally should avoid @scheme[chaperone?] for
-the same reason that they should avoid @racket[proxy?].}
+the same reason that they should avoid @racket[impersonator?].}
 
 
-@defproc[(proxy-of? [v1 any/c] [v2 any/c]) boolean?]{
+@defproc[(impersonator-of? [v1 any/c] [v2 any/c]) boolean?]{
 
 Indicates whether @scheme[v1] can be considered equivalent modulo
-proxies to @scheme[v2].
+impersonators to @scheme[v2].
 
-For values that include no proxies, @scheme[v1] and @scheme[v2] can
-be considered proxies of each other if they are @scheme[equal?].
+For values that include no impersonators, @scheme[v1] and @scheme[v2] can
+be considered impersonators of each other if they are @scheme[equal?].
 
-Otherwise, all proxies of @scheme[v2] must be intact in @scheme[v1],
+Otherwise, all impersonators of @scheme[v2] must be intact in @scheme[v1],
 in the sense that parts of @scheme[v2] must be derived from
-@scheme[v1] through one of the proxy constructors (e.g.,
-@scheme[proxy-procedure] or @racket[chaperone-procedure]).
+@scheme[v1] through one of the impersonator constructors (e.g.,
+@scheme[impersonate-procedure] or @racket[chaperone-procedure]).
 
-See also @racket[prop:proxy-of].}
+See also @racket[prop:impersonator-of].}
 
 
 @defproc[(chaperone-of? [v1 any/c] [v2 any/c]) boolean?]{
@@ -109,16 +109,16 @@ from @scheme[v1] through one of the chaperone constructors (e.g.,
 @scheme[chaperone-procedure]).}
 
 @; ------------------------------------------------------------
-@section{Proxy Constructors}
+@section{Impersonator Constructors}
 
-@defproc[(proxy-procedure [proc procedure?]
-                          [wrapper-proc procedure?]
-                          [prop proxy-property?]
-                          [prop-val any] ... ...)
-         (and/c procedure? proxy?)]{
+@defproc[(impersonate-procedure [proc procedure?]
+                                [wrapper-proc procedure?]
+                                [prop impersonator-property?]
+                                [prop-val any] ... ...)
+         (and/c procedure? impersonator?)]{
 
-Returns a proxied procedure that has the same arity, name, and
-other attributes as @scheme[proc]. When the proxied procedure is
+Returns an impersonator procedure that has the same arity, name, and
+other attributes as @scheme[proc]. When the impersonator procedure is
 applied, the arguments are first passed to @scheme[wrapper-proc], and
 then the results from @scheme[wrapper-proc] are passed to
 @scheme[proc]. The @scheme[wrapper-proc] can also supply a procedure
@@ -137,44 +137,44 @@ before the others. The additional result, if any, must be a procedure
 that accepts as many results as produced by @scheme[proc]; it must
 return the same number of results.  If @scheme[wrapper-proc] returns
 the same number of values as it is given (i.e., it does not return a
-procedure to proxy @scheme[proc]'s result), then @scheme[proc] is
-called in @tech{tail position} with respect to the call to the proxy.
+procedure to impersonator @scheme[proc]'s result), then @scheme[proc] is
+called in @tech{tail position} with respect to the call to the impersonator.
 
 For applications that include keyword arguments, @scheme[wrapper-proc]
 must return an additional value before any other values but after the
-result-proxying procedure (if any). The additional value must be a
-list of proxys of the keyword arguments that were supplied to the
-proxied procedure (i.e., not counting optional arguments that were
+result-impersonating procedure (if any). The additional value must be a
+list of replacements for the keyword arguments that were supplied to the
+impersonator (i.e., not counting optional arguments that were
 not supplied). The arguments must be ordered according to the sorted
 order of the supplied arguments' keywords.
 
 Pairs of @scheme[prop] and @scheme[prop-val] (the number of arguments
-to @scheme[procedure-proxy] must be even) add proxy properties
-or override proxy-property values of @scheme[proc].
+to @scheme[procedure-impersonator] must be even) add impersonator properties
+or override impersonator-property values of @scheme[proc].
 
-If any @scheme[prop] is @racket[proxy-prop:application-mark] and if the
+If any @scheme[prop] is @racket[impersonator-prop:application-mark] and if the
 associated @racket[prop-val] is a pair, then the call to @racket[proc]
 is wrapped with @racket[with-continuation-mark] using @racket[(car
 prop-val)] as the mark key and @racket[(cdr prop-val)] as the mark
 value. In addition, if @racket[continuation-mark-set-first] with
 @racket[(car prop-val)] produces a value for the immediate
-continuation frame of the call to the proxied procedure, the value is
+continuation frame of the call to the impersonated procedure, the value is
 also installed as an immediate value for @racket[(car prop-val)] as a
 mark during the call to @racket[wrapper-proc] (which allows tail-calls
-of proxies with respect to wrapping proxies to be detected within
+of impersonators with respect to wrapping impersonators to be detected within
 @racket[wrapper-proc]).}
 
 
-@defproc[(proxy-struct [v any/c]
-                       [orig-proc (or/c struct-accessor-procedure?
-                                        struct-mutator-procedure?)]
-                       [redirect-proc procedure?] ... ...
-                       [prop proxy-property?]
-                       [prop-val any] ... ...)
+@defproc[(impersonate-struct [v any/c]
+                             [orig-proc (or/c struct-accessor-procedure?
+                                              struct-mutator-procedure?)]
+                             [redirect-proc procedure?] ... ...
+                             [prop impersonator-property?]
+                             [prop-val any] ... ...)
           any/c]{
 
-Returns a proxied value like @scheme[v], but with certain
-operations on the proxied redirected. The @scheme[orig-proc]s
+Returns an impersonator of @scheme[v], with redirect certain
+operations on the impersonated value. The @scheme[orig-proc]s
 indicate the operations to redirect, and the corresponding
 @scheme[redirect-proc]s supply the redirections.
 
@@ -183,14 +183,14 @@ The protocol for a @scheme[redirect-proc] depends on the corresponding
 
 @itemlist[
 
- @item{A structure-field: @scheme[redirect-proc]
+ @item{A structure-field accessor: @scheme[redirect-proc]
       must accept two arguments, @scheme[v] and the value
       @scheme[_field-v] that @scheme[orig-proc] produces for
       @scheme[v]; it must return a replacement for
       @scheme[_field-v]. The corresponding field must not be
       immutable.}
 
- @item{A structure field mutator: @scheme[redirect-proc] must accept
+ @item{A structure-field mutator: @scheme[redirect-proc] must accept
       two arguments, @scheme[v] and the value @scheme[_field-v]
       supplied to the mutator; it must return a replacement for
       @scheme[_field-v] to be propagated to @scheme[orig-proc] and
@@ -199,25 +199,24 @@ The protocol for a @scheme[redirect-proc] depends on the corresponding
 ]
 
 Pairs of @scheme[prop] and @scheme[prop-val] (the number of arguments
-to @scheme[proxy-procedure] must be odd) add proxy properties
-or override proxy-property values of @scheme[v].}
+to @scheme[impersonate-struct] must be odd) add impersonator properties
+or override impersonator-property values of @scheme[v].}
 
-@defproc[(proxy-vector [vec (and/c vector? (not/c immutable?))]
-                       [ref-proc (vector? exact-nonnegative-integer? any/c . -> . any/c)]
-                       [set-proc (vector? exact-nonnegative-integer? any/c . -> . any/c)]
-                       [prop proxy-property?]
-                       [prop-val any] ... ...)
-          (and/c vector? proxy?)]{
+@defproc[(impersonate-vector [vec (and/c vector? (not/c immutable?))]
+                             [ref-proc (vector? exact-nonnegative-integer? any/c . -> . any/c)]
+                             [set-proc (vector? exact-nonnegative-integer? any/c . -> . any/c)]
+                             [prop impersonator-property?]
+                             [prop-val any] ... ...)
+          (and/c vector? impersonator?)]{
 
-Returns a proxied value like @scheme[vec], but with
-@scheme[vector-ref] and @scheme[vector-set!] operations on the
-proxied vector redirected.
+Returns an impersonator of @scheme[vec], which redirects the
+@scheme[vector-ref] and @scheme[vector-set!] operations.
 
 The @scheme[ref-proc] must accept @scheme[vec], an index passed to
 @scheme[vector-ref], and the value that @scheme[vector-ref] on
 @scheme[vec] produces for the given index; it must produce a
 replacement for the value, which is the result of @scheme[vector-ref]
-on the proxy.
+on the impersonator.
 
 The @scheme[set-proc] must accept @scheme[vec], an index passed to
 @scheme[vector-set!], and the value passed to @scheme[vector-set!]; it
@@ -226,24 +225,23 @@ with @scheme[vector-set!] on the original @scheme[vec] to install the
 value.
 
 Pairs of @scheme[prop] and @scheme[prop-val] (the number of arguments
-to @scheme[proxy-vector] must be odd) add proxy properties
-or override proxy-property values of @scheme[vec].}
+to @scheme[impersonate-vector] must be odd) add impersonator properties
+or override impersonator-property values of @scheme[vec].}
 
-@defproc[(proxy-box [box (and/c box? (not/c immutable?))]
-                    [unbox-proc (box? any/c . -> . any/c)]
-                    [set-proc (box? any/c . -> . any/c)]
-                    [prop proxy-property?]
-                    [prop-val any] ... ...)
-          (and/c box? proxy?)]{
+@defproc[(impersonate-box [box (and/c box? (not/c immutable?))]
+                          [unbox-proc (box? any/c . -> . any/c)]
+                          [set-proc (box? any/c . -> . any/c)]
+                          [prop impersonator-property?]
+                          [prop-val any] ... ...)
+          (and/c box? impersonator?)]{
 
-Returns a proxied value like @scheme[bx], but with
-@scheme[unbox] and @scheme[set-box!] operations on the
-proxied box redirected.
+Returns an impersonator of @scheme[bx], which redirects the
+@scheme[unbox] and @scheme[set-box!] operations.
 
 The @scheme[unbox-proc] must accept @scheme[bx] and the value that
 @scheme[unbox] on @scheme[bx] produces index; it must produce a replacement
 value, which is the result of
-@scheme[unbox] on the proxy.
+@scheme[unbox] on the impersonator.
 
 The @scheme[set-proc] must accept @scheme[bx] and the value passed to
 @scheme[set-box!]; it must produce a replacement
@@ -251,28 +249,28 @@ value, which is used with @scheme[set-box!] on the original
 @scheme[bx] to install the value.
 
 Pairs of @scheme[prop] and @scheme[prop-val] (the number of arguments
-to @scheme[proxy-box] must be odd) add proxy properties
-or override proxy-property values of @scheme[bx].}
+to @scheme[impersonate-box] must be odd) add impersonator properties
+or override impersonator-property values of @scheme[bx].}
 
 
-@defproc[(proxy-hash [hash (and/c hash? (not/c immutable?))]
-                     [ref-proc (hash? any/c . -> . (values 
-                                                    any/c 
-                                                    (hash? any/c any/c . -> . any/c)))]
-                     [set-proc (hash? any/c any/c . -> . (values any/c any/c))]
-                     [remove-proc (hash? any/c . -> . any/c)]
-                     [key-proc (hash? any/c . -> . any/c)]
-                     [prop proxy-property?]
-                     [prop-val any] ... ...)
-          (and/c hash? proxy?)]{
+@defproc[(impersonate-hash [hash (and/c hash? (not/c immutable?))]
+                           [ref-proc (hash? any/c . -> . (values 
+                                                          any/c 
+                                                          (hash? any/c any/c . -> . any/c)))]
+                           [set-proc (hash? any/c any/c . -> . (values any/c any/c))]
+                           [remove-proc (hash? any/c . -> . any/c)]
+                           [key-proc (hash? any/c . -> . any/c)]
+                           [prop impersonator-property?]
+                           [prop-val any] ... ...)
+          (and/c hash? impersonator?)]{
 
-Returns a proxied value like @scheme[hash], but with
+Returns an impersonator of @scheme[hash], which redirects the
 @scheme[hash-ref], @scheme[hash-set!] or @scheme[hash-set] (as
-applicable) and @scheme[hash-remove] or @scheme[hash-remove!] (as
-application) operations on the proxied hash table redirected. When
-@scheme[hash-set] or @scheme[hash-remove] is used on a proxied hash
-table, the resulting hash table is given all of the proxys of the
-given hash table. In addition, operations like
+applicable), and @scheme[hash-remove] or @scheme[hash-remove!] (as
+application) operations. When
+@scheme[hash-set] or @scheme[hash-remove] is used on an impersonator of a hash
+table, the result is an impersonator with the same redirecting procedures. 
+In addition, operations like
 @scheme[hash-iterate-key] or @scheme[hash-map], which extract
 keys from the table, use @scheme[key-proc] to filter keys extracted
 from the table. Operations like @scheme[hash-iterate-value] or
@@ -285,7 +283,7 @@ as well as a procedure. The returned procedure is called only if the
 returned key is found in @scheme[hash] via @scheme[hash-ref], in which
 case the procedure is called with @scheme[hash], the previously
 returned key, and the found value. The returned procedure must itself
-return a replecement for the found value.
+return a replacement for the found value.
 
 The @scheme[set-proc] must accept @scheme[hash], a key passed to
 @scheme[hash-set!] or @scheme[hash-set], and the value passed to
@@ -298,7 +296,7 @@ The @scheme[remove-proc] must accept @scheme[hash] and a key passed to
 @scheme[hash-remove!] or @scheme[hash-remove]; it must produce the a
 replacement for the key, which is used with @scheme[hash-remove!] or
 @scheme[hash-remove] on the original @scheme[hash] to remove any
-mapping using the (proxy-replaced) key.
+mapping using the (impersonator-replaced) key.
 
 The @scheme[key-proc] must accept @scheme[hash] and a key that has
 been extracted from @scheme[hash] (by @scheme[hash-iterate-key] or
@@ -313,38 +311,38 @@ produced by @scheme[key-proc] does not yield a value through
 @racket[hash-ref], then the @exnraise[exn:fail:contract].
 
 Pairs of @scheme[prop] and @scheme[prop-val] (the number of arguments
-to @scheme[proxy-hash] must be odd) add proxy properties
-or override proxy-property values of @scheme[hash].}
+to @scheme[impersonate-hash] must be odd) add impersonator properties
+or override impersonator-property values of @scheme[hash].}
 
 
-@defthing[prop:proxy-of struct-type-property?]{
+@defthing[prop:impersonator-of struct-type-property?]{
 
 A @tech{structure type property} (see @secref["structprops"]) that
-supplies a procedure for extracting a proxied value from a structure
-that represents a proxy. The property is used for @racket[proxy-of]
+supplies a procedure for extracting an impersonated value from a structure
+that represents an impersonator. The property is used for @racket[impersonator-of]
 as well as @racket[equal?].
 
 The property value must be a procedure of one argument, which is a
 structure whose structure type has the property. The result can be
-@scheme[#f] to indicate the structure does not represent a proxy,
-otherwise the result is a value for which the original structure is a
-proxy (so the original structure is a @racket[proxy-of?] and it is
+@scheme[#f] to indicate the structure does not represent an impersonator,
+otherwise the result is a value for which the original structure is an
+impersonator (so the original structure is an @racket[impersonator-of?] and
 @racket[equal?] to the result value). The result value must have the
-same @racket[prop:proxy-of] and @racket[prop:equal+hash] property
+same @racket[prop:impersonator-of] and @racket[prop:equal+hash] property
 values as the original structure, and the property values must be
 inherited from the same structure type (which ensures some consistency
-between @racket[proxy-of?] and @racket[equal?]).}
+between @racket[impersonator-of?] and @racket[equal?]).}
 
 @; ------------------------------------------------------------
 @section{Chaperone Constructors}
 
 @defproc[(chaperone-procedure [proc procedure?]
                               [wrapper-proc procedure?]
-                              [prop proxy-property?]
+                              [prop impersonator-property?]
                               [prop-val any] ... ...)
          (and/c procedure? chaperone?)]{
 
-Like @racket[proxy-procedure], but for each value supplied to
+Like @racket[impersonate-procedure], but for each value supplied to
 @scheme[wrapper-proc], the corresponding result must be the same or a
 chaperone of (in the sense of @scheme[chaperone-of?])  the supplied
 value. The additional result, if any, that precedes the chaperoned
@@ -356,7 +354,7 @@ For applications that include keyword arguments, @scheme[wrapper-proc]
 must return an additional value before any other values but after the
 result-chaperoning procedure (if any). The additional value must be a
 list of chaperones of the keyword arguments that were supplied to the
-chaperoned procedure (i.e., not counting optional arguments that were
+chaperone procedure (i.e., not counting optional arguments that were
 not supplied). The arguments must be ordered according to the sorted
 order of the supplied arguments' keywords.}
 
@@ -366,18 +364,18 @@ order of the supplied arguments' keywords.}
                                             struct-type-property-accessor-procedure?
                                             (one-of/c struct-info))]
                            [redirect-proc procedure?] ... ...
-                           [prop proxy-property?]
+                           [prop impersonator-property?]
                            [prop-val any] ... ...)
           any/c]{
 
-Like @racket[proxy-struct], but with the following refinements:
+Like @racket[impersonate-struct], but with the following refinements:
 
 @itemlist[
 
  @item{With a structure-field accessor as @racket[orig-proc],
       @scheme[redirect-proc] must accept two arguments, @scheme[v] and
       the value @scheme[_field-v] that @scheme[orig-proc] produces for
-      @scheme[v]; it must return chaperone of @scheme[_field-v]. The
+      @scheme[v]; it must return a chaperone of @scheme[_field-v]. The
       corresponding field may be immutable.}
 
  @item{A property accessor can be supplied as @racket[orig-proc].  The
@@ -387,7 +385,7 @@ Like @racket[proxy-struct], but with the following refinements:
  @item{With structure-field mutator as @racket[orig-proc],
       @scheme[redirect-proc] must accept two arguments, @scheme[v] and
       the value @scheme[_field-v] supplied to the mutator; it must
-      return chaperone of @scheme[_field-v] to be propagated to
+      return a chaperone of @scheme[_field-v] to be propagated to
       @scheme[orig-proc] and @scheme[v].}
 
  @item{With @scheme[struct-info] as @racket[orig-proc], the
@@ -408,11 +406,11 @@ unchaperoned.}
 @defproc[(chaperone-vector [vec vector?]
                            [ref-proc (vector? exact-nonnegative-integer? any/c . -> . any/c)]
                            [set-proc (vector? exact-nonnegative-integer? any/c . -> . any/c)]
-                           [prop proxy-property?]
+                           [prop impersonator-property?]
                            [prop-val any] ... ...)
           (and/c vector? chaperone?)]{
 
-Like @racket[proxy-vector], but with support for mutable vectors. The
+Like @racket[impersonate-vector], but with support for immutable vectors. The
 @scheme[ref-proc] procedure must produce the same value or a chaperone
 of the original value, and @scheme[set-proc] must produce the value
 that is given or a chaperone of the value. The @scheme[set-proc] will
@@ -421,7 +419,7 @@ not be used if @scheme[vec] is immutable.}
 @defproc[(chaperone-box [bx box?]
                         [unbox-proc (box? any/c . -> . any/c)]
                         [set-proc (box? any/c . -> . any/c)]
-                        [prop proxy-property?]
+                        [prop impersonator-property?]
                         [prop-val any] ... ...)
           (and/c box? chaperone?)]{
 
@@ -439,11 +437,11 @@ the same value or a chaperone of the value that it is given.  The
                          [set-proc (hash? any/c any/c . -> . (values any/c any/c))]
                          [remove-proc (hash? any/c . -> . any/c)]
                          [key-proc (hash? any/c . -> . any/c)]
-                         [prop proxy-property?]
+                         [prop impersonator-property?]
                          [prop-val any] ... ...)
           (and/c hash? chaperone?)]{
 
-Like @racket[proxy-hash], but with constraints on the given functions
+Like @racket[impersonate-hash], but with constraints on the given functions
 and support for immutable hashes. The @scheme[ref-proc] procedure must
 return a found value or a chaperone of the value. The
 @scheme[set-proc] procedure must produce two values: the key that it
@@ -455,7 +453,7 @@ procedures must produce the given key or a chaperone of the key.}
                                 [struct-info-proc procedure?]
                                 [make-constructor-proc (procedure? . -> . procedure?)]
                                 [guard-proc procedure?]
-                                [prop proxy-property?]
+                                [prop impersonator-property?]
                                 [prop-val any] ... ...)
           (and/c struct-type? chaperone?)]{
 
@@ -486,12 +484,12 @@ each the same or a chaperone of the corresponding argument. The
 created of the chaperoned structure type.
 
 Pairs of @scheme[prop] and @scheme[prop-val] (the number of arguments
-to @scheme[chaperone-struct-type] must be even) add proxy properties
-or override proxy-property values of @scheme[struct-type].}
+to @scheme[chaperone-struct-type] must be even) add impersonator properties
+or override impersonator-property values of @scheme[struct-type].}
 
 @defproc[(chaperone-evt [evt evt?]
                         [proc (evt? . -> . (values evt? (any/c . -> . any/c)))]
-                        [prop proxy-property?]
+                        [prop impersonator-property?]
                         [prop-val any] ... ...)
           (and/c evt? chaperone?)]{
 
@@ -508,52 +506,52 @@ a selection. The latter procedure accepts the result of @racket[evt],
 and it must return a chaperone of that value.
 
 Pairs of @scheme[prop] and @scheme[prop-val] (the number of arguments
-to @scheme[chaperone-struct-type] must be even) add proxy properties
-or override proxy-property values of @scheme[evt].}
+to @scheme[chaperone-evt] must be even) add impersonator properties
+or override impersonator-property values of @scheme[evt].}
 
 @; ------------------------------------------------------------
-@section{Proxy Properties}
+@section{Impersonator Properties}
 
-@defproc[(make-proxy-property [name symbol?])
-         (values proxy-property?
+@defproc[(make-impersonator-property [name symbol?])
+         (values impersonator-property?
                  (-> any/c boolean?)
-                 (-> chaperone? any))]{
+                 (-> impersonator? any))]{
 
-Creates a new @tech{proxy property} and returns three values:
+Creates a new @tech{impersonator property} and returns three values:
 
 @itemize[
 
- @item{a @deftech{proxy property descriptor}, for use with
-       @scheme[chaperone-procedure], @scheme[chaperone-struct], and
-       other chaperone constructors;}
+ @item{an @deftech{impersonator property descriptor}, for use with
+       @scheme[impersonate-procedure], @scheme[chaperone-procedure], 
+       and other impersonator constructors;}
 
- @item{a @deftech{proxy property predicate} procedure, which takes
-       an arbitrary value and returns @scheme[#t] if the value is a
-       chaperone with a value for the property, @scheme[#f]
+ @item{an @deftech{impersonator property predicate} procedure, which takes
+       an arbitrary value and returns @scheme[#t] if the value is an
+       impersonator with a value for the property, @scheme[#f]
        otherwise;}
 
- @item{an @deftech{proxy property accessor} procedure, which
-       returns the value associated with a chaperone for the property;
-       if a value given to the accessor is not a chaperone or does not
-       have a value for the property (ie if the corresponding chaperone
+ @item{an @deftech{impersonator property accessor} procedure, which
+       returns the value associated with an impersonator for the property;
+       if a value given to the accessor is not an impersonator or does not
+       have a value for the property (i.e. if the corresponding impersonator
        property predicate returns @racket[#f]), the accessor raises
        @exnraise[exn:fail:contract].}
 
 ]}
 
-@defproc[(proxy-property? [v any/c]) boolean?]{
+@defproc[(impersonator-property? [v any/c]) boolean?]{
 
-Returns @scheme[#t] if @scheme[v] is a @tech{proxy property
+Returns @scheme[#t] if @scheme[v] is a @tech{impersonator property
 descriptor} value, @scheme[#f] otherwise.}
 
-@defproc[(proxy-property-accessor-procedure? [v any/c]) boolean?]{
+@defproc[(impersonator-property-accessor-procedure? [v any/c]) boolean?]{
 
 Returns @scheme[#t] if @scheme[v] is an accessor procedure produced
-by @scheme[make-proxy-property], @scheme[#f] otherwise.}
+by @scheme[make-impersonator-property], @scheme[#f] otherwise.}
 
 
-@defthing[proxy-prop:application-mark proxy-property?]{
+@defthing[impersonator-prop:application-mark impersonator-property?]{
 
-A @tech{proxy property} that is recognized by @racket[proxy-procedure]
+An @tech{impersonator property} that is recognized by @racket[impersonate-procedure]
 and @racket[chaperone-procedure].}
 
diff --git a/collects/scribblings/reference/contracts.scrbl b/collects/scribblings/reference/contracts.scrbl
index 40c8ae18a0..84aad56de7 100644
--- a/collects/scribblings/reference/contracts.scrbl
+++ b/collects/scribblings/reference/contracts.scrbl
@@ -246,7 +246,7 @@ is a chaperone contract, then the result will be a chaperone contract.
 
 When a higher-order @racket[vectorof] contract is applied to a vector, the result
 is not @racket[eq?] to the input.  The result will be a copy for immutable vectors
-and a @tech{chaperone} or @tech{proxy} of the input for mutable vectors.}
+and a @tech{chaperone} or @tech{impersonator} of the input for mutable vectors.}
 
 
 @defproc[(vector-immutableof [c contract?]) contract?]{
@@ -272,7 +272,7 @@ are chaperone contracts, then the result will be a chaperone contract.
 
 When a higher-order @racket[vector/c] contract is applied to a vector, the result
 is not @racket[eq?] to the input.  The result will be a copy for immutable vectors
-and a @tech{chaperone} or @tech{proxy} of the input for mutable vectors.}
+and a @tech{chaperone} or @tech{impersonator} of the input for mutable vectors.}
 
 
 @defproc[(vector-immutable/c [c contract?] ...) contract?]{
@@ -298,7 +298,7 @@ a chaperone contract, then the result will be a chaperone contract.
 
 When a higher-order @racket[box/c] contract is applied to a box, the result
 is not @racket[eq?] to the input.  The result will be a copy for immutable boxes
-and either a @tech{chaperone} or @tech{proxy} of the input for mutable boxes.}
+and either a @tech{chaperone} or @tech{impersonator} of the input for mutable boxes.}
 
 
 @defproc[(box-immutable/c [c contract?]) contract?]{
@@ -377,7 +377,7 @@ If the @racket[key] argument is a chaperone contract, then the resulting contrac
 can only be applied to @racket[equal?]-based hash tables.  When a higher-order
 @racket[hash/c] contract is applied to a hash table, the result is not @racket[eq?]
 to the input.  The result will be a copy for immutable hash tables, and either a
-@tech{chaperone} or @tech{proxy} of the input for mutable hash tables.
+@tech{chaperone} or @tech{impersonator} of the input for mutable hash tables.
 }
 
 
diff --git a/collects/scribblings/reference/unsafe.scrbl b/collects/scribblings/reference/unsafe.scrbl
index 285e6722b7..6002720727 100644
--- a/collects/scribblings/reference/unsafe.scrbl
+++ b/collects/scribblings/reference/unsafe.scrbl
@@ -194,8 +194,8 @@ Unsafe variants of @scheme[car], @scheme[cdr], @scheme[mcar],
 @deftogether[(
 @defproc[(unsafe-unbox [b box?]) fixnum?]
 @defproc[(unsafe-set-box! [b box?] [k fixnum?]) void?]
-@defproc[(unsafe-unbox* [v (and/c box? (not/c chaperone?))]) any/c]
-@defproc[(unsafe-set-box*! [v (and/c box? (not/c chaperone?))] [val any/c]) void?]
+@defproc[(unsafe-unbox* [v (and/c box? (not/c impersonator?))]) any/c]
+@defproc[(unsafe-set-box*! [v (and/c box? (not/c impersonator?))] [val any/c]) void?]
 )]{
 
 Unsafe versions of @scheme[unbox] and @scheme[set-box!].}
@@ -205,9 +205,9 @@ Unsafe versions of @scheme[unbox] and @scheme[set-box!].}
 @defproc[(unsafe-vector-length [v vector?]) fixnum?]
 @defproc[(unsafe-vector-ref [v vector?] [k fixnum?]) any/c]
 @defproc[(unsafe-vector-set! [v vector?] [k fixnum?] [val any/c]) void?]
-@defproc[(unsafe-vector*-length [v (and/c vector? (not/c chaperone?))]) fixnum?]
-@defproc[(unsafe-vector*-ref [v (and/c vector? (not/c chaperone?))] [k fixnum?]) any/c]
-@defproc[(unsafe-vector*-set! [v (and/c vector? (not/c chaperone?))] [k fixnum?] [val any/c]) void?]
+@defproc[(unsafe-vector*-length [v (and/c vector? (not/c impersonator?))]) fixnum?]
+@defproc[(unsafe-vector*-ref [v (and/c vector? (not/c impersonator?))] [k fixnum?]) any/c]
+@defproc[(unsafe-vector*-set! [v (and/c vector? (not/c impersonator?))] [k fixnum?] [val any/c]) void?]
 )]{
 
 Unsafe versions of @scheme[vector-length], @scheme[vector-ref], and
@@ -284,8 +284,8 @@ Unsafe versions of @scheme[u16vector-ref] and
 @deftogether[(
 @defproc[(unsafe-struct-ref [v any/c] [k fixnum?]) any/c]
 @defproc[(unsafe-struct-set! [v any/c] [k fixnum?] [val any/c]) void?]
-@defproc[(unsafe-struct*-ref [v (not/c chaperone?)] [k fixnum?]) any/c]
-@defproc[(unsafe-struct*-set! [v (not/c chaperone?)] [k fixnum?] [val any/c]) void?]
+@defproc[(unsafe-struct*-ref [v (not/c impersonator?)] [k fixnum?]) any/c]
+@defproc[(unsafe-struct*-set! [v (not/c impersonator?)] [k fixnum?] [val any/c]) void?]
 )]{
 
 Unsafe field access and update for an instance of a structure
diff --git a/collects/tests/racket/chaperone.rktl b/collects/tests/racket/chaperone.rktl
index babd5daa9a..11d632dca1 100644
--- a/collects/tests/racket/chaperone.rktl
+++ b/collects/tests/racket/chaperone.rktl
@@ -5,41 +5,41 @@
 
 ;; ----------------------------------------
 
-(define (chaperone-of?/proxy a b)
-  (test #t proxy-of? a b)
+(define (chaperone-of?/impersonator a b)
+  (test #t impersonator-of? a b)
   (chaperone-of? a b))
 
-(define (chaperone?/proxy a)
-  (test #t proxy? a)
+(define (chaperone?/impersonator a)
+  (test #t impersonator? a)
   (chaperone? a))
 
-(define-syntax-rule (as-chaperone-or-proxy ([orig proxy] ...) body ...)
+(define-syntax-rule (as-chaperone-or-impersonator ([orig impersonator] ...) body ...)
   (for-each (lambda (orig ...)
               body ...)
-            (list orig proxy) ...))
+            (list orig impersonator) ...))
 
 ;; ----------------------------------------
 
-(test #t chaperone-of?/proxy 10 10)
-(test #t chaperone-of?/proxy '(10) '(10))
-(test #t chaperone-of?/proxy '#(1 2 3) '#(1 2 3))
-(test #t chaperone-of?/proxy '#&(1 2 3) '#&(1 2 3))
+(test #t chaperone-of?/impersonator 10 10)
+(test #t chaperone-of?/impersonator '(10) '(10))
+(test #t chaperone-of?/impersonator '#(1 2 3) '#(1 2 3))
+(test #t chaperone-of?/impersonator '#&(1 2 3) '#&(1 2 3))
 
-(test #f chaperone-of?/proxy (make-string 1 #\x) (make-string 1 #\x))
-(test #t chaperone-of?/proxy 
+(test #f chaperone-of?/impersonator (make-string 1 #\x) (make-string 1 #\x))
+(test #t chaperone-of?/impersonator 
       (string->immutable-string (make-string 1 #\x))
       (string->immutable-string (make-string 1 #\x)))
 
-(define (either-chaperone-of?/proxy a b)
-  (or (chaperone-of?/proxy a b)
-      (chaperone-of?/proxy b a)))
-(test #f either-chaperone-of?/proxy 
+(define (either-chaperone-of?/impersonator a b)
+  (or (chaperone-of?/impersonator a b)
+      (chaperone-of?/impersonator b a)))
+(test #f either-chaperone-of?/impersonator 
       (string->immutable-string "x")
       (make-string 1 #\x))
-(test #f either-chaperone-of?/proxy 
+(test #f either-chaperone-of?/impersonator 
       '#(1 2 3)
       (vector 1 2 3))
-(test #f either-chaperone-of?/proxy 
+(test #f either-chaperone-of?/impersonator 
       '#&17
       (box 17))
 
@@ -50,19 +50,19 @@
   (define-struct q (u [w #:mutable]) #:transparent)
   (define-struct (q2 q) (v) #:transparent)
   (test #f chaperone-of? (make-o 1 2) (make-o 1 2))
-  (test #f proxy-of? (make-o 1 2) (make-o 1 2))
-  (test #t chaperone-of?/proxy (make-p 1 2) (make-p 1 2))
-  (test #f chaperone-of?/proxy (make-p 1 (box 2)) (make-p 1 (box 2)))
-  (test #t chaperone-of?/proxy (make-p2 1 2 3) (make-p2 1 2 3))
-  (test #f chaperone-of?/proxy (make-q 1 2) (make-q 1 2))
-  (test #f chaperone-of?/proxy (make-q2 1 2 3) (make-q2 1 2 3)))
+  (test #f impersonator-of? (make-o 1 2) (make-o 1 2))
+  (test #t chaperone-of?/impersonator (make-p 1 2) (make-p 1 2))
+  (test #f chaperone-of?/impersonator (make-p 1 (box 2)) (make-p 1 (box 2)))
+  (test #t chaperone-of?/impersonator (make-p2 1 2 3) (make-p2 1 2 3))
+  (test #f chaperone-of?/impersonator (make-q 1 2) (make-q 1 2))
+  (test #f chaperone-of?/impersonator (make-q2 1 2 3) (make-q2 1 2 3)))
 
 (let* ([p (lambda (x) x)]
-       [p1 (proxy-procedure p (lambda (y) y))]
+       [p1 (impersonate-procedure p (lambda (y) y))]
        [p2 (chaperone-procedure p1 (lambda (y) y))])
-  (test #t proxy-of? p2 p)
-  (test #t proxy-of? p2 p1)
-  (test #t proxy? p1)
+  (test #t impersonator-of? p2 p)
+  (test #t impersonator-of? p2 p1)
+  (test #t impersonator? p1)
   (test #f chaperone? p1)
   (test #t chaperone? p2)
   (test #f chaperone-of? p2 p)
@@ -70,18 +70,18 @@
 
 ;; ----------------------------------------
 
-(test #t chaperone?/proxy (chaperone-box (box 10) (lambda (b v) v) (lambda (b v) v)))
-(test #f chaperone?/proxy (proxy-box (box 10) (lambda (b v) v) (lambda (b v) v)))
+(test #t chaperone?/impersonator (chaperone-box (box 10) (lambda (b v) v) (lambda (b v) v)))
+(test #f chaperone?/impersonator (impersonate-box (box 10) (lambda (b v) v) (lambda (b v) v)))
 (test #t box? (chaperone-box (box 10) (lambda (b v) v) (lambda (b v) v)))
-(test #t box? (proxy-box (box 10) (lambda (b v) v) (lambda (b v) v)))
+(test #t box? (impersonate-box (box 10) (lambda (b v) v) (lambda (b v) v)))
 (test #t (lambda (x) (box? x)) (chaperone-box (box 10) (lambda (b v) v) (lambda (b v) v)))
-(test #t (lambda (x) (box? x)) (proxy-box (box 10) (lambda (b v) v) (lambda (b v) v)))
-(test #t chaperone?/proxy (chaperone-box (box-immutable 10) (lambda (b v) v) (lambda (b v) v)))
-(err/rt-test (proxy-box (box-immutable 10) (lambda (b v) v) (lambda (b v) v)))
+(test #t (lambda (x) (box? x)) (impersonate-box (box 10) (lambda (b v) v) (lambda (b v) v)))
+(test #t chaperone?/impersonator (chaperone-box (box-immutable 10) (lambda (b v) v) (lambda (b v) v)))
+(err/rt-test (impersonate-box (box-immutable 10) (lambda (b v) v) (lambda (b v) v)))
 
-(as-chaperone-or-proxy
- ([chaperone-box proxy-box]
-  [chaperone-of? proxy-of?])
+(as-chaperone-or-impersonator
+ ([chaperone-box impersonate-box]
+  [chaperone-of? impersonator-of?])
  (let* ([b (box 0)]
         [b2 (chaperone-box b
                            (lambda (b v) 
@@ -114,11 +114,11 @@
       (test #f unbox b2)
       (err/rt-test (set-box! b2 0)))))
 
-;; no proxy-of checks in a proxy:
+;; no impersonator-of checks in a impersonator:
 (let ([b (box 0)])
-  (let ([b2 (proxy-box b 
-                           (lambda (b v) #f)
-                           (lambda (b v) #f))])
+  (let ([b2 (impersonate-box b 
+                             (lambda (b v) #f)
+                             (lambda (b v) #f))])
     (test #f unbox b2)
     (test (void) set-box! b2 0)
     (test #f unbox b)
@@ -126,19 +126,19 @@
 
 ;; ----------------------------------------
 
-(test #t chaperone?/proxy (chaperone-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
+(test #t chaperone?/impersonator (chaperone-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
 (test #t vector? (chaperone-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
-(test #t vector? (proxy-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
+(test #t vector? (impersonate-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
 (test #t (lambda (x) (vector? x)) (chaperone-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
-(test #t (lambda (x) (vector? x)) (proxy-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
-(test #t chaperone?/proxy (chaperone-vector (vector-immutable 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
-(err/rt-test (proxy-vector (vector-immutable 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
+(test #t (lambda (x) (vector? x)) (impersonate-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
+(test #t chaperone?/impersonator (chaperone-vector (vector-immutable 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
+(err/rt-test (impersonate-vector (vector-immutable 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
 
 (test #(1 2 3) make-reader-graph (chaperone-vector (vector 1 2 3) (lambda (b i v) v) (lambda (b i v) v)))
 
-(as-chaperone-or-proxy
- ([chaperone-vector proxy-vector]
-  [chaperone-of? proxy-of?])
+(as-chaperone-or-impersonator
+ ([chaperone-vector impersonate-vector]
+  [chaperone-of? impersonator-of?])
  (let* ([b (vector 1 2 3)]
         [b2 (chaperone-vector b
                               (lambda (b i v) 
@@ -167,8 +167,8 @@
 ;; test chaperone-of checks in a chaperone:
 (let ([b (vector 0)])
   (let ([b2 (chaperone-vector b 
-                           (lambda (b i v) #f)
-                           (lambda (b i v) #f))])
+                              (lambda (b i v) #f)
+                              (lambda (b i v) #f))])
     (test 'ok 'bad-vector-ref
           (with-handlers ([exn:fail:contract? (lambda (exn) 'ok)])
             (vector-ref b2 0)))
@@ -176,11 +176,11 @@
     (test #f vector-ref b2 0)
     (err/rt-test (vector-set! b2 0 0))))
 
-;; no proxy-of checks in a proxy:
+;; no impersonator-of checks in a impersonator:
 (let ([b (vector 0)])
-  (let ([b2 (proxy-vector b 
-                           (lambda (b i v) #f)
-                           (lambda (b i v) #f))])
+  (let ([b2 (impersonate-vector b 
+                                (lambda (b i v) #f)
+                                (lambda (b i v) #f))])
     (test #f vector-ref b2 0)
     (test (void) vector-set! b2 0 #f)
     (test #f vector-ref b 0)
@@ -188,26 +188,26 @@
 
 ;; ----------------------------------------
 
-(test #t chaperone?/proxy (chaperone-procedure (lambda (x) x) (lambda (y) y)))
-(test #t proxy? (proxy-procedure (lambda (x) x) (lambda (y) y)))
+(test #t chaperone?/impersonator (chaperone-procedure (lambda (x) x) (lambda (y) y)))
+(test #t impersonator? (impersonate-procedure (lambda (x) x) (lambda (y) y)))
 (test #t procedure? (chaperone-procedure (lambda (x) x) (lambda (y) y)))
-(test #t procedure? (proxy-procedure (lambda (x) x) (lambda (y) y)))
+(test #t procedure? (impersonate-procedure (lambda (x) x) (lambda (y) y)))
 (test #t (lambda (x) (procedure? x)) (chaperone-procedure (lambda (x) x) (lambda (y) y)))
-(test #t (lambda (x) (procedure? x)) (proxy-procedure (lambda (x) x) (lambda (y) y)))
+(test #t (lambda (x) (procedure? x)) (impersonate-procedure (lambda (x) x) (lambda (y) y)))
 (err/rt-test (chaperone-procedure (lambda (x) x) (lambda (y z) y)))
-(err/rt-test (proxy-procedure (lambda (x) x) (lambda (y z) y)))
+(err/rt-test (impersonate-procedure (lambda (x) x) (lambda (y z) y)))
 (err/rt-test (chaperone-procedure (case-lambda [() 0] [(x) x]) (lambda (y) y)))
-(err/rt-test (proxy-procedure (case-lambda [() 0] [(x) x]) (lambda (y) y)))
+(err/rt-test (impersonate-procedure (case-lambda [() 0] [(x) x]) (lambda (y) y)))
 
-(test 88 (proxy-procedure (lambda (x) x) (lambda (y) 88)) 10)
+(test 88 (impersonate-procedure (lambda (x) x) (lambda (y) 88)) 10)
 (err/rt-test ((chaperone-procedure (lambda (x) x) (lambda (y) 88)) 10))
 
-(test 89 (proxy-procedure (lambda (x) x) (lambda (y) (values (lambda (z) 89) y))) 10)
+(test 89 (impersonate-procedure (lambda (x) x) (lambda (y) (values (lambda (z) 89) y))) 10)
 (err/rt-test ((chaperone-procedure (lambda (x) x) (lambda (y) (values (lambda (z) 89) y))) 10))
 
 ;; Single argument, no post filter:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x) (list x x))]
         [in #f]
         [f2 (chaperone-procedure 
@@ -221,8 +221,8 @@
    (test 111 values in)))
 
 ;; Multiple arguments, no post filter:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x y) (list x y))]
         [in #f]
         [f2 (chaperone-procedure 
@@ -236,8 +236,8 @@
    (test (vector 1110 1111) values in)))
 
 ;; Single argument, post filter on single value:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x) (list x x))]
         [in #f]
         [out #f]
@@ -257,8 +257,8 @@
    (test '(11 11) values out)))
 
 ;; Multiple arguments, post filter on multiple values:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x y z) (values y (list x z)))]
         [in #f]
         [out #f]
@@ -278,8 +278,8 @@
    (test (vector 'b '(a c)) values out)))
 
 ;; Optional keyword arguments:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x #:a [a 'a] #:b [b 'b]) (list x a b))]
         [in #f]
         [f2 (chaperone-procedure
@@ -305,8 +305,8 @@
    (test-values '(() (#:a #:b)) (lambda () (procedure-keywords f2)))))
 
 ;; Optional keyword arguments with result chaperone:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x #:a [a 'a] #:b [b 'b]) (list x a b))]
         [in #f]
         [out #f]
@@ -338,8 +338,8 @@
    (test-values '(() (#:a #:b)) (lambda () (procedure-keywords f2)))))
 
 ;; Required keyword arguments:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x #:a [a 'a] #:b b) (list x a b))]
         [in #f]
         [f2 (chaperone-procedure
@@ -365,8 +365,8 @@
    (test-values '((#:b) (#:a #:b)) (lambda () (procedure-keywords f2)))))
 
 ;; Required keyword arguments:
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let* ([f (lambda (x #:a [a 'a] #:b b) (list x a b))]
         [in #f]
         [out #f]
@@ -396,36 +396,36 @@
    (test-values '((#:b) (#:a #:b)) (lambda () (procedure-keywords f2)))))
 
 (err/rt-test ((chaperone-procedure (lambda (x) x) (lambda (y) (values y y))) 1))
-(err/rt-test ((proxy-procedure (lambda (x) x) (lambda (y) (values y y))) 1))
+(err/rt-test ((impersonate-procedure (lambda (x) x) (lambda (y) (values y y))) 1))
 (err/rt-test ((chaperone-procedure (lambda (x) x) (lambda (y) (values y y y))) 1))
-(err/rt-test ((proxy-procedure (lambda (x) x) (lambda (y) (values y y y))) 1))
+(err/rt-test ((impersonate-procedure (lambda (x) x) (lambda (y) (values y y y))) 1))
 
 ;; ----------------------------------------
 
 (define is-chaperone #t)
 (define is-not-chaperone #f)
 
-(as-chaperone-or-proxy
- ([chaperone-struct proxy-struct]
+(as-chaperone-or-impersonator
+ ([chaperone-struct impersonate-struct]
   [is-chaperone is-not-chaperone]
-  [chaperone?/proxy proxy?])
+  [chaperone?/impersonator impersonator?])
  (let ()
-   (define-values (prop:blue blue? blue-ref) (make-proxy-property 'blue))
+   (define-values (prop:blue blue? blue-ref) (make-impersonator-property 'blue))
    (define-values (prop:green green? green-ref) (make-struct-type-property 'green))
    (define-struct a ([x #:mutable] y))
    (define-struct (b a) ([z #:mutable]))
    (define-struct p (u) #:property prop:green 'green)
    (define-struct (q p) (v w))
-   (test #t chaperone?/proxy (chaperone-struct (make-a 1 2) a-x (lambda (a v) v)))
-   (test #t chaperone?/proxy (chaperone-struct (make-b 1 2 3) a-x (lambda (a v) v)))
+   (test #t chaperone?/impersonator (chaperone-struct (make-a 1 2) a-x (lambda (a v) v)))
+   (test #t chaperone?/impersonator (chaperone-struct (make-b 1 2 3) a-x (lambda (a v) v)))
    (when is-chaperone
-     (test #t chaperone?/proxy (chaperone-struct (make-p 1) green-ref (lambda (a v) v))))
-   (test #t chaperone?/proxy (chaperone-struct (make-a 1 2) a-x (lambda (a v) v) prop:blue 'blue))
+     (test #t chaperone?/impersonator (chaperone-struct (make-p 1) green-ref (lambda (a v) v))))
+   (test #t chaperone?/impersonator (chaperone-struct (make-a 1 2) a-x (lambda (a v) v) prop:blue 'blue))
    (when is-chaperone
-    (test #t chaperone?/proxy (chaperone-struct 
-                               (chaperone-struct (make-a 1 2) a-x (lambda (a v) v) prop:blue 'blue)
-                               a-x (lambda (a v) v)
-                               prop:blue 'blue)))
+     (test #t chaperone?/impersonator (chaperone-struct 
+                                       (chaperone-struct (make-a 1 2) a-x (lambda (a v) v) prop:blue 'blue)
+                                       a-x (lambda (a v) v)
+                                       prop:blue 'blue)))
    (err/rt-test (chaperone-struct (make-a 1 2) b-z (lambda (a v) v)))
    (err/rt-test (chaperone-struct (make-p 1) a-x (lambda (a v) v)))
    (err/rt-test (chaperone-struct (make-q 1 2 3) a-x (lambda (a v) v)))
@@ -438,43 +438,43 @@
                  (chaperone-struct (make-a 1 2) a-x (lambda (a v) v) prop:blue 'blue)
                  blue-ref (lambda (a v) v)))
    (when is-chaperone
-    (let* ([a1 (make-a 1 2)]
-           [get #f]
-           [set #f]
-           [a2 (chaperone-struct a1 a-y (lambda (an-a v) (set! get v) v)
-                                 set-a-x! (lambda (an-a v) (set! set v) v))]
-           [p1 (make-p 100)]
-           [p-get #f]
-           [p2 (chaperone-struct p1 green-ref (lambda (p v) (set! p-get v) v))]
-           [a3 (chaperone-struct a1 a-x (lambda (a y) y) prop:blue 8)])
-      (test 2 a-y a1)
-      (test #f values get)
-      (test #f values set)
-      (test 2 a-y a2)
-      (test 2 values get)
-      (test #f values set)
-      (test (void) set-a-x! a1 0)
-      (test 0 a-x a1)
-      (test 0 a-x a2)
-      (test 2 values get)
-      (test #f values set)
-      (test (void) set-a-x! a2 10)
-      (test 2 values get)
-      (test 10 values set)
-      (test 10 a-x a1)
-      (test 10 a-x a2)
-      (test 2 a-y a1)
-      (test 2 a-y a2)
-      (test #t green? p1)
-      (test #t green? p2)
-      (test 'green green-ref p1)
-      (test #f values p-get)
-      (test 'green green-ref p2)
-      (test 'green values p-get)
-      (test #f blue? a1)
-      (test #f blue? a2)
-      (test #t blue? a3)
-      (test 8 blue-ref a3)))
+     (let* ([a1 (make-a 1 2)]
+            [get #f]
+            [set #f]
+            [a2 (chaperone-struct a1 a-y (lambda (an-a v) (set! get v) v)
+                                  set-a-x! (lambda (an-a v) (set! set v) v))]
+            [p1 (make-p 100)]
+            [p-get #f]
+            [p2 (chaperone-struct p1 green-ref (lambda (p v) (set! p-get v) v))]
+            [a3 (chaperone-struct a1 a-x (lambda (a y) y) prop:blue 8)])
+       (test 2 a-y a1)
+       (test #f values get)
+       (test #f values set)
+       (test 2 a-y a2)
+       (test 2 values get)
+       (test #f values set)
+       (test (void) set-a-x! a1 0)
+       (test 0 a-x a1)
+       (test 0 a-x a2)
+       (test 2 values get)
+       (test #f values set)
+       (test (void) set-a-x! a2 10)
+       (test 2 values get)
+       (test 10 values set)
+       (test 10 a-x a1)
+       (test 10 a-x a2)
+       (test 2 a-y a1)
+       (test 2 a-y a2)
+       (test #t green? p1)
+       (test #t green? p2)
+       (test 'green green-ref p1)
+       (test #f values p-get)
+       (test 'green green-ref p2)
+       (test 'green values p-get)
+       (test #f blue? a1)
+       (test #f blue? a2)
+       (test #t blue? a3)
+       (test 8 blue-ref a3)))
    (let* ([a1 (make-b 1 2 3)]
           [get #f]
           [set #f]
@@ -550,10 +550,10 @@
 
 ;; ----------------------------------------
 
-(as-chaperone-or-proxy
- ([chaperone-struct proxy-struct])
- (as-chaperone-or-proxy
-  ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-struct impersonate-struct])
+ (as-chaperone-or-impersonator
+  ([chaperone-procedure impersonate-procedure])
   (let ()
     (define (test-sub linear? rev?)
       (define-struct a (x [y #:mutable]) #:property prop:procedure 0)  
@@ -607,7 +607,7 @@
 ;; ----------------------------------------
 
 (let ()
-  (define-values (prop:blue blue? blue-ref) (make-proxy-property 'blue))
+  (define-values (prop:blue blue? blue-ref) (make-impersonator-property 'blue))
   (let* ([v1 (vector 1 2 3)]
          [v2 (chaperone-vector v1 (lambda (vec i v) v) (lambda (vec i v) v)
                                prop:blue 89)]
@@ -641,7 +641,7 @@
                             (lambda (h k) (values k (lambda (h k v) v)))
                             (lambda (h k v) (values k v))
                             (lambda (h k) k) (lambda (h k) k))])
-     (test #t chaperone?/proxy h)
+     (test #t chaperone?/impersonator h)
      (test #t hash? h)
      (test #t (lambda (x) (hash? x)) h)))
  (list
@@ -651,11 +651,11 @@
 
 (for-each
  (lambda (make-hash)
-   (let ([h (proxy-hash (make-hash)
-                        (lambda (h k) (values k (lambda (h k v) v)))
-                        (lambda (h k v) (values k v))
-                        (lambda (h k) k) (lambda (h k) k))])
-     (test #t proxy? h)
+   (let ([h (impersonate-hash (make-hash)
+                              (lambda (h k) (values k (lambda (h k v) v)))
+                              (lambda (h k v) (values k v))
+                              (lambda (h k) k) (lambda (h k) k))])
+     (test #t impersonator? h)
      (test #t hash? h)
      (test #t (lambda (x) (hash? x)) h)))
  (list
@@ -665,14 +665,14 @@
 (for-each 
  (lambda (make-hash)
    (err/rt-test
-    (proxy-hash (make-hash) 
-                (lambda (h k) (values k (lambda (h k v) v)))
-                (lambda (h k v) (values k v))
-                (lambda (h k) k) (lambda (h k) k))))
+    (impersonator-hash (make-hash) 
+                       (lambda (h k) (values k (lambda (h k v) v)))
+                       (lambda (h k v) (values k v))
+                       (lambda (h k) k) (lambda (h k) k))))
  (list (lambda () #hash()) (lambda () #hasheq()) (lambda () #hasheqv())))
 
-(as-chaperone-or-proxy
- ([chaperone-hash proxy-hash])
+(as-chaperone-or-impersonator
+ ([chaperone-hash impersonate-hash])
  (for-each
   (lambda (make-hash)
     (let* ([h1 (make-hash)]
@@ -796,9 +796,9 @@
 
 ;; ----------------------------------------
 
-(as-chaperone-or-proxy
- ([chaperone-hash proxy-hash]
-  [chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-hash impersonate-hash]
+  [chaperone-procedure impersonate-procedure])
  (letrec ([wrap
            (lambda (v)
              (cond
@@ -830,11 +830,11 @@
 
 ;; ----------------------------------------
 
-;; Check broken key proxy:
+;; Check broken key impersonator:
 
 (let ([check
        (lambda (orig)
-         (let ([h (proxy-hash
+         (let ([h (impersonate-hash
                    orig
                    (λ (h k) 
                       (values 'bad1
@@ -930,8 +930,8 @@
 
 ;; ----------------------------------------
 
-(as-chaperone-or-proxy
- ([chaperone-procedure proxy-procedure])
+(as-chaperone-or-impersonator
+ ([chaperone-procedure impersonate-procedure])
  (let ()
    (define (check-param current-directory)
      (parameterize ([current-directory (current-directory)])
@@ -982,20 +982,20 @@
       (chaperone-procedure add1 void) 
       (chaperone-procedure add1 void))
 (test #t equal?
-      (proxy-procedure add1 void) 
+      (impersonate-procedure add1 void) 
       (chaperone-procedure add1 void))
 (test #t equal?
       (chaperone-procedure add1 void) 
-      (proxy-procedure add1 void))
+      (impersonate-procedure add1 void))
 
 ;; ----------------------------------------
 
 ;; evt chaperones
 
 (test #t evt? (chaperone-evt always-evt void))
-(test #t chaperone-of?/proxy (chaperone-evt always-evt void) always-evt)
+(test #t chaperone-of?/impersonator (chaperone-evt always-evt void) always-evt)
 (test #f chaperone-of? (chaperone-evt always-evt void) (chaperone-evt always-evt void))
-(test #t chaperone-of?/proxy (chaperone-evt (chaperone-evt always-evt void) void) always-evt)
+(test #t chaperone-of?/impersonator (chaperone-evt (chaperone-evt always-evt void) void) always-evt)
 (test always-evt sync (chaperone-evt always-evt (lambda (e) (values e values))))
 (test #f sync/timeout 0 (chaperone-evt never-evt (lambda (e) (values e (lambda (v) (error "bad"))))))
 
@@ -1050,7 +1050,7 @@
 ;; ----------------------------------------
 
 (let ()
-  (define (a-proxy-of v) (a-x v))
+  (define (a-impersonator-of v) (a-x v))
   (define a-equal+hash (list
                         (lambda (v1 v2 equal?)
                           (equal? (a-y v1) (a-y v2)))
@@ -1059,29 +1059,29 @@
                         (lambda (v2 hash)
                           (hash (a-y v2)))))
   (define-struct a (x y)
-    #:property prop:proxy-of a-proxy-of
+    #:property prop:impersonator-of a-impersonator-of
     #:property prop:equal+hash a-equal+hash)
   (define-struct (a-more a) (z))
-  (define-struct (a-new-proxy a) ()
-    #:property prop:proxy-of a-proxy-of)
+  (define-struct (a-new-impersonator a) ()
+    #:property prop:impersonator-of a-impersonator-of)
   (define-struct (a-new-equal a) ()
     #:property prop:equal+hash a-equal+hash)
 
   (let ([a1 (make-a #f 2)])
     (test #t equal? (make-a #f 2) a1)
     (test #t equal? (make-a-more #f 2 7) a1)
-    (test #t equal? (make-a-new-proxy #f 2) a1)
+    (test #t equal? (make-a-new-impersonator #f 2) a1)
     (test #f equal? (make-a-new-equal #f 2) a1)
     (test #f equal? (make-a #f 3) a1)
-    (test #f proxy-of? (make-a #f 2) a1)
-    (test #t proxy-of? (make-a a1 3) a1)
-    (test #t proxy-of? (make-a-more a1 3 8) a1)
+    (test #f impersonator-of? (make-a #f 2) a1)
+    (test #t impersonator-of? (make-a a1 3) a1)
+    (test #t impersonator-of? (make-a-more a1 3 8) a1)
     (test #f chaperone-of? (make-a a1 3) a1)
     (test #t equal? (make-a a1 3) a1)
     (test #t equal? (make-a-more a1 3 9) a1)
     (err/rt-test (equal? (make-a 0 1) (make-a 0 1)))
-    (err/rt-test (proxy-of? (make-a-new-proxy a1 1) a1))
-    (err/rt-test (proxy-of? (make-a-new-equal a1 1) a1))
+    (err/rt-test (impersonator-of? (make-a-new-impersonator a1 1) a1))
+    (err/rt-test (impersonator-of? (make-a-new-equal a1 1) a1))
     (err/rt-test (equal? (make-a-new-equal a1 1) a1))
     (void)))
 
@@ -1100,9 +1100,9 @@
   (define g1 (chaperone-procedure f1 wrapper))
   (define g2 (chaperone-procedure f2 wrapper))
   (define g3 (chaperone-procedure f2 wrapper))
-  (define h1 (proxy-procedure f1 wrapper))
-  (define h2 (proxy-procedure f2 wrapper))
-  (define h3 (proxy-procedure f2 wrapper))
+  (define h1 (impersonate-procedure f1 wrapper))
+  (define h2 (impersonate-procedure f2 wrapper))
+  (define h3 (impersonate-procedure f2 wrapper))
 
   (test #t chaperone-of? g1 f1)
   (test #t chaperone-of? g2 f2)
@@ -1114,10 +1114,10 @@
   (test #t equal? g3 f2)
   (test #t equal? g3 g2)
 
-  (test #t proxy-of? h1 f1)
-  (test #t proxy-of? h2 f2)
-  (test #t proxy-of? h3 f2)
-  (test #f proxy-of? h3 h2)
+  (test #t impersonator-of? h1 f1)
+  (test #t impersonator-of? h2 f2)
+  (test #t impersonator-of? h3 f2)
+  (test #f impersonator-of? h3 h2)
 
   (test #t equal? h1 f1)
   (test #t equal? h2 f2)
@@ -1132,20 +1132,20 @@
   (test #f equal? h1 f3)
   (test #f equal? h2 f1)
   (test #f equal? h3 f1))
-  
+
 ;; ----------------------------------------
 
 ;; A regression test mixing `procedure-rename',
-;; chaperones, and proxy properties:
+;; chaperones, and impersonator properties:
 (let ()
   (define (f #:key k) k)
   (define null-checker
     (make-keyword-procedure
      (λ (kwds kwd-vals . args) (apply values kwd-vals args))
      (λ args (apply values args))))
-  (define-values (proxy-prop:p p? p-ref) (make-proxy-property 'p))
+  (define-values (impersonator-prop:p p? p-ref) (make-impersonator-property 'p))
   (define new-f
-    (chaperone-procedure f null-checker proxy-prop:p #t))
+    (chaperone-procedure f null-checker impersonator-prop:p #t))
   
   (test #t procedure? (procedure-rename new-f 'g)))
 
@@ -1166,14 +1166,14 @@
                                  saved))
                (values (lambda (r) r)
                        a))
-             proxy-prop:application-mark
+             impersonator-prop:application-mark
              (cons 'z 12)))
   (define h (chaperone-procedure
              g
              (lambda (a)
                (values (lambda (r) r)
                        a))
-             proxy-prop:application-mark
+             impersonator-prop:application-mark
              (cons 'z 9)))
   (define i (chaperone-procedure
              f
@@ -1181,12 +1181,12 @@
                (set! saved (cons (continuation-mark-set-first #f 'z)
                                  saved))
                a)
-             proxy-prop:application-mark
+             impersonator-prop:application-mark
              (cons 'z 11)))
   (define j (chaperone-procedure
              i
              (lambda (a) a)
-             proxy-prop:application-mark
+             impersonator-prop:application-mark
              (cons 'z 12)))
   (test (list 12 '(12)) g 10)
   (test '(#f) values saved)
diff --git a/doc/release-notes/racket/HISTORY.txt b/doc/release-notes/racket/HISTORY.txt
index 94c134b52d..5cfa781544 100644
--- a/doc/release-notes/racket/HISTORY.txt
+++ b/doc/release-notes/racket/HISTORY.txt
@@ -1,3 +1,7 @@
+5.0.99.2
+proxy => impersonator
+
+5.0.99.1
 Internal: weak boxes are cleared before non-will-like
  finalizers; use late-weak boxes to get the old behavior
 
diff --git a/src/racket/include/mzwin.def b/src/racket/include/mzwin.def
index e197f8e9f2..52d64b2895 100644
--- a/src/racket/include/mzwin.def
+++ b/src/racket/include/mzwin.def
@@ -536,7 +536,7 @@ EXPORTS
  scheme_eqv
  scheme_equal
  scheme_chaperone_of
- scheme_proxy_of
+ scheme_impersonator_of
  scheme_equal_hash_key
  scheme_equal_hash_key2
  scheme_recur_equal_hash_key
diff --git a/src/racket/include/mzwin3m.def b/src/racket/include/mzwin3m.def
index ab853837bc..3b31068276 100644
--- a/src/racket/include/mzwin3m.def
+++ b/src/racket/include/mzwin3m.def
@@ -551,7 +551,7 @@ EXPORTS
  scheme_eqv
  scheme_equal
  scheme_chaperone_of
- scheme_proxy_of
+ scheme_impersonator_of
  scheme_hash_key
  scheme_equal_hash_key
  scheme_equal_hash_key2
diff --git a/src/racket/include/racket.exp b/src/racket/include/racket.exp
index 311522adab..241132e9de 100644
--- a/src/racket/include/racket.exp
+++ b/src/racket/include/racket.exp
@@ -553,7 +553,7 @@ scheme_eq
 scheme_eqv
 scheme_equal
 scheme_chaperone_of
-scheme_proxy_of
+scheme_impersonator_of
 scheme_equal_hash_key
 scheme_equal_hash_key2
 scheme_recur_equal_hash_key
diff --git a/src/racket/include/racket3m.exp b/src/racket/include/racket3m.exp
index 5fd06f4498..a5393f4eff 100644
--- a/src/racket/include/racket3m.exp
+++ b/src/racket/include/racket3m.exp
@@ -559,7 +559,7 @@ scheme_eq
 scheme_eqv
 scheme_equal
 scheme_chaperone_of
-scheme_proxy_of
+scheme_impersonator_of
 scheme_hash_key
 scheme_equal_hash_key
 scheme_equal_hash_key2
diff --git a/src/racket/src/bool.c b/src/racket/src/bool.c
index 9a3e021901..bedfde85cb 100644
--- a/src/racket/src/bool.c
+++ b/src/racket/src/bool.c
@@ -47,9 +47,9 @@ static Scheme_Object *eqv_prim (int argc, Scheme_Object *argv[]);
 static Scheme_Object *equal_prim (int argc, Scheme_Object *argv[]);
 static Scheme_Object *equalish_prim (int argc, Scheme_Object *argv[]);
 static Scheme_Object *chaperone_p (int argc, Scheme_Object *argv[]);
-static Scheme_Object *proxy_p (int argc, Scheme_Object *argv[]);
+static Scheme_Object *impersonator_p (int argc, Scheme_Object *argv[]);
 static Scheme_Object *chaperone_of (int argc, Scheme_Object *argv[]);
-static Scheme_Object *proxy_of (int argc, Scheme_Object *argv[]);
+static Scheme_Object *impersonator_of (int argc, Scheme_Object *argv[]);
 
 typedef struct Equal_Info {
   long depth; /* always odd, so it looks like a fixnum */
@@ -57,13 +57,13 @@ typedef struct Equal_Info {
   Scheme_Hash_Table *ht;
   Scheme_Object *recur;
   Scheme_Object *next, *next_next;
-  int for_chaperone; /* 2 => for proxy */
+  int for_chaperone; /* 2 => for impersonator */
 } Equal_Info;
 
 static int is_equal (Scheme_Object *obj1, Scheme_Object *obj2, Equal_Info *eql);
 static int vector_equal (Scheme_Object *vec1, Scheme_Object *vec2, Equal_Info *eql);
 static int struct_equal (Scheme_Object *s1, Scheme_Object *s2, Equal_Info *eql);
-static Scheme_Object *apply_proxy_of(int for_chaperone, Scheme_Object *procs, Scheme_Object *obj);
+static Scheme_Object *apply_impersonator_of(int for_chaperone, Scheme_Object *procs, Scheme_Object *obj);
 
 void scheme_init_true_false(void)
 {
@@ -109,15 +109,15 @@ void scheme_init_bool (Scheme_Env *env)
   SCHEME_PRIM_PROC_FLAGS(p) |= SCHEME_PRIM_IS_UNARY_INLINED;
   scheme_add_global_constant("chaperone?", p, env);
 
-  p = scheme_make_immed_prim(proxy_p, "proxy?", 1, 1);
+  p = scheme_make_immed_prim(impersonator_p, "impersonator?", 1, 1);
   SCHEME_PRIM_PROC_FLAGS(p) |= SCHEME_PRIM_IS_UNARY_INLINED;
-  scheme_add_global_constant("proxy?", p, env);
+  scheme_add_global_constant("impersonator?", p, env);
 
   scheme_add_global_constant("chaperone-of?",
                              scheme_make_prim_w_arity(chaperone_of, "chaperone-of?", 2, 2),
                              env);
-  scheme_add_global_constant("proxy-of?",
-                             scheme_make_prim_w_arity(proxy_of, "proxy-of?", 2, 2),
+  scheme_add_global_constant("impersonator-of?",
+                             scheme_make_prim_w_arity(impersonator_of, "impersonator-of?", 2, 2),
                              env);
 }
 
@@ -382,7 +382,7 @@ int is_equal (Scheme_Object *obj1, Scheme_Object *obj2, Equal_Info *eql)
     return 1;
   else if (eql->for_chaperone 
            && SCHEME_CHAPERONEP(obj1)
-           && (!(SCHEME_CHAPERONE_FLAGS((Scheme_Chaperone *)obj1) & SCHEME_CHAPERONE_IS_PROXY)
+           && (!(SCHEME_CHAPERONE_FLAGS((Scheme_Chaperone *)obj1) & SCHEME_CHAPERONE_IS_IMPERSONATOR)
                || (eql->for_chaperone > 1))) {
     obj1 = ((Scheme_Chaperone *)obj1)->prev;
     goto top;
@@ -475,19 +475,19 @@ int is_equal (Scheme_Object *obj1, Scheme_Object *obj2, Equal_Info *eql)
     if (eql->for_chaperone == 1)
       procs1 = NULL;
     else
-      procs1 = scheme_struct_type_property_ref(scheme_proxy_of_property, (Scheme_Object *)st1);
+      procs1 = scheme_struct_type_property_ref(scheme_impersonator_of_property, (Scheme_Object *)st1);
     if (procs1)
-      procs1 = apply_proxy_of(eql->for_chaperone, procs1, obj1);
+      procs1 = apply_impersonator_of(eql->for_chaperone, procs1, obj1);
     if (eql->for_chaperone)
       procs2 = NULL;
     else {
-      procs2 = scheme_struct_type_property_ref(scheme_proxy_of_property, (Scheme_Object *)st2);
+      procs2 = scheme_struct_type_property_ref(scheme_impersonator_of_property, (Scheme_Object *)st2);
       if (procs2)
-        procs2 = apply_proxy_of(eql->for_chaperone, procs2, obj2);
+        procs2 = apply_impersonator_of(eql->for_chaperone, procs2, obj2);
     }
 
     if (procs1 || procs2) {
-      /* proxy-of property trumps other forms of checking */
+      /* impersonator-of property trumps other forms of checking */
       if (procs1) obj1 = procs1;
       if (procs2) obj2 = procs2;
       goto top;
@@ -663,12 +663,12 @@ Scheme_Object * scheme_make_false (void)
 static Scheme_Object *chaperone_p(int argc, Scheme_Object *argv[])
 {
   return ((SCHEME_CHAPERONEP(argv[0]) 
-           && !(SCHEME_CHAPERONE_FLAGS(((Scheme_Chaperone *)argv[0])) & SCHEME_CHAPERONE_IS_PROXY))
+           && !(SCHEME_CHAPERONE_FLAGS(((Scheme_Chaperone *)argv[0])) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
           ? scheme_true 
           : scheme_false);
 }
 
-static Scheme_Object *proxy_p(int argc, Scheme_Object *argv[])
+static Scheme_Object *impersonator_p(int argc, Scheme_Object *argv[])
 {
   return (SCHEME_CHAPERONEP(argv[0]) ? scheme_true : scheme_false);
 }
@@ -678,9 +678,9 @@ static Scheme_Object *chaperone_of(int argc, Scheme_Object *argv[])
   return (scheme_chaperone_of(argv[0], argv[1]) ? scheme_true : scheme_false);
 }
 
-static Scheme_Object *proxy_of(int argc, Scheme_Object *argv[])
+static Scheme_Object *impersonator_of(int argc, Scheme_Object *argv[])
 {
-  return (scheme_proxy_of(argv[0], argv[1]) ? scheme_true : scheme_false);
+  return (scheme_impersonator_of(argv[0], argv[1]) ? scheme_true : scheme_false);
 }
 
 int scheme_chaperone_of(Scheme_Object *obj1, Scheme_Object *obj2)
@@ -698,7 +698,7 @@ int scheme_chaperone_of(Scheme_Object *obj1, Scheme_Object *obj2)
   return is_equal(obj1, obj2, &eql);
 }
 
-int scheme_proxy_of(Scheme_Object *obj1, Scheme_Object *obj2)
+int scheme_impersonator_of(Scheme_Object *obj1, Scheme_Object *obj2)
 {
   Equal_Info eql;
 
@@ -713,7 +713,7 @@ int scheme_proxy_of(Scheme_Object *obj1, Scheme_Object *obj2)
   return is_equal(obj1, obj2, &eql);
 }
 
-static Scheme_Object *apply_proxy_of(int for_chaperone, Scheme_Object *procs, Scheme_Object *obj)
+static Scheme_Object *apply_impersonator_of(int for_chaperone, Scheme_Object *procs, Scheme_Object *obj)
 {
   Scheme_Object *a[1], *v, *oprocs;
 
@@ -723,10 +723,10 @@ static Scheme_Object *apply_proxy_of(int for_chaperone, Scheme_Object *procs, Sc
   if (SCHEME_FALSEP(v))
     return NULL;
   
-  oprocs = scheme_struct_type_property_ref(scheme_proxy_of_property, v);  
+  oprocs = scheme_struct_type_property_ref(scheme_impersonator_of_property, v);  
   if (!oprocs || !SAME_OBJ(SCHEME_CAR(oprocs), SCHEME_CAR(procs)))
-    scheme_arg_mismatch((for_chaperone ? "proxy-of?" : "equal?"),
-                        "proxy-of property procedure returned a value with a different prop:proxy-of source: ",
+    scheme_arg_mismatch((for_chaperone ? "impersonator-of?" : "equal?"),
+                        "impersonator-of property procedure returned a value with a different prop:impersonator-of source: ",
                         v);
 
   procs = scheme_struct_type_property_ref(scheme_equal_property, obj);
@@ -734,8 +734,8 @@ static Scheme_Object *apply_proxy_of(int for_chaperone, Scheme_Object *procs, Sc
   if (procs || oprocs)
     if (!procs || !oprocs || !SAME_OBJ(SCHEME_VEC_ELS(oprocs)[0], 
                                        SCHEME_VEC_ELS(procs)[0]))
-      scheme_arg_mismatch((for_chaperone ? "proxy-of?" : "equal?"),
-                          "proxy-of property procedure returned a value with a different prop:equal+hash source: ",
+      scheme_arg_mismatch((for_chaperone ? "impersonator-of?" : "equal?"),
+                          "impersonator-of property procedure returned a value with a different prop:equal+hash source: ",
                           v);
 
   return v;
diff --git a/src/racket/src/cstartup.inc b/src/racket/src/cstartup.inc
index 60ee56f650..4ce4994632 100644
--- a/src/racket/src/cstartup.inc
+++ b/src/racket/src/cstartup.inc
@@ -1,663 +1,660 @@
   {
-    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,7,53,46,48,46,50,46,50,51,0,0,0,1,0,0,10,0,13,0,
-22,0,27,0,30,0,37,0,50,0,57,0,61,0,68,0,73,0,78,0,82,
-0,88,0,102,0,116,0,119,0,125,0,129,0,131,0,142,0,144,0,158,0,
-165,0,187,0,189,0,203,0,14,1,43,1,54,1,65,1,75,1,111,1,144,
-1,177,1,236,1,46,2,124,2,190,2,195,2,215,2,106,3,126,3,177,3,
-243,3,128,4,14,5,66,5,89,5,168,5,0,0,109,7,0,0,69,35,37,
-109,105,110,45,115,116,120,29,11,11,68,104,101,114,101,45,115,116,120,64,99,
-111,110,100,62,111,114,66,108,101,116,114,101,99,72,112,97,114,97,109,101,116,
-101,114,105,122,101,66,117,110,108,101,115,115,63,108,101,116,66,100,101,102,105,
-110,101,64,119,104,101,110,64,108,101,116,42,63,97,110,100,65,113,117,111,116,
-101,29,94,2,14,68,35,37,107,101,114,110,101,108,11,29,94,2,14,68,35,
-37,112,97,114,97,109,122,11,62,105,102,65,98,101,103,105,110,63,115,116,120,
-61,115,70,108,101,116,45,118,97,108,117,101,115,61,120,73,108,101,116,114,101,
-99,45,118,97,108,117,101,115,66,108,97,109,98,100,97,1,20,112,97,114,97,
-109,101,116,101,114,105,122,97,116,105,111,110,45,107,101,121,61,118,73,100,101,
-102,105,110,101,45,118,97,108,117,101,115,97,36,11,8,240,88,83,0,0,95,
-159,2,16,36,36,159,2,15,36,36,159,2,15,36,36,16,20,2,4,2,2,
-2,6,2,2,2,7,2,2,2,8,2,2,2,9,2,2,2,10,2,2,2,
-11,2,2,2,5,2,2,2,12,2,2,2,13,2,2,97,37,11,8,240,88,
-83,0,0,93,159,2,15,36,37,16,2,2,3,161,2,2,37,2,3,2,2,
-2,3,96,38,11,8,240,88,83,0,0,16,0,96,11,11,8,240,88,83,0,
-0,16,0,13,16,4,36,29,11,11,2,2,11,18,16,2,99,64,104,101,114,
-101,8,32,8,31,8,30,8,29,8,28,93,8,224,95,83,0,0,95,9,8,
-224,95,83,0,0,2,2,27,248,22,151,4,195,249,22,144,4,80,158,39,36,
-251,22,82,2,17,248,22,97,199,12,249,22,72,2,18,248,22,99,201,27,248,
-22,151,4,195,249,22,144,4,80,158,39,36,251,22,82,2,17,248,22,97,199,
-249,22,72,2,18,248,22,99,201,12,27,248,22,74,248,22,151,4,196,28,248,
+    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,8,53,46,48,46,57,57,46,50,51,0,0,0,1,0,0,10,0,13,
+0,22,0,35,0,40,0,44,0,49,0,54,0,58,0,65,0,68,0,75,0,
+82,0,88,0,102,0,116,0,119,0,125,0,129,0,131,0,142,0,144,0,158,
+0,165,0,187,0,189,0,203,0,14,1,43,1,54,1,65,1,75,1,111,1,
+144,1,177,1,236,1,46,2,124,2,190,2,195,2,215,2,106,3,126,3,177,
+3,243,3,128,4,14,5,66,5,89,5,168,5,0,0,109,7,0,0,69,35,
+37,109,105,110,45,115,116,120,29,11,11,68,104,101,114,101,45,115,116,120,72,
+112,97,114,97,109,101,116,101,114,105,122,101,64,108,101,116,42,63,108,101,116,
+64,119,104,101,110,64,99,111,110,100,63,97,110,100,66,108,101,116,114,101,99,
+62,111,114,66,100,101,102,105,110,101,66,117,110,108,101,115,115,65,113,117,111,
+116,101,29,94,2,14,68,35,37,107,101,114,110,101,108,11,29,94,2,14,68,
+35,37,112,97,114,97,109,122,11,62,105,102,65,98,101,103,105,110,63,115,116,
+120,61,115,70,108,101,116,45,118,97,108,117,101,115,61,120,73,108,101,116,114,
+101,99,45,118,97,108,117,101,115,66,108,97,109,98,100,97,1,20,112,97,114,
+97,109,101,116,101,114,105,122,97,116,105,111,110,45,107,101,121,61,118,73,100,
+101,102,105,110,101,45,118,97,108,117,101,115,97,36,11,8,240,88,83,0,0,
+95,159,2,16,36,36,159,2,15,36,36,159,2,15,36,36,16,20,2,11,2,
+2,2,5,2,2,2,6,2,2,2,7,2,2,2,4,2,2,2,8,2,2,
+2,9,2,2,2,10,2,2,2,12,2,2,2,13,2,2,97,37,11,8,240,
+88,83,0,0,93,159,2,15,36,37,16,2,2,3,161,2,2,37,2,3,2,
+2,2,3,96,38,11,8,240,88,83,0,0,16,0,96,11,11,8,240,88,83,
+0,0,16,0,13,16,4,36,29,11,11,2,2,11,18,16,2,99,64,104,101,
+114,101,8,32,8,31,8,30,8,29,8,28,93,8,224,95,83,0,0,95,9,
+8,224,95,83,0,0,2,2,27,248,22,151,4,195,249,22,144,4,80,158,39,
+36,251,22,82,2,17,248,22,97,199,12,249,22,72,2,18,248,22,99,201,27,
+248,22,151,4,195,249,22,144,4,80,158,39,36,251,22,82,2,17,248,22,97,
+199,249,22,72,2,18,248,22,99,201,12,27,248,22,74,248,22,151,4,196,28,
+248,22,80,193,20,15,159,37,36,37,28,248,22,80,248,22,74,194,248,22,73,
+193,249,22,144,4,80,158,39,36,251,22,82,2,17,248,22,73,199,249,22,72,
+2,9,248,22,74,201,11,18,16,2,101,10,8,32,8,31,8,30,8,29,8,
+28,16,4,11,11,2,19,3,1,8,101,110,118,49,51,51,48,49,16,4,11,
+11,2,20,3,1,8,101,110,118,49,51,51,48,50,93,8,224,96,83,0,0,
+95,9,8,224,96,83,0,0,2,2,27,248,22,74,248,22,151,4,196,28,248,
 22,80,193,20,15,159,37,36,37,28,248,22,80,248,22,74,194,248,22,73,193,
-249,22,144,4,80,158,39,36,251,22,82,2,17,248,22,73,199,249,22,72,2,
-13,248,22,74,201,11,18,16,2,101,10,8,32,8,31,8,30,8,29,8,28,
-16,4,11,11,2,19,3,1,8,101,110,118,49,51,51,48,49,16,4,11,11,
-2,20,3,1,8,101,110,118,49,51,51,48,50,93,8,224,96,83,0,0,95,
-9,8,224,96,83,0,0,2,2,27,248,22,74,248,22,151,4,196,28,248,22,
-80,193,20,15,159,37,36,37,28,248,22,80,248,22,74,194,248,22,73,193,249,
-22,144,4,80,158,39,36,250,22,82,2,21,248,22,82,249,22,82,248,22,82,
-2,22,248,22,73,201,251,22,82,2,17,2,22,2,22,249,22,72,2,5,248,
-22,74,204,18,16,2,101,11,8,32,8,31,8,30,8,29,8,28,16,4,11,
-11,2,19,3,1,8,101,110,118,49,51,51,48,52,16,4,11,11,2,20,3,
-1,8,101,110,118,49,51,51,48,53,93,8,224,97,83,0,0,95,9,8,224,
-97,83,0,0,2,2,248,22,151,4,193,27,248,22,151,4,194,249,22,72,248,
+249,22,144,4,80,158,39,36,250,22,82,2,21,248,22,82,249,22,82,248,22,
+82,2,22,248,22,73,201,251,22,82,2,17,2,22,2,22,249,22,72,2,11,
+248,22,74,204,18,16,2,101,11,8,32,8,31,8,30,8,29,8,28,16,4,
+11,11,2,19,3,1,8,101,110,118,49,51,51,48,52,16,4,11,11,2,20,
+3,1,8,101,110,118,49,51,51,48,53,93,8,224,97,83,0,0,95,9,8,
+224,97,83,0,0,2,2,248,22,151,4,193,27,248,22,151,4,194,249,22,72,
+248,22,82,248,22,73,196,248,22,74,195,27,248,22,74,248,22,151,4,23,197,
+1,249,22,144,4,80,158,39,36,28,248,22,57,248,22,145,4,248,22,73,23,
+198,2,27,249,22,2,32,0,89,162,8,44,37,43,9,222,33,40,248,22,151,
+4,248,22,97,23,200,2,250,22,82,2,23,248,22,82,249,22,82,248,22,82,
+248,22,73,23,204,2,250,22,83,2,24,249,22,2,22,73,23,204,2,248,22,
+99,23,206,2,249,22,72,248,22,73,23,202,1,249,22,2,22,97,23,200,1,
+250,22,83,2,21,249,22,2,32,0,89,162,8,44,37,47,9,222,33,41,248,
+22,151,4,248,22,73,201,248,22,74,198,27,248,22,151,4,194,249,22,72,248,
 22,82,248,22,73,196,248,22,74,195,27,248,22,74,248,22,151,4,23,197,1,
-249,22,144,4,80,158,39,36,28,248,22,57,248,22,145,4,248,22,73,23,198,
-2,27,249,22,2,32,0,89,162,8,44,37,43,9,222,33,40,248,22,151,4,
-248,22,97,23,200,2,250,22,82,2,23,248,22,82,249,22,82,248,22,82,248,
-22,73,23,204,2,250,22,83,2,24,249,22,2,22,73,23,204,2,248,22,99,
-23,206,2,249,22,72,248,22,73,23,202,1,249,22,2,22,97,23,200,1,250,
-22,83,2,21,249,22,2,32,0,89,162,8,44,37,47,9,222,33,41,248,22,
-151,4,248,22,73,201,248,22,74,198,27,248,22,151,4,194,249,22,72,248,22,
-82,248,22,73,196,248,22,74,195,27,248,22,74,248,22,151,4,23,197,1,249,
-22,144,4,80,158,39,36,250,22,83,2,23,249,22,2,32,0,89,162,8,44,
-37,47,9,222,33,43,248,22,151,4,248,22,73,201,248,22,74,198,27,248,22,
-74,248,22,151,4,196,27,248,22,151,4,248,22,73,195,249,22,144,4,80,158,
-40,36,28,248,22,80,195,250,22,83,2,21,9,248,22,74,199,250,22,82,2,
-9,248,22,82,248,22,73,199,250,22,83,2,12,248,22,74,201,248,22,74,202,
-27,248,22,74,248,22,151,4,23,197,1,27,249,22,1,22,86,249,22,2,22,
-151,4,248,22,151,4,248,22,73,199,249,22,144,4,80,158,40,36,251,22,82,
-1,22,119,105,116,104,45,99,111,110,116,105,110,117,97,116,105,111,110,45,109,
-97,114,107,2,25,250,22,83,1,23,101,120,116,101,110,100,45,112,97,114,97,
-109,101,116,101,114,105,122,97,116,105,111,110,21,95,1,27,99,111,110,116,105,
-110,117,97,116,105,111,110,45,109,97,114,107,45,115,101,116,45,102,105,114,115,
-116,11,2,25,201,250,22,83,2,21,9,248,22,74,203,27,248,22,74,248,22,
-151,4,196,28,248,22,80,193,20,15,159,37,36,37,249,22,144,4,80,158,39,
-36,27,248,22,151,4,248,22,73,197,28,249,22,128,9,62,61,62,248,22,145,
-4,248,22,97,196,250,22,82,2,21,248,22,82,249,22,82,21,93,2,26,248,
-22,73,199,250,22,83,2,4,249,22,82,2,26,249,22,82,248,22,106,203,2,
-26,248,22,74,202,251,22,82,2,17,28,249,22,128,9,248,22,145,4,248,22,
-73,200,64,101,108,115,101,10,248,22,73,197,250,22,83,2,21,9,248,22,74,
-200,249,22,72,2,4,248,22,74,202,100,8,32,8,31,8,30,8,29,8,28,
-16,4,11,11,2,19,3,1,8,101,110,118,49,51,51,50,55,16,4,11,11,
-2,20,3,1,8,101,110,118,49,51,51,50,56,93,8,224,98,83,0,0,18,
-16,2,158,94,10,64,118,111,105,100,8,48,95,9,8,224,98,83,0,0,2,
-2,27,248,22,74,248,22,151,4,196,249,22,144,4,80,158,39,36,28,248,22,
-57,248,22,145,4,248,22,73,197,250,22,82,2,27,248,22,82,248,22,73,199,
-248,22,97,198,27,248,22,145,4,248,22,73,197,250,22,82,2,27,248,22,82,
-248,22,73,197,250,22,83,2,24,248,22,74,199,248,22,74,202,159,36,20,105,
-159,36,16,1,11,16,0,83,158,42,20,103,145,2,1,2,1,2,2,11,11,
-11,10,36,80,158,36,36,20,105,159,36,16,0,16,0,16,1,2,3,37,16,
-0,36,16,0,36,11,11,39,36,11,11,11,16,10,2,4,2,5,2,6,2,
-7,2,8,2,9,2,10,2,11,2,12,2,13,16,10,11,11,11,11,11,11,
-11,11,11,11,16,10,2,4,2,5,2,6,2,7,2,8,2,9,2,10,2,
-11,2,12,2,13,36,46,37,11,11,11,16,0,16,0,16,0,36,36,11,11,
-11,11,16,0,16,0,16,0,36,36,16,11,16,5,2,3,20,15,159,36,36,
-36,36,20,105,159,36,16,0,16,1,33,33,10,16,5,2,8,89,162,8,44,
-37,53,9,223,0,33,34,36,20,105,159,36,16,1,2,3,16,0,11,16,5,
-2,11,89,162,8,44,37,53,9,223,0,33,35,36,20,105,159,36,16,1,2,
-3,16,0,11,16,5,2,13,89,162,8,44,37,53,9,223,0,33,36,36,20,
-105,159,36,16,1,2,3,16,1,33,37,11,16,5,2,5,89,162,8,44,37,
-56,9,223,0,33,38,36,20,105,159,36,16,1,2,3,16,1,33,39,11,16,
-5,2,9,89,162,8,44,37,58,9,223,0,33,42,36,20,105,159,36,16,1,
-2,3,16,0,11,16,5,2,6,89,162,8,44,37,53,9,223,0,33,44,36,
-20,105,159,36,16,1,2,3,16,0,11,16,5,2,12,89,162,8,44,37,54,
-9,223,0,33,45,36,20,105,159,36,16,1,2,3,16,0,11,16,5,2,7,
-89,162,8,44,37,55,9,223,0,33,46,36,20,105,159,36,16,1,2,3,16,
-0,11,16,5,2,4,89,162,8,44,37,58,9,223,0,33,47,36,20,105,159,
-36,16,1,2,3,16,1,33,49,11,16,5,2,10,89,162,8,44,37,54,9,
-223,0,33,50,36,20,105,159,36,16,1,2,3,16,0,11,16,0,94,2,15,
-2,16,93,2,15,9,9,36,0};
-    EVAL_ONE_SIZED_STR((char *)expr, 2024);
+249,22,144,4,80,158,39,36,250,22,83,2,23,249,22,2,32,0,89,162,8,
+44,37,47,9,222,33,43,248,22,151,4,248,22,73,201,248,22,74,198,27,248,
+22,74,248,22,151,4,196,27,248,22,151,4,248,22,73,195,249,22,144,4,80,
+158,40,36,28,248,22,80,195,250,22,83,2,21,9,248,22,74,199,250,22,82,
+2,6,248,22,82,248,22,73,199,250,22,83,2,5,248,22,74,201,248,22,74,
+202,27,248,22,74,248,22,151,4,23,197,1,27,249,22,1,22,86,249,22,2,
+22,151,4,248,22,151,4,248,22,73,199,249,22,144,4,80,158,40,36,251,22,
+82,1,22,119,105,116,104,45,99,111,110,116,105,110,117,97,116,105,111,110,45,
+109,97,114,107,2,25,250,22,83,1,23,101,120,116,101,110,100,45,112,97,114,
+97,109,101,116,101,114,105,122,97,116,105,111,110,21,95,1,27,99,111,110,116,
+105,110,117,97,116,105,111,110,45,109,97,114,107,45,115,101,116,45,102,105,114,
+115,116,11,2,25,201,250,22,83,2,21,9,248,22,74,203,27,248,22,74,248,
+22,151,4,196,28,248,22,80,193,20,15,159,37,36,37,249,22,144,4,80,158,
+39,36,27,248,22,151,4,248,22,73,197,28,249,22,128,9,62,61,62,248,22,
+145,4,248,22,97,196,250,22,82,2,21,248,22,82,249,22,82,21,93,2,26,
+248,22,73,199,250,22,83,2,8,249,22,82,2,26,249,22,82,248,22,106,203,
+2,26,248,22,74,202,251,22,82,2,17,28,249,22,128,9,248,22,145,4,248,
+22,73,200,64,101,108,115,101,10,248,22,73,197,250,22,83,2,21,9,248,22,
+74,200,249,22,72,2,8,248,22,74,202,100,8,32,8,31,8,30,8,29,8,
+28,16,4,11,11,2,19,3,1,8,101,110,118,49,51,51,50,55,16,4,11,
+11,2,20,3,1,8,101,110,118,49,51,51,50,56,93,8,224,98,83,0,0,
+18,16,2,158,94,10,64,118,111,105,100,8,48,95,9,8,224,98,83,0,0,
+2,2,27,248,22,74,248,22,151,4,196,249,22,144,4,80,158,39,36,28,248,
+22,57,248,22,145,4,248,22,73,197,250,22,82,2,27,248,22,82,248,22,73,
+199,248,22,97,198,27,248,22,145,4,248,22,73,197,250,22,82,2,27,248,22,
+82,248,22,73,197,250,22,83,2,24,248,22,74,199,248,22,74,202,159,36,20,
+105,159,36,16,1,11,16,0,83,158,42,20,103,145,2,1,2,1,2,2,11,
+11,11,10,36,80,158,36,36,20,105,159,36,16,0,16,0,16,1,2,3,37,
+16,0,36,16,0,36,11,11,39,36,11,11,11,16,10,2,4,2,5,2,6,
+2,7,2,8,2,9,2,10,2,11,2,12,2,13,16,10,11,11,11,11,11,
+11,11,11,11,11,16,10,2,4,2,5,2,6,2,7,2,8,2,9,2,10,
+2,11,2,12,2,13,36,46,37,11,11,11,16,0,16,0,16,0,36,36,11,
+11,11,11,16,0,16,0,16,0,36,36,16,11,16,5,2,3,20,15,159,36,
+36,36,36,20,105,159,36,16,0,16,1,33,33,10,16,5,2,13,89,162,8,
+44,37,53,9,223,0,33,34,36,20,105,159,36,16,1,2,3,16,0,11,16,
+5,2,7,89,162,8,44,37,53,9,223,0,33,35,36,20,105,159,36,16,1,
+2,3,16,0,11,16,5,2,9,89,162,8,44,37,53,9,223,0,33,36,36,
+20,105,159,36,16,1,2,3,16,1,33,37,11,16,5,2,11,89,162,8,44,
+37,56,9,223,0,33,38,36,20,105,159,36,16,1,2,3,16,1,33,39,11,
+16,5,2,6,89,162,8,44,37,58,9,223,0,33,42,36,20,105,159,36,16,
+1,2,3,16,0,11,16,5,2,10,89,162,8,44,37,53,9,223,0,33,44,
+36,20,105,159,36,16,1,2,3,16,0,11,16,5,2,5,89,162,8,44,37,
+54,9,223,0,33,45,36,20,105,159,36,16,1,2,3,16,0,11,16,5,2,
+4,89,162,8,44,37,55,9,223,0,33,46,36,20,105,159,36,16,1,2,3,
+16,0,11,16,5,2,8,89,162,8,44,37,58,9,223,0,33,47,36,20,105,
+159,36,16,1,2,3,16,1,33,49,11,16,5,2,12,89,162,8,44,37,54,
+9,223,0,33,50,36,20,105,159,36,16,1,2,3,16,0,11,16,0,94,2,
+15,2,16,93,2,15,9,9,36,0};
+    EVAL_ONE_SIZED_STR((char *)expr, 2025);
   }
   {
-    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,7,53,46,48,46,50,46,50,72,0,0,0,1,0,0,8,0,21,0,
-26,0,43,0,58,0,76,0,92,0,106,0,128,0,146,0,166,0,182,0,200,
-0,231,0,4,1,26,1,40,1,46,1,60,1,65,1,75,1,83,1,111,1,
-143,1,188,1,194,1,201,1,207,1,252,1,20,2,59,2,61,2,227,2,61,
-4,102,4,175,5,5,6,91,6,190,6,18,7,31,7,164,7,137,8,221,8,
-234,8,255,9,202,10,215,10,107,15,122,16,11,17,252,17,234,18,241,18,249,
-18,1,19,126,19,140,19,125,21,226,23,248,23,8,24,212,25,59,26,73,26,
-155,27,92,29,101,29,110,29,136,29,9,30,0,0,28,33,0,0,67,35,37,
-117,116,105,108,115,72,112,97,116,104,45,115,116,114,105,110,103,63,64,98,115,
-98,115,76,110,111,114,109,97,108,45,99,97,115,101,45,112,97,116,104,74,45,
-99,104,101,99,107,45,114,101,108,112,97,116,104,77,45,99,104,101,99,107,45,
-99,111,108,108,101,99,116,105,111,110,75,99,111,108,108,101,99,116,105,111,110,
-45,112,97,116,104,73,102,105,110,100,45,99,111,108,45,102,105,108,101,1,20,
-99,111,108,108,101,99,116,105,111,110,45,102,105,108,101,45,112,97,116,104,77,
-99,104,101,99,107,45,115,117,102,102,105,120,45,99,97,108,108,79,112,97,116,
-104,45,114,101,112,108,97,99,101,45,115,117,102,102,105,120,75,112,97,116,104,
-45,97,100,100,45,115,117,102,102,105,120,77,108,111,97,100,47,117,115,101,45,
-99,111,109,112,105,108,101,100,1,29,102,105,110,100,45,108,105,98,114,97,114,
-121,45,99,111,108,108,101,99,116,105,111,110,45,112,97,116,104,115,1,27,112,
-97,116,104,45,108,105,115,116,45,115,116,114,105,110,103,45,62,112,97,116,104,
-45,108,105,115,116,1,20,102,105,110,100,45,101,120,101,99,117,116,97,98,108,
-101,45,112,97,116,104,73,101,109,98,101,100,100,101,100,45,108,111,97,100,65,
-113,117,111,116,101,29,94,2,18,68,35,37,112,97,114,97,109,122,11,64,108,
-111,111,112,69,101,120,101,99,45,102,105,108,101,67,119,105,110,100,111,119,115,
-6,25,25,112,97,116,104,32,111,114,32,118,97,108,105,100,45,112,97,116,104,
-32,115,116,114,105,110,103,6,29,29,126,97,58,32,105,110,118,97,108,105,100,
-32,114,101,108,97,116,105,118,101,32,112,97,116,104,58,32,126,115,6,42,42,
-126,97,58,32,99,111,108,108,101,99,116,105,111,110,32,110,111,116,32,102,111,
-117,110,100,58,32,126,115,32,105,110,32,97,110,121,32,111,102,58,32,126,115,
-65,99,108,111,111,112,6,4,4,46,114,107,116,6,3,3,46,115,115,6,42,
-42,112,97,116,104,32,40,102,111,114,32,97,110,121,32,115,121,115,116,101,109,
-41,32,111,114,32,118,97,108,105,100,45,112,97,116,104,32,115,116,114,105,110,
-103,6,21,21,115,116,114,105,110,103,32,111,114,32,98,121,116,101,32,115,116,
-114,105,110,103,6,36,36,99,97,110,110,111,116,32,97,100,100,32,97,32,115,
-117,102,102,105,120,32,116,111,32,97,32,114,111,111,116,32,112,97,116,104,58,
-32,5,0,27,20,14,159,80,159,37,52,38,250,80,159,40,53,38,249,22,27,
-11,80,159,42,52,38,22,171,13,10,248,22,180,5,23,196,2,28,248,22,177,
-6,23,194,2,12,87,94,248,22,136,9,23,194,1,27,20,14,159,80,159,38,
-52,38,250,80,159,41,53,38,249,22,27,11,80,159,43,52,38,22,171,13,10,
-248,22,180,5,23,197,2,28,248,22,177,6,23,194,2,12,87,94,248,22,136,
-9,23,194,1,27,20,14,159,80,159,39,52,38,250,80,159,42,53,38,249,22,
-27,11,80,159,44,52,38,22,171,13,10,248,22,180,5,23,198,2,28,248,22,
-177,6,23,194,2,12,87,94,248,22,136,9,23,194,1,248,80,159,40,55,37,
-197,28,248,22,80,23,195,2,9,27,248,22,73,23,196,2,27,28,248,22,157,
-14,23,195,2,23,194,1,28,248,22,156,14,23,195,2,249,22,158,14,23,196,
-1,250,80,158,43,50,248,22,173,14,2,21,11,10,250,80,158,41,50,248,22,
-173,14,2,21,23,197,1,10,28,23,193,2,249,22,72,248,22,160,14,249,22,
-158,14,23,198,1,247,22,174,14,27,248,22,74,23,200,1,28,248,22,80,23,
-194,2,9,27,248,22,73,23,195,2,27,28,248,22,157,14,23,195,2,23,194,
-1,28,248,22,156,14,23,195,2,249,22,158,14,23,196,1,250,80,158,48,50,
-248,22,173,14,2,21,11,10,250,80,158,46,50,248,22,173,14,2,21,23,197,
-1,10,28,23,193,2,249,22,72,248,22,160,14,249,22,158,14,23,198,1,247,
-22,174,14,248,80,159,46,54,37,248,22,74,23,199,1,87,94,23,193,1,248,
-80,159,44,54,37,248,22,74,23,197,1,87,94,23,193,1,27,248,22,74,23,
-198,1,28,248,22,80,23,194,2,9,27,248,22,73,23,195,2,27,28,248,22,
+    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,8,53,46,48,46,57,57,46,50,72,0,0,0,1,0,0,8,0,21,
+0,26,0,43,0,58,0,76,0,92,0,106,0,128,0,146,0,166,0,182,0,
+200,0,231,0,4,1,26,1,40,1,46,1,60,1,65,1,75,1,83,1,111,
+1,143,1,188,1,194,1,201,1,207,1,252,1,20,2,59,2,61,2,227,2,
+61,4,102,4,175,5,5,6,91,6,190,6,18,7,31,7,164,7,137,8,221,
+8,234,8,255,9,202,10,215,10,107,15,122,16,11,17,252,17,234,18,241,18,
+249,18,1,19,126,19,140,19,125,21,226,23,248,23,8,24,212,25,59,26,73,
+26,155,27,92,29,101,29,110,29,136,29,9,30,0,0,28,33,0,0,67,35,
+37,117,116,105,108,115,72,112,97,116,104,45,115,116,114,105,110,103,63,64,98,
+115,98,115,76,110,111,114,109,97,108,45,99,97,115,101,45,112,97,116,104,74,
+45,99,104,101,99,107,45,114,101,108,112,97,116,104,77,45,99,104,101,99,107,
+45,99,111,108,108,101,99,116,105,111,110,75,99,111,108,108,101,99,116,105,111,
+110,45,112,97,116,104,73,102,105,110,100,45,99,111,108,45,102,105,108,101,1,
+20,99,111,108,108,101,99,116,105,111,110,45,102,105,108,101,45,112,97,116,104,
+77,99,104,101,99,107,45,115,117,102,102,105,120,45,99,97,108,108,79,112,97,
+116,104,45,114,101,112,108,97,99,101,45,115,117,102,102,105,120,75,112,97,116,
+104,45,97,100,100,45,115,117,102,102,105,120,77,108,111,97,100,47,117,115,101,
+45,99,111,109,112,105,108,101,100,1,29,102,105,110,100,45,108,105,98,114,97,
+114,121,45,99,111,108,108,101,99,116,105,111,110,45,112,97,116,104,115,1,27,
+112,97,116,104,45,108,105,115,116,45,115,116,114,105,110,103,45,62,112,97,116,
+104,45,108,105,115,116,1,20,102,105,110,100,45,101,120,101,99,117,116,97,98,
+108,101,45,112,97,116,104,73,101,109,98,101,100,100,101,100,45,108,111,97,100,
+65,113,117,111,116,101,29,94,2,18,68,35,37,112,97,114,97,109,122,11,64,
+108,111,111,112,69,101,120,101,99,45,102,105,108,101,67,119,105,110,100,111,119,
+115,6,25,25,112,97,116,104,32,111,114,32,118,97,108,105,100,45,112,97,116,
+104,32,115,116,114,105,110,103,6,29,29,126,97,58,32,105,110,118,97,108,105,
+100,32,114,101,108,97,116,105,118,101,32,112,97,116,104,58,32,126,115,6,42,
+42,126,97,58,32,99,111,108,108,101,99,116,105,111,110,32,110,111,116,32,102,
+111,117,110,100,58,32,126,115,32,105,110,32,97,110,121,32,111,102,58,32,126,
+115,65,99,108,111,111,112,6,4,4,46,114,107,116,6,3,3,46,115,115,6,
+42,42,112,97,116,104,32,40,102,111,114,32,97,110,121,32,115,121,115,116,101,
+109,41,32,111,114,32,118,97,108,105,100,45,112,97,116,104,32,115,116,114,105,
+110,103,6,21,21,115,116,114,105,110,103,32,111,114,32,98,121,116,101,32,115,
+116,114,105,110,103,6,36,36,99,97,110,110,111,116,32,97,100,100,32,97,32,
+115,117,102,102,105,120,32,116,111,32,97,32,114,111,111,116,32,112,97,116,104,
+58,32,5,0,27,20,14,159,80,159,37,52,38,250,80,159,40,53,38,249,22,
+27,11,80,159,42,52,38,22,171,13,10,248,22,180,5,23,196,2,28,248,22,
+177,6,23,194,2,12,87,94,248,22,136,9,23,194,1,27,20,14,159,80,159,
+38,52,38,250,80,159,41,53,38,249,22,27,11,80,159,43,52,38,22,171,13,
+10,248,22,180,5,23,197,2,28,248,22,177,6,23,194,2,12,87,94,248,22,
+136,9,23,194,1,27,20,14,159,80,159,39,52,38,250,80,159,42,53,38,249,
+22,27,11,80,159,44,52,38,22,171,13,10,248,22,180,5,23,198,2,28,248,
+22,177,6,23,194,2,12,87,94,248,22,136,9,23,194,1,248,80,159,40,55,
+37,197,28,248,22,80,23,195,2,9,27,248,22,73,23,196,2,27,28,248,22,
 157,14,23,195,2,23,194,1,28,248,22,156,14,23,195,2,249,22,158,14,23,
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+205,2,23,196,1,11,28,23,193,2,192,87,94,23,193,1,27,28,248,22,133,
+14,23,196,2,27,249,22,151,14,23,198,2,23,204,2,28,28,248,22,146,14,
+193,10,248,22,145,14,193,192,11,11,28,23,193,2,192,87,94,23,193,1,28,
+23,202,2,11,27,248,22,159,14,23,200,2,28,249,22,130,9,23,195,2,23,
+201,1,11,28,248,22,155,14,23,194,2,250,2,61,23,205,1,23,206,1,249,
+22,151,14,23,201,1,23,198,1,250,2,61,204,205,195,192,28,23,193,2,91,
+159,39,11,90,161,39,36,11,248,22,154,14,23,199,2,87,95,23,195,1,23,
+194,1,27,28,23,198,2,251,2,62,23,198,2,23,203,2,23,201,2,23,202,
+2,11,28,23,193,2,192,87,94,23,193,1,27,28,248,22,133,14,195,27,249,
+22,151,14,197,200,28,28,248,22,146,14,193,10,248,22,145,14,193,192,11,11,
+28,192,192,28,198,11,251,2,62,198,203,201,202,194,32,65,89,162,8,44,40,
+8,31,2,20,222,33,66,28,248,22,80,23,197,2,11,27,248,22,158,14,248,
+22,73,23,199,2,27,249,22,151,14,23,196,1,23,197,2,28,248,22,145,14,
+23,194,2,250,2,61,198,199,195,87,94,23,193,1,27,248,22,74,23,200,1,
+28,248,22,80,23,194,2,11,27,248,22,158,14,248,22,73,23,196,2,27,249,
+22,151,14,23,196,1,23,200,2,28,248,22,145,14,23,194,2,250,2,61,201,
+202,195,87,94,23,193,1,27,248,22,74,23,197,1,28,248,22,80,23,194,2,
+11,27,248,22,158,14,248,22,73,23,196,2,27,249,22,151,14,23,196,1,23,
+203,2,28,248,22,145,14,23,194,2,250,2,61,204,205,195,87,94,23,193,1,
+27,248,22,74,23,197,1,28,248,22,80,23,194,2,11,27,248,22,158,14,248,
+22,73,23,196,2,27,249,22,151,14,23,196,1,23,206,2,28,248,22,145,14,
+23,194,2,250,2,61,23,15,23,16,195,87,94,23,193,1,27,248,22,74,23,
+197,1,28,248,22,80,23,194,2,11,27,248,22,158,14,248,22,73,23,196,2,
+27,249,22,151,14,23,196,1,23,209,2,28,248,22,145,14,23,194,2,250,2,
+61,23,18,23,19,195,87,94,23,193,1,27,248,22,74,23,197,1,28,248,22,
+80,23,194,2,11,27,248,22,158,14,248,22,73,195,27,249,22,151,14,23,196,
+1,23,19,28,248,22,145,14,193,250,2,61,23,21,23,22,195,251,2,65,23,
+21,23,22,23,23,248,22,74,199,87,95,28,28,248,22,133,14,23,195,2,10,
+28,248,22,182,6,23,195,2,28,248,22,155,14,23,195,2,10,248,22,156,14,
+23,195,2,11,12,250,22,164,9,2,16,6,25,25,112,97,116,104,32,111,114,
+32,115,116,114,105,110,103,32,40,115,97,110,115,32,110,117,108,41,23,197,2,
+28,28,23,195,2,28,28,248,22,133,14,23,196,2,10,28,248,22,182,6,23,
+196,2,28,248,22,155,14,23,196,2,10,248,22,156,14,23,196,2,11,248,22,
+155,14,23,196,2,11,10,12,250,22,164,9,2,16,6,29,29,35,102,32,111,
+114,32,114,101,108,97,116,105,118,101,32,112,97,116,104,32,111,114,32,115,116,
+114,105,110,103,23,198,2,28,28,248,22,155,14,23,195,2,91,159,39,11,90,
+161,39,36,11,248,22,154,14,23,198,2,249,22,128,9,194,68,114,101,108,97,
+116,105,118,101,11,27,248,22,138,8,6,4,4,80,65,84,72,27,28,23,194,
+2,27,249,80,159,41,49,38,23,197,1,9,28,249,22,128,9,247,22,140,8,
+2,22,249,22,72,248,22,142,14,5,1,46,194,192,87,94,23,194,1,9,28,
 248,22,80,23,194,2,11,27,248,22,158,14,248,22,73,23,196,2,27,249,22,
 151,14,23,196,1,23,200,2,28,248,22,145,14,23,194,2,250,2,61,201,202,
 195,87,94,23,193,1,27,248,22,74,23,197,1,28,248,22,80,23,194,2,11,
 27,248,22,158,14,248,22,73,23,196,2,27,249,22,151,14,23,196,1,23,203,
 2,28,248,22,145,14,23,194,2,250,2,61,204,205,195,87,94,23,193,1,27,
 248,22,74,23,197,1,28,248,22,80,23,194,2,11,27,248,22,158,14,248,22,
-73,23,196,2,27,249,22,151,14,23,196,1,23,206,2,28,248,22,145,14,23,
-194,2,250,2,61,23,15,23,16,195,87,94,23,193,1,27,248,22,74,23,197,
-1,28,248,22,80,23,194,2,11,27,248,22,158,14,248,22,73,23,196,2,27,
-249,22,151,14,23,196,1,23,209,2,28,248,22,145,14,23,194,2,250,2,61,
-23,18,23,19,195,87,94,23,193,1,27,248,22,74,23,197,1,28,248,22,80,
-23,194,2,11,27,248,22,158,14,248,22,73,195,27,249,22,151,14,23,196,1,
-23,19,28,248,22,145,14,193,250,2,61,23,21,23,22,195,251,2,65,23,21,
-23,22,23,23,248,22,74,199,87,95,28,28,248,22,133,14,23,195,2,10,28,
-248,22,182,6,23,195,2,28,248,22,155,14,23,195,2,10,248,22,156,14,23,
-195,2,11,12,250,22,164,9,2,16,6,25,25,112,97,116,104,32,111,114,32,
-115,116,114,105,110,103,32,40,115,97,110,115,32,110,117,108,41,23,197,2,28,
-28,23,195,2,28,28,248,22,133,14,23,196,2,10,28,248,22,182,6,23,196,
-2,28,248,22,155,14,23,196,2,10,248,22,156,14,23,196,2,11,248,22,155,
-14,23,196,2,11,10,12,250,22,164,9,2,16,6,29,29,35,102,32,111,114,
-32,114,101,108,97,116,105,118,101,32,112,97,116,104,32,111,114,32,115,116,114,
-105,110,103,23,198,2,28,28,248,22,155,14,23,195,2,91,159,39,11,90,161,
-39,36,11,248,22,154,14,23,198,2,249,22,128,9,194,68,114,101,108,97,116,
-105,118,101,11,27,248,22,138,8,6,4,4,80,65,84,72,27,28,23,194,2,
-27,249,80,159,41,49,38,23,197,1,9,28,249,22,128,9,247,22,140,8,2,
-22,249,22,72,248,22,142,14,5,1,46,194,192,87,94,23,194,1,9,28,248,
-22,80,23,194,2,11,27,248,22,158,14,248,22,73,23,196,2,27,249,22,151,
-14,23,196,1,23,200,2,28,248,22,145,14,23,194,2,250,2,61,201,202,195,
-87,94,23,193,1,27,248,22,74,23,197,1,28,248,22,80,23,194,2,11,27,
-248,22,158,14,248,22,73,23,196,2,27,249,22,151,14,23,196,1,23,203,2,
-28,248,22,145,14,23,194,2,250,2,61,204,205,195,87,94,23,193,1,27,248,
-22,74,23,197,1,28,248,22,80,23,194,2,11,27,248,22,158,14,248,22,73,
-195,27,249,22,151,14,23,196,1,205,28,248,22,145,14,193,250,2,61,23,15,
-23,16,195,251,2,65,23,15,23,16,23,17,248,22,74,199,27,248,22,158,14,
-23,196,1,28,248,22,145,14,193,250,2,61,198,199,195,11,250,80,159,39,50,
-37,196,197,11,250,80,159,39,50,37,196,11,11,87,94,249,22,173,6,247,22,
-145,5,195,248,22,135,6,249,22,188,3,36,249,22,172,3,197,198,27,28,23,
-197,2,87,95,23,196,1,23,195,1,23,197,1,87,94,23,197,1,27,248,22,
-173,14,2,21,27,249,80,159,41,50,37,23,196,1,11,27,248,22,191,3,23,
-199,1,27,28,23,194,2,23,194,1,87,94,23,194,1,36,27,248,22,191,3,
-23,202,1,27,28,23,194,2,23,194,1,87,94,23,194,1,36,249,22,176,5,
-23,199,1,83,158,40,20,100,95,89,162,8,44,36,48,9,224,4,2,33,70,
-23,195,1,23,197,1,27,248,22,161,5,23,195,1,248,80,159,39,55,37,193,
+73,195,27,249,22,151,14,23,196,1,205,28,248,22,145,14,193,250,2,61,23,
+15,23,16,195,251,2,65,23,15,23,16,23,17,248,22,74,199,27,248,22,158,
+14,23,196,1,28,248,22,145,14,193,250,2,61,198,199,195,11,250,80,159,39,
+50,37,196,197,11,250,80,159,39,50,37,196,11,11,87,94,249,22,173,6,247,
+22,145,5,195,248,22,135,6,249,22,188,3,36,249,22,172,3,197,198,27,28,
+23,197,2,87,95,23,196,1,23,195,1,23,197,1,87,94,23,197,1,27,248,
+22,173,14,2,21,27,249,80,159,41,50,37,23,196,1,11,27,248,22,191,3,
+23,199,1,27,28,23,194,2,23,194,1,87,94,23,194,1,36,27,248,22,191,
+3,23,202,1,27,28,23,194,2,23,194,1,87,94,23,194,1,36,249,22,176,
+5,23,199,1,83,158,40,20,100,95,89,162,8,44,36,48,9,224,4,2,33,
+70,23,195,1,23,197,1,27,248,22,161,5,23,195,1,248,80,159,39,55,37,
+193,159,36,20,105,159,36,16,1,11,16,0,83,158,42,20,103,145,2,1,2,
+1,29,11,11,11,11,11,10,43,80,158,36,36,20,105,159,38,16,18,2,2,
+2,3,2,4,2,5,2,6,2,7,2,8,2,9,2,10,2,11,2,12,2,
+13,2,14,2,15,2,16,2,17,30,2,19,1,20,112,97,114,97,109,101,116,
+101,114,105,122,97,116,105,111,110,45,107,101,121,4,30,2,19,1,23,101,120,
+116,101,110,100,45,112,97,114,97,109,101,116,101,114,105,122,97,116,105,111,110,
+3,16,0,16,0,36,16,0,36,16,4,2,6,2,5,2,3,2,10,40,11,
+11,39,36,11,11,11,16,12,2,9,2,7,2,17,2,8,2,16,2,14,2,
+13,2,4,2,12,2,15,2,11,2,2,16,12,11,11,11,11,11,11,11,11,
+11,11,11,11,16,12,2,9,2,7,2,17,2,8,2,16,2,14,2,13,2,
+4,2,12,2,15,2,11,2,2,48,48,37,11,11,11,16,0,16,0,16,0,
+36,36,11,11,11,11,16,0,16,0,16,0,36,36,16,0,16,18,83,158,36,
+16,2,89,162,8,44,37,51,2,20,223,0,33,33,80,159,36,55,37,83,158,
+36,16,2,89,162,8,44,37,56,2,20,223,0,33,34,80,159,36,54,37,83,
+158,36,16,2,32,0,89,162,44,37,45,2,2,222,33,35,80,159,36,36,37,
+83,158,36,16,2,249,22,184,6,7,92,7,92,80,159,36,37,37,83,158,36,
+16,2,89,162,44,37,54,2,4,223,0,33,36,80,159,36,38,37,83,158,36,
+16,2,32,0,89,162,8,44,38,50,2,5,222,33,37,80,159,36,39,37,83,
+158,36,16,2,32,0,89,162,8,44,39,51,2,6,222,33,39,80,159,36,40,
+37,83,158,36,16,2,32,0,89,162,8,45,38,54,2,7,222,33,43,80,159,
+36,41,37,83,158,36,16,2,32,0,89,162,45,39,53,2,9,222,33,47,80,
+159,36,43,37,83,158,36,16,2,32,0,89,162,44,41,59,2,8,222,33,50,
+80,159,36,42,37,83,158,36,16,2,32,0,89,162,44,39,50,2,10,222,33,
+51,80,159,36,44,37,83,158,36,16,2,32,0,89,162,44,38,53,2,11,222,
+33,52,80,159,36,45,37,83,158,36,16,2,32,0,89,162,44,38,54,2,12,
+222,33,53,80,159,36,46,37,83,158,36,16,2,32,0,89,162,44,37,44,2,
+13,222,33,54,80,159,36,47,37,83,158,36,16,2,83,158,39,20,99,96,2,
+14,89,162,44,36,44,9,223,0,33,55,89,162,44,37,45,9,223,0,33,56,
+89,162,44,38,55,9,223,0,33,57,80,159,36,48,37,83,158,36,16,2,27,
+248,22,180,14,248,22,132,8,27,28,249,22,128,9,247,22,140,8,2,22,6,
+1,1,59,6,1,1,58,250,22,166,7,6,14,14,40,91,94,126,97,93,42,
+41,126,97,40,46,42,41,23,196,2,23,196,1,89,162,8,44,38,8,32,2,
+15,223,0,33,60,80,159,36,49,37,83,158,36,16,2,83,158,39,20,99,96,
+2,16,89,162,8,44,39,8,24,9,223,0,33,67,89,162,44,38,47,9,223,
+0,33,68,89,162,44,37,46,9,223,0,33,69,80,159,36,50,37,83,158,36,
+16,2,89,162,8,44,39,54,2,17,223,0,33,71,80,159,36,51,37,94,29,
+94,2,18,68,35,37,107,101,114,110,101,108,11,29,94,2,18,69,35,37,109,
+105,110,45,115,116,120,11,9,9,9,36,0};
+    EVAL_ONE_SIZED_STR((char *)expr, 8642);
+  }
+  {
+    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,8,53,46,48,46,57,57,46,50,9,0,0,0,1,0,0,10,0,16,
+0,29,0,44,0,58,0,72,0,86,0,128,0,0,0,57,1,0,0,69,35,
+37,98,117,105,108,116,105,110,65,113,117,111,116,101,29,94,2,2,67,35,37,
+117,116,105,108,115,11,29,94,2,2,69,35,37,110,101,116,119,111,114,107,11,
+29,94,2,2,68,35,37,112,97,114,97,109,122,11,29,94,2,2,68,35,37,
+101,120,112,111,98,115,11,29,94,2,2,68,35,37,107,101,114,110,101,108,11,
+97,36,11,8,240,237,83,0,0,98,159,2,3,36,36,159,2,4,36,36,159,
+2,5,36,36,159,2,6,36,36,159,2,7,36,36,159,2,7,36,36,16,0,
 159,36,20,105,159,36,16,1,11,16,0,83,158,42,20,103,145,2,1,2,1,
-29,11,11,11,11,11,10,43,80,158,36,36,20,105,159,38,16,18,2,2,2,
-3,2,4,2,5,2,6,2,7,2,8,2,9,2,10,2,11,2,12,2,13,
-2,14,2,15,2,16,2,17,30,2,19,1,20,112,97,114,97,109,101,116,101,
-114,105,122,97,116,105,111,110,45,107,101,121,4,30,2,19,1,23,101,120,116,
-101,110,100,45,112,97,114,97,109,101,116,101,114,105,122,97,116,105,111,110,3,
-16,0,16,0,36,16,0,36,16,4,2,6,2,5,2,3,2,10,40,11,11,
-39,36,11,11,11,16,12,2,9,2,7,2,17,2,8,2,16,2,14,2,13,
-2,4,2,12,2,15,2,11,2,2,16,12,11,11,11,11,11,11,11,11,11,
-11,11,11,16,12,2,9,2,7,2,17,2,8,2,16,2,14,2,13,2,4,
-2,12,2,15,2,11,2,2,48,48,37,11,11,11,16,0,16,0,16,0,36,
-36,11,11,11,11,16,0,16,0,16,0,36,36,16,0,16,18,83,158,36,16,
-2,89,162,8,44,37,51,2,20,223,0,33,33,80,159,36,55,37,83,158,36,
-16,2,89,162,8,44,37,56,2,20,223,0,33,34,80,159,36,54,37,83,158,
-36,16,2,32,0,89,162,44,37,45,2,2,222,33,35,80,159,36,36,37,83,
-158,36,16,2,249,22,184,6,7,92,7,92,80,159,36,37,37,83,158,36,16,
-2,89,162,44,37,54,2,4,223,0,33,36,80,159,36,38,37,83,158,36,16,
-2,32,0,89,162,8,44,38,50,2,5,222,33,37,80,159,36,39,37,83,158,
-36,16,2,32,0,89,162,8,44,39,51,2,6,222,33,39,80,159,36,40,37,
-83,158,36,16,2,32,0,89,162,8,45,38,54,2,7,222,33,43,80,159,36,
-41,37,83,158,36,16,2,32,0,89,162,45,39,53,2,9,222,33,47,80,159,
-36,43,37,83,158,36,16,2,32,0,89,162,44,41,59,2,8,222,33,50,80,
-159,36,42,37,83,158,36,16,2,32,0,89,162,44,39,50,2,10,222,33,51,
-80,159,36,44,37,83,158,36,16,2,32,0,89,162,44,38,53,2,11,222,33,
-52,80,159,36,45,37,83,158,36,16,2,32,0,89,162,44,38,54,2,12,222,
-33,53,80,159,36,46,37,83,158,36,16,2,32,0,89,162,44,37,44,2,13,
-222,33,54,80,159,36,47,37,83,158,36,16,2,83,158,39,20,99,96,2,14,
-89,162,44,36,44,9,223,0,33,55,89,162,44,37,45,9,223,0,33,56,89,
-162,44,38,55,9,223,0,33,57,80,159,36,48,37,83,158,36,16,2,27,248,
-22,180,14,248,22,132,8,27,28,249,22,128,9,247,22,140,8,2,22,6,1,
-1,59,6,1,1,58,250,22,166,7,6,14,14,40,91,94,126,97,93,42,41,
-126,97,40,46,42,41,23,196,2,23,196,1,89,162,8,44,38,8,32,2,15,
-223,0,33,60,80,159,36,49,37,83,158,36,16,2,83,158,39,20,99,96,2,
-16,89,162,8,44,39,8,24,9,223,0,33,67,89,162,44,38,47,9,223,0,
-33,68,89,162,44,37,46,9,223,0,33,69,80,159,36,50,37,83,158,36,16,
-2,89,162,8,44,39,54,2,17,223,0,33,71,80,159,36,51,37,94,29,94,
-2,18,68,35,37,107,101,114,110,101,108,11,29,94,2,18,69,35,37,109,105,
-110,45,115,116,120,11,9,9,9,36,0};
-    EVAL_ONE_SIZED_STR((char *)expr, 8641);
+29,11,11,11,11,11,18,96,11,44,44,44,36,80,158,36,36,20,105,159,36,
+16,0,16,0,16,0,36,16,0,36,16,0,36,11,11,39,36,11,11,11,16,
+0,16,0,16,0,36,36,37,11,11,11,16,0,16,0,16,0,36,36,11,11,
+11,11,16,0,16,0,16,0,36,36,16,0,16,0,102,2,7,2,6,29,94,
+2,2,69,35,37,102,111,114,101,105,103,110,11,29,94,2,2,68,35,37,117,
+110,115,97,102,101,11,29,94,2,2,69,35,37,102,108,102,120,110,117,109,11,
+2,5,2,4,2,3,29,94,2,2,67,35,37,112,108,97,99,101,11,29,94,
+2,2,69,35,37,102,117,116,117,114,101,115,11,9,9,9,36,0};
+    EVAL_ONE_SIZED_STR((char *)expr, 353);
   }
   {
-    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,7,53,46,48,46,50,46,50,9,0,0,0,1,0,0,10,0,16,0,
-29,0,44,0,58,0,72,0,86,0,128,0,0,0,57,1,0,0,69,35,37,
-98,117,105,108,116,105,110,65,113,117,111,116,101,29,94,2,2,67,35,37,117,
-116,105,108,115,11,29,94,2,2,69,35,37,110,101,116,119,111,114,107,11,29,
-94,2,2,68,35,37,112,97,114,97,109,122,11,29,94,2,2,68,35,37,101,
-120,112,111,98,115,11,29,94,2,2,68,35,37,107,101,114,110,101,108,11,97,
-36,11,8,240,237,83,0,0,98,159,2,3,36,36,159,2,4,36,36,159,2,
-5,36,36,159,2,6,36,36,159,2,7,36,36,159,2,7,36,36,16,0,159,
-36,20,105,159,36,16,1,11,16,0,83,158,42,20,103,145,2,1,2,1,29,
-11,11,11,11,11,18,96,11,44,44,44,36,80,158,36,36,20,105,159,36,16,
-0,16,0,16,0,36,16,0,36,16,0,36,11,11,39,36,11,11,11,16,0,
-16,0,16,0,36,36,37,11,11,11,16,0,16,0,16,0,36,36,11,11,11,
-11,16,0,16,0,16,0,36,36,16,0,16,0,102,2,7,2,6,29,94,2,
-2,69,35,37,102,111,114,101,105,103,110,11,29,94,2,2,68,35,37,117,110,
-115,97,102,101,11,29,94,2,2,69,35,37,102,108,102,120,110,117,109,11,2,
-5,2,4,2,3,29,94,2,2,67,35,37,112,108,97,99,101,11,29,94,2,
-2,69,35,37,102,117,116,117,114,101,115,11,9,9,9,36,0};
-    EVAL_ONE_SIZED_STR((char *)expr, 352);
-  }
-  {
-    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,7,53,46,48,46,50,46,50,74,0,0,0,1,0,0,7,0,18,0,
-45,0,51,0,64,0,73,0,80,0,102,0,124,0,150,0,162,0,180,0,200,
-0,212,0,228,0,251,0,7,1,38,1,45,1,50,1,55,1,60,1,65,1,
-70,1,79,1,84,1,88,1,94,1,101,1,107,1,115,1,124,1,145,1,166,
-1,196,1,226,1,27,2,84,2,132,2,180,2,110,8,129,8,142,8,44,9,
-57,9,243,10,81,13,204,13,210,13,224,13,237,13,79,15,92,15,211,15,224,
-15,66,17,79,17,198,17,225,17,238,17,251,17,93,19,106,19,225,19,238,19,
-101,20,109,20,196,20,198,20,11,21,57,29,109,29,132,29,0,0,38,32,0,
-0,66,35,37,98,111,111,116,70,100,108,108,45,115,117,102,102,105,120,1,25,
-100,101,102,97,117,108,116,45,108,111,97,100,47,117,115,101,45,99,111,109,112,
-105,108,101,100,65,113,117,111,116,101,29,94,2,4,67,35,37,117,116,105,108,
-115,11,68,35,37,112,97,114,97,109,122,29,94,2,4,2,6,11,1,20,112,
-97,114,97,109,101,116,101,114,105,122,97,116,105,111,110,45,107,101,121,1,20,
-100,101,102,97,117,108,116,45,114,101,97,100,101,114,45,103,117,97,114,100,1,
-24,45,109,111,100,117,108,101,45,104,97,115,104,45,116,97,98,108,101,45,116,
-97,98,108,101,71,45,112,97,116,104,45,99,97,99,104,101,77,45,108,111,97,
-100,105,110,103,45,102,105,108,101,110,97,109,101,79,45,108,111,97,100,105,110,
-103,45,112,114,111,109,112,116,45,116,97,103,71,45,112,114,101,118,45,114,101,
-108,116,111,75,45,112,114,101,118,45,114,101,108,116,111,45,100,105,114,1,21,
-115,112,108,105,116,45,114,101,108,97,116,105,118,101,45,115,116,114,105,110,103,
-71,111,114,105,103,45,112,97,114,97,109,122,1,29,115,116,97,110,100,97,114,
-100,45,109,111,100,117,108,101,45,110,97,109,101,45,114,101,115,111,108,118,101,
-114,29,94,2,4,2,6,11,64,98,111,111,116,64,115,101,97,108,64,115,97,
-109,101,5,3,46,122,111,5,3,46,122,111,6,6,6,110,97,116,105,118,101,
-64,108,111,111,112,63,108,105,98,6,3,3,46,115,115,6,4,4,46,114,107,
-116,5,4,46,114,107,116,67,105,103,110,111,114,101,100,249,22,14,195,80,159,
-38,46,38,250,22,151,14,23,197,1,23,199,1,249,80,159,43,39,38,23,198,
-1,2,23,250,22,151,14,23,197,1,23,199,1,249,80,159,43,39,38,23,198,
-1,2,24,252,22,151,14,23,199,1,23,201,1,2,25,247,22,141,8,249,80,
-159,45,39,38,23,200,1,80,159,45,36,38,252,22,151,14,23,199,1,23,201,
-1,2,25,247,22,141,8,249,80,159,45,39,38,23,200,1,80,159,45,36,38,
-27,252,22,151,14,23,200,1,23,202,1,2,25,247,22,141,8,249,80,159,46,
-39,38,23,201,1,80,159,46,36,38,27,250,22,168,14,196,11,32,0,89,162,
-8,44,36,41,9,222,11,28,192,249,22,72,195,194,11,27,252,22,151,14,23,
-200,1,23,202,1,2,25,247,22,141,8,249,80,159,46,39,38,23,201,1,80,
-159,46,36,38,27,250,22,168,14,196,11,32,0,89,162,8,44,36,41,9,222,
-11,28,192,249,22,72,195,194,11,27,250,22,151,14,23,198,1,23,200,1,249,
-80,159,44,39,38,23,199,1,2,23,27,250,22,168,14,196,11,32,0,89,162,
-8,44,36,41,9,222,11,28,192,249,22,72,195,194,11,27,250,22,151,14,23,
-198,1,23,200,1,249,80,159,44,39,38,23,199,1,2,24,27,250,22,168,14,
-196,11,32,0,89,162,8,44,36,41,9,222,11,28,192,249,22,72,195,194,11,
-87,94,28,248,80,159,37,38,38,23,195,2,12,250,22,164,9,77,108,111,97,
-100,47,117,115,101,45,99,111,109,112,105,108,101,100,6,25,25,112,97,116,104,
-32,111,114,32,118,97,108,105,100,45,112,97,116,104,32,115,116,114,105,110,103,
-23,197,2,91,159,46,11,90,161,37,36,11,28,248,22,157,14,23,205,2,23,
-204,2,27,247,22,150,5,28,23,193,2,249,22,158,14,23,207,2,23,195,1,
-23,205,2,90,161,39,37,11,248,22,154,14,23,205,1,87,94,23,196,1,90,
-161,38,40,11,28,23,205,2,27,248,22,138,14,23,197,2,27,248,22,176,7,
-23,195,2,28,28,249,22,184,3,23,195,2,40,249,22,179,7,5,4,46,114,
-107,116,249,22,182,7,23,198,2,249,22,172,3,23,199,2,40,11,249,22,7,
-23,199,2,248,22,142,14,249,22,183,7,250,22,182,7,23,202,1,36,249,22,
-172,3,23,203,1,40,5,3,46,115,115,249,22,7,23,199,2,11,249,22,7,
-23,197,2,11,90,161,37,42,11,28,249,22,128,9,23,199,2,23,197,2,23,
-193,2,249,22,151,14,23,196,2,23,199,2,90,161,37,43,11,28,23,198,2,
-28,249,22,128,9,23,200,2,23,197,1,23,193,1,87,94,23,193,1,249,22,
-151,14,23,196,2,23,200,2,87,94,23,195,1,11,90,161,37,44,11,28,249,
-22,128,9,23,196,2,68,114,101,108,97,116,105,118,101,87,94,23,194,1,2,
-22,23,194,1,90,161,37,45,11,247,22,176,14,27,250,22,168,14,23,203,2,
-11,32,0,89,162,8,44,36,41,9,222,11,27,28,23,194,2,249,22,72,23,
-203,2,23,196,1,87,94,23,194,1,11,27,28,23,203,2,28,23,194,2,11,
-27,250,22,168,14,23,207,2,11,32,0,89,162,8,44,36,41,9,222,11,28,
-192,249,22,72,23,206,2,194,11,11,27,28,23,195,2,23,195,2,23,194,2,
-27,89,162,44,37,50,62,122,111,225,15,13,9,33,33,27,89,162,44,37,50,
-66,97,108,116,45,122,111,225,16,14,11,33,34,27,89,162,44,37,52,9,225,
-17,15,11,33,35,27,89,162,44,37,52,9,225,18,16,13,33,36,27,28,23,
-200,2,23,200,2,248,22,190,8,23,200,2,27,28,23,208,2,28,23,200,2,
-87,94,23,201,1,23,200,2,248,22,190,8,23,202,1,11,27,28,23,195,2,
-28,23,197,1,27,249,22,5,89,162,8,44,37,53,9,225,24,22,18,33,37,
-23,216,2,27,28,23,202,2,11,193,28,192,192,28,193,28,23,202,2,28,249,
-22,184,3,248,22,74,196,248,22,74,23,205,2,193,11,11,11,11,87,94,23,
-197,1,11,28,23,193,2,87,105,23,213,1,23,211,1,23,210,1,23,209,1,
-23,208,1,23,201,1,23,200,1,23,199,1,23,198,1,23,196,1,23,195,1,
-23,194,1,20,14,159,80,159,57,40,38,250,80,159,8,24,41,38,249,22,27,
-11,80,159,8,26,40,38,22,172,4,11,20,14,159,80,159,57,40,38,250,80,
-159,8,24,41,38,249,22,27,11,80,159,8,26,40,38,22,150,5,28,248,22,
-133,14,23,216,2,23,215,1,87,94,23,215,1,247,22,174,14,249,247,22,179,
-14,248,22,73,195,23,25,87,94,23,193,1,27,28,23,195,2,28,23,197,1,
-27,249,22,5,89,162,8,44,37,53,9,225,25,23,20,33,38,23,217,2,27,
-28,23,204,2,11,193,28,192,192,28,193,28,203,28,249,22,184,3,248,22,74,
-196,248,22,74,206,193,11,11,11,11,87,94,23,197,1,11,28,23,193,2,87,
-102,23,214,1,23,211,1,23,210,1,23,209,1,23,201,1,23,200,1,23,199,
-1,23,196,1,23,195,1,20,14,159,80,159,58,40,38,250,80,159,8,25,41,
-38,249,22,27,11,80,159,8,27,40,38,22,172,4,23,215,1,20,14,159,80,
-159,58,40,38,250,80,159,8,25,41,38,249,22,27,11,80,159,8,27,40,38,
-22,150,5,28,248,22,133,14,23,217,2,23,216,1,87,94,23,216,1,247,22,
-174,14,249,247,22,179,14,248,22,73,195,23,26,87,94,23,193,1,27,28,23,
-197,2,28,23,201,1,27,249,22,5,83,158,40,20,100,94,89,162,8,44,37,
-51,9,225,26,24,20,33,39,23,213,1,23,218,2,27,28,23,204,2,11,193,
-28,192,192,28,193,28,23,204,2,28,249,22,184,3,248,22,74,196,248,22,74,
-23,207,2,193,11,11,11,87,94,23,210,1,11,87,94,23,201,1,11,28,23,
-193,2,87,101,23,215,1,23,213,1,23,212,1,23,211,1,23,202,1,23,200,
-1,23,197,1,23,196,1,20,14,159,80,159,59,40,38,250,80,159,8,26,41,
-38,249,22,27,11,80,159,8,28,40,38,22,172,4,11,20,14,159,80,159,59,
-40,38,250,80,159,8,26,41,38,249,22,27,11,80,159,8,28,40,38,22,150,
-5,28,248,22,133,14,23,218,2,23,217,1,87,94,23,217,1,247,22,174,14,
-249,247,22,148,5,248,22,73,195,23,27,87,94,23,193,1,27,28,23,197,1,
-28,23,201,1,27,249,22,5,83,158,40,20,100,94,89,162,8,44,37,51,9,
-225,27,25,22,33,40,23,215,1,23,219,1,27,28,23,205,2,11,193,28,192,
-192,28,193,28,204,28,249,22,184,3,248,22,74,196,248,22,74,23,15,193,11,
-11,11,87,95,23,216,1,23,212,1,11,87,94,23,201,1,11,28,23,193,2,
-87,95,23,213,1,23,198,1,20,14,159,80,159,8,24,40,38,250,80,159,8,
-27,41,38,249,22,27,11,80,159,8,29,40,38,22,172,4,23,217,1,20,14,
-159,80,159,8,24,40,38,250,80,159,8,27,41,38,249,22,27,11,80,159,8,
-29,40,38,22,150,5,28,248,22,133,14,23,219,2,23,218,1,87,94,23,218,
-1,247,22,174,14,249,247,22,148,5,248,22,73,195,23,28,87,94,23,193,1,
-27,28,23,199,2,87,94,23,215,1,23,214,1,87,94,23,214,1,23,215,1,
-20,14,159,80,159,8,25,40,38,250,80,159,8,28,41,38,249,22,27,11,80,
-159,8,30,40,38,22,172,4,28,23,30,28,23,202,1,11,195,87,94,23,202,
-1,11,20,14,159,80,159,8,25,40,38,250,80,159,8,28,41,38,249,22,27,
-11,80,159,8,30,40,38,22,150,5,28,248,22,133,14,23,220,2,23,219,1,
-87,94,23,219,1,247,22,174,14,249,247,22,148,5,194,23,29,0,17,35,114,
-120,34,94,40,46,42,63,41,47,40,46,42,41,36,34,32,43,89,162,8,44,
-37,59,2,26,222,33,44,27,249,22,184,14,2,42,23,196,2,28,23,193,2,
-87,94,23,194,1,249,22,72,248,22,97,23,196,2,27,248,22,106,23,197,1,
-27,249,22,184,14,2,42,23,196,2,28,23,193,2,87,94,23,194,1,249,22,
-72,248,22,97,23,196,2,27,248,22,106,23,197,1,27,249,22,184,14,2,42,
-23,196,2,28,23,193,2,87,94,23,194,1,249,22,72,248,22,97,23,196,2,
-27,248,22,106,23,197,1,27,249,22,184,14,2,42,23,196,2,28,23,193,2,
-87,94,23,194,1,249,22,72,248,22,97,23,196,2,248,2,43,248,22,106,23,
-197,1,248,22,82,194,248,22,82,194,248,22,82,194,248,22,82,194,32,45,89,
-162,44,37,8,40,2,26,222,33,46,28,248,22,80,248,22,74,23,195,2,249,
-22,7,9,248,22,73,195,27,248,22,74,194,91,159,38,11,90,161,38,36,11,
-28,248,22,80,248,22,74,23,197,2,249,22,7,9,248,22,73,197,91,159,38,
-11,90,161,38,36,11,27,248,22,74,198,28,248,22,80,248,22,74,23,195,2,
+    SHARED_OK static MZCOMPILED_STRING_FAR unsigned char expr[] = {35,126,8,53,46,48,46,57,57,46,50,74,0,0,0,1,0,0,7,0,18,
+0,45,0,51,0,64,0,73,0,80,0,102,0,124,0,150,0,162,0,180,0,
+200,0,212,0,228,0,251,0,7,1,38,1,45,1,50,1,55,1,60,1,65,
+1,70,1,79,1,84,1,88,1,94,1,101,1,107,1,115,1,124,1,145,1,
+166,1,196,1,226,1,27,2,84,2,132,2,180,2,110,8,129,8,142,8,44,
+9,57,9,243,10,81,13,204,13,210,13,224,13,237,13,79,15,92,15,211,15,
+224,15,66,17,79,17,198,17,225,17,238,17,251,17,93,19,106,19,225,19,238,
+19,101,20,109,20,196,20,198,20,11,21,57,29,109,29,132,29,0,0,38,32,
+0,0,66,35,37,98,111,111,116,70,100,108,108,45,115,117,102,102,105,120,1,
+25,100,101,102,97,117,108,116,45,108,111,97,100,47,117,115,101,45,99,111,109,
+112,105,108,101,100,65,113,117,111,116,101,29,94,2,4,67,35,37,117,116,105,
+108,115,11,68,35,37,112,97,114,97,109,122,29,94,2,4,2,6,11,1,20,
+112,97,114,97,109,101,116,101,114,105,122,97,116,105,111,110,45,107,101,121,1,
+20,100,101,102,97,117,108,116,45,114,101,97,100,101,114,45,103,117,97,114,100,
+1,24,45,109,111,100,117,108,101,45,104,97,115,104,45,116,97,98,108,101,45,
+116,97,98,108,101,71,45,112,97,116,104,45,99,97,99,104,101,77,45,108,111,
+97,100,105,110,103,45,102,105,108,101,110,97,109,101,79,45,108,111,97,100,105,
+110,103,45,112,114,111,109,112,116,45,116,97,103,71,45,112,114,101,118,45,114,
+101,108,116,111,75,45,112,114,101,118,45,114,101,108,116,111,45,100,105,114,1,
+21,115,112,108,105,116,45,114,101,108,97,116,105,118,101,45,115,116,114,105,110,
+103,71,111,114,105,103,45,112,97,114,97,109,122,1,29,115,116,97,110,100,97,
+114,100,45,109,111,100,117,108,101,45,110,97,109,101,45,114,101,115,111,108,118,
+101,114,29,94,2,4,2,6,11,64,98,111,111,116,64,115,101,97,108,64,115,
+97,109,101,5,3,46,122,111,5,3,46,122,111,6,6,6,110,97,116,105,118,
+101,64,108,111,111,112,63,108,105,98,6,3,3,46,115,115,6,4,4,46,114,
+107,116,5,4,46,114,107,116,67,105,103,110,111,114,101,100,249,22,14,195,80,
+159,38,46,38,250,22,151,14,23,197,1,23,199,1,249,80,159,43,39,38,23,
+198,1,2,23,250,22,151,14,23,197,1,23,199,1,249,80,159,43,39,38,23,
+198,1,2,24,252,22,151,14,23,199,1,23,201,1,2,25,247,22,141,8,249,
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@@ -723,22 +720,22 @@
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@@ -747,24 +744,24 @@
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-    EVAL_ONE_SIZED_STR((char *)expr, 8399);
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+197,11,28,23,193,1,12,87,95,27,27,28,248,22,17,80,159,51,46,38,80,
+159,50,46,38,247,22,19,250,22,25,248,22,23,23,197,2,80,159,53,45,38,
+23,196,1,27,248,22,145,15,247,22,175,12,249,22,3,83,158,40,20,100,94,
+89,162,8,44,37,55,9,226,12,11,2,3,33,68,23,195,1,23,196,1,248,
+28,248,22,17,80,159,50,46,38,32,0,89,162,44,37,42,9,222,33,69,80,
+159,49,59,37,89,162,44,36,51,9,227,13,9,8,4,3,33,70,250,22,150,
+2,23,197,1,197,10,12,28,28,248,22,143,8,23,202,1,11,28,248,22,182,
+6,23,206,2,10,28,248,22,57,23,206,2,10,28,248,22,70,23,206,2,249,
+22,128,9,248,22,73,23,208,2,2,27,11,250,22,150,2,80,159,50,44,38,
+28,248,22,182,6,23,209,2,249,22,72,23,210,1,27,28,23,212,2,28,249,
+22,128,9,23,214,2,80,158,55,47,87,94,23,212,1,80,158,53,48,27,248,
+22,128,5,23,214,2,28,248,22,133,14,23,194,2,91,159,39,11,90,161,39,
+36,11,248,22,154,14,23,197,1,87,95,83,160,38,11,80,158,57,47,23,23,
+83,160,38,11,80,158,57,48,192,192,11,11,28,23,193,2,192,87,94,23,193,
+1,27,247,22,150,5,28,23,193,2,192,87,94,23,193,1,247,22,174,14,249,
+22,72,23,210,1,247,22,175,14,252,22,145,8,23,208,1,23,207,1,23,205,
+1,23,203,1,201,12,193,87,96,83,160,38,11,80,158,36,50,248,80,159,37,
+58,38,249,22,27,11,80,159,39,52,38,248,22,170,4,80,159,37,51,38,248,
+22,149,5,80,159,37,37,37,248,22,166,13,80,159,37,42,37,83,160,38,11,
+80,158,36,50,248,80,159,37,58,38,249,22,27,11,80,159,39,52,38,159,36,
+20,105,159,36,16,1,11,16,0,83,158,42,20,103,145,2,1,2,1,29,11,
+11,11,11,11,10,38,80,158,36,36,20,105,159,37,16,23,2,2,2,3,30,
+2,5,72,112,97,116,104,45,115,116,114,105,110,103,63,11,30,2,5,75,112,
+97,116,104,45,97,100,100,45,115,117,102,102,105,120,8,30,2,7,2,8,4,
+30,2,7,1,23,101,120,116,101,110,100,45,112,97,114,97,109,101,116,101,114,
+105,122,97,116,105,111,110,3,2,9,2,10,2,11,2,12,2,13,2,14,2,
+15,2,16,2,17,2,18,30,2,19,2,8,4,30,2,5,79,112,97,116,104,
+45,114,101,112,108,97,99,101,45,115,117,102,102,105,120,10,30,2,5,73,102,
+105,110,100,45,99,111,108,45,102,105,108,101,3,30,2,5,76,110,111,114,109,
+97,108,45,99,97,115,101,45,112,97,116,104,7,2,20,2,21,30,2,19,74,
+114,101,112,97,114,97,109,101,116,101,114,105,122,101,5,16,0,16,0,36,16,
+0,36,16,12,2,12,2,13,2,10,2,11,2,14,2,15,2,3,2,9,2,
+2,2,17,2,16,2,18,48,11,11,39,36,11,11,11,16,2,2,20,2,21,
+16,2,11,11,16,2,2,20,2,21,38,38,37,11,11,11,16,0,16,0,16,
+0,36,36,11,11,11,11,16,0,16,0,16,0,36,36,16,0,16,15,83,158,
+36,16,2,89,162,44,37,45,9,223,0,33,32,80,159,36,59,37,83,158,36,
+16,2,248,22,140,8,69,115,111,45,115,117,102,102,105,120,80,159,36,36,37,
+83,158,36,16,2,89,162,44,38,8,38,2,3,223,0,33,41,80,159,36,37,
+37,83,158,36,16,2,32,0,89,162,8,44,37,42,2,9,222,192,80,159,36,
+42,37,83,158,36,16,2,247,22,135,2,80,159,36,43,37,83,158,36,16,2,
+247,22,134,2,80,159,36,44,37,83,158,36,16,2,247,22,68,80,159,36,45,
+37,83,158,36,16,2,248,22,18,74,109,111,100,117,108,101,45,108,111,97,100,
+105,110,103,80,159,36,46,37,83,158,36,16,2,11,80,158,36,47,83,158,36,
+16,2,11,80,158,36,48,83,158,36,16,2,32,0,89,162,44,38,8,42,2,
+16,222,33,47,80,159,36,49,37,83,158,36,16,2,11,80,158,36,50,83,158,
+36,16,2,91,159,38,10,90,161,37,36,10,11,90,161,37,37,10,83,158,39,
+20,99,96,2,18,89,162,8,44,37,51,9,224,2,0,33,48,89,162,44,39,
+49,9,223,1,33,49,89,162,44,40,8,32,9,224,2,0,33,71,208,80,159,
+36,51,37,83,158,36,16,2,89,162,44,36,45,2,20,223,0,33,72,80,159,
+36,56,37,83,158,36,16,2,89,162,8,44,36,45,2,21,223,0,33,73,80,
+159,36,57,37,96,29,94,2,4,68,35,37,107,101,114,110,101,108,11,29,94,
+2,4,69,35,37,109,105,110,45,115,116,120,11,2,5,2,19,9,9,9,36,
+0};
+    EVAL_ONE_SIZED_STR((char *)expr, 8400);
   }
diff --git a/src/racket/src/fun.c b/src/racket/src/fun.c
index 81d136d461..76105958e2 100644
--- a/src/racket/src/fun.c
+++ b/src/racket/src/fun.c
@@ -174,7 +174,7 @@ static Scheme_Object *procedure_rename(int argc, Scheme_Object *argv[]);
 static Scheme_Object *procedure_to_method(int argc, Scheme_Object *argv[]);
 static Scheme_Object *procedure_equal_closure_p(int argc, Scheme_Object *argv[]);
 static Scheme_Object *chaperone_procedure(int argc, Scheme_Object *argv[]);
-static Scheme_Object *proxy_procedure(int argc, Scheme_Object *argv[]);
+static Scheme_Object *impersonate_procedure(int argc, Scheme_Object *argv[]);
 static Scheme_Object *primitive_p(int argc, Scheme_Object *argv[]);
 static Scheme_Object *primitive_closure_p(int argc, Scheme_Object *argv[]);
 static Scheme_Object *primitive_result_arity (int argc, Scheme_Object *argv[]);
@@ -530,9 +530,9 @@ scheme_init_fun (Scheme_Env *env)
 						      "chaperone-procedure",
 						      2, -1),
 			     env);
-  scheme_add_global_constant("proxy-procedure",
-			     scheme_make_prim_w_arity(proxy_procedure,
-						      "proxy-procedure",
+  scheme_add_global_constant("impersonate-procedure",
+			     scheme_make_prim_w_arity(impersonate_procedure,
+						      "impersonate-procedure",
 						      2, -1),
 			     env);
 
@@ -4084,7 +4084,7 @@ static Scheme_Object *procedure_equal_closure_p(int argc, Scheme_Object *argv[])
 }
 
 static Scheme_Object *do_chaperone_procedure(const char *name, const char *whating,
-                                             int is_proxy, int argc, Scheme_Object *argv[])
+                                             int is_impersonator, int argc, Scheme_Object *argv[])
 {
   Scheme_Chaperone *px;
   Scheme_Object *val = argv[0], *orig, *naya;
@@ -4118,8 +4118,8 @@ static Scheme_Object *do_chaperone_procedure(const char *name, const char *whati
   px->props = props;
   px->redirects = argv[1];
 
-  if (is_proxy)
-    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_PROXY;
+  if (is_impersonator)
+    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_IMPERSONATOR;
 
   return (Scheme_Object *)px;
 }
@@ -4129,9 +4129,9 @@ static Scheme_Object *chaperone_procedure(int argc, Scheme_Object *argv[])
   return do_chaperone_procedure("chaperone-procedure", "chaperoning", 0, argc, argv);
 }
 
-static Scheme_Object *proxy_procedure(int argc, Scheme_Object *argv[])
+static Scheme_Object *impersonate_procedure(int argc, Scheme_Object *argv[])
 {
-  return do_chaperone_procedure("proxy-procedure", "proxying", 1, argc, argv);
+  return do_chaperone_procedure("impersonate-procedure", "impersonating", 1, argc, argv);
 }
 
 static Scheme_Object *apply_chaperone_k(void)
@@ -4206,10 +4206,10 @@ Scheme_Object *scheme_apply_chaperone(Scheme_Object *o, int argc, Scheme_Object
   }
   px = (Scheme_Chaperone *)o;
 
-  if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+  if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
     what = "chaperone";
   else
-    what = "proxy";
+    what = "impersonator";
 
   /* Ensure that the original procedure accepts `argc' arguments: */
   a[0] = px->prev;
@@ -4224,7 +4224,7 @@ Scheme_Object *scheme_apply_chaperone(Scheme_Object *o, int argc, Scheme_Object
   }
 
   if (px->props) {
-    app_mark = scheme_hash_tree_get(px->props, scheme_app_mark_proxy_property);
+    app_mark = scheme_hash_tree_get(px->props, scheme_app_mark_impersonator_property);
     /* app_mark should be (cons mark val) */
     if (app_mark && !SCHEME_PAIRP(app_mark))
       app_mark = NULL;
@@ -4267,7 +4267,7 @@ Scheme_Object *scheme_apply_chaperone(Scheme_Object *o, int argc, Scheme_Object
       memmove(argv2, argv2 + 1, sizeof(Scheme_Object*)*argc);
     } else
       post = NULL;
-    if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY)) {
+    if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR)) {
       for (i = 0; i < argc; i++) {
         if (!scheme_chaperone_of(argv2[i], argv[i])) {
           if (argc == 1)
@@ -4390,7 +4390,7 @@ Scheme_Object *scheme_apply_chaperone(Scheme_Object *o, int argc, Scheme_Object
     }
 
     if (c == argc) {
-      if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY)) {
+      if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR)) {
         for (i = 0; i < argc; i++) {
           if (!scheme_chaperone_of(argv2[i], argv[i])) {
             if (argc == 1)
diff --git a/src/racket/src/jit.c b/src/racket/src/jit.c
index d4e37b9db2..1237015d3a 100644
--- a/src/racket/src/jit.c
+++ b/src/racket/src/jit.c
@@ -6602,9 +6602,9 @@ static int generate_inlined_type_test(mz_jit_state *jitter, Scheme_App2_Rec *app
       ref4 = jit_bgti_p(jit_forward(), JIT_R1, hi_ty);
     }
     if (can_chaperone < 0) {
-      /* Make sure it's not a proxy */
+      /* Make sure it's not a impersonator */
       jit_ldxi_s(JIT_R1, JIT_R0, (long)&SCHEME_CHAPERONE_FLAGS((Scheme_Chaperone *)0x0));
-      ref5 = jit_bmsi_i(jit_forward(), JIT_R1, SCHEME_CHAPERONE_IS_PROXY);
+      ref5 = jit_bmsi_i(jit_forward(), JIT_R1, SCHEME_CHAPERONE_IS_IMPERSONATOR);
     } else
       ref5 = NULL;
     if (int_ok) {
@@ -6785,7 +6785,7 @@ static int generate_inlined_unary(mz_jit_state *jitter, Scheme_App2_Rec *app, in
   } else if (IS_NAMED_PRIM(rator, "chaperone?")) {
     generate_inlined_type_test(jitter, app, scheme_proc_chaperone_type, scheme_chaperone_type, -1, for_branch, branch_short, need_sync);
     return 1;
-  } else if (IS_NAMED_PRIM(rator, "proxy?")) {
+  } else if (IS_NAMED_PRIM(rator, "impersonator?")) {
     generate_inlined_type_test(jitter, app, scheme_proc_chaperone_type, scheme_chaperone_type, 0, for_branch, branch_short, need_sync);
     return 1;
   } else if (IS_NAMED_PRIM(rator, "vector?")) {
diff --git a/src/racket/src/list.c b/src/racket/src/list.c
index 292ff636ef..677836b246 100644
--- a/src/racket/src/list.c
+++ b/src/racket/src/list.c
@@ -90,7 +90,7 @@ static Scheme_Object *box_p (int argc, Scheme_Object *argv[]);
 static Scheme_Object *unbox (int argc, Scheme_Object *argv[]);
 static Scheme_Object *set_box (int argc, Scheme_Object *argv[]);
 static Scheme_Object *chaperone_box(int argc, Scheme_Object **argv);
-static Scheme_Object *proxy_box(int argc, Scheme_Object **argv);
+static Scheme_Object *impersonate_box(int argc, Scheme_Object **argv);
 
 static Scheme_Object *make_hash(int argc, Scheme_Object *argv[]);
 static Scheme_Object *make_hasheq(int argc, Scheme_Object *argv[]);
@@ -127,7 +127,7 @@ static Scheme_Object *equal_hash_code(int argc, Scheme_Object *argv[]);
 static Scheme_Object *equal_hash2_code(int argc, Scheme_Object *argv[]);
 static Scheme_Object *eqv_hash_code(int argc, Scheme_Object *argv[]);
 static Scheme_Object *chaperone_hash(int argc, Scheme_Object **argv);
-static Scheme_Object *proxy_hash(int argc, Scheme_Object **argv);
+static Scheme_Object *impersonate_hash(int argc, Scheme_Object **argv);
 
 static Scheme_Object *make_weak_box(int argc, Scheme_Object *argv[]);
 static Scheme_Object *weak_box_value(int argc, Scheme_Object *argv[]);
@@ -473,9 +473,9 @@ scheme_init_list (Scheme_Env *env)
                                                       "chaperone-box",
                                                       3, -1),
                              env);
-  scheme_add_global_constant("proxy-box",
-                             scheme_make_prim_w_arity(proxy_box,
-                                                      "proxy-box",
+  scheme_add_global_constant("impersonate-box",
+                             scheme_make_prim_w_arity(impersonate_box,
+                                                      "impersonate-box",
                                                       3, -1),
                              env);
 
@@ -636,9 +636,9 @@ scheme_init_list (Scheme_Env *env)
                                                       "chaperone-hash",
                                                       5, -1),
                              env);
-  scheme_add_global_constant("proxy-hash",
-                             scheme_make_prim_w_arity(proxy_hash,
-                                                      "proxy-hash",
+  scheme_add_global_constant("impersonate-hash",
+                             scheme_make_prim_w_arity(impersonate_hash,
+                                                      "impersonate-hash",
                                                       5, -1),
                              env);
 
@@ -1563,7 +1563,7 @@ static Scheme_Object *chaperone_unbox(Scheme_Object *obj)
   a[1] = orig;
   obj = _scheme_apply(SCHEME_CAR(px->redirects), 2, a);
 
-  if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+  if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
     if (!scheme_chaperone_of(obj, orig))
       scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                        "unbox: chaperone produced a result: %V that is not a chaperone of the original result: %V",
@@ -1603,7 +1603,7 @@ static void chaperone_set_box(Scheme_Object *obj, Scheme_Object *v)
       a[1] = v;
       v = _scheme_apply(SCHEME_CDR(px->redirects), 2, a);
 
-      if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+      if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
         if (!scheme_chaperone_of(v, a[1]))
           scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                            "vector-set!: chaperone produced a result: %V that is not a chaperone of the original result: %V",
@@ -1658,7 +1658,7 @@ static Scheme_Object *set_box(int c, Scheme_Object *p[])
   return scheme_void;
 }
 
-static Scheme_Object *do_chaperone_box(const char *name, int is_proxy, int argc, Scheme_Object **argv)
+static Scheme_Object *do_chaperone_box(const char *name, int is_impersonator, int argc, Scheme_Object **argv)
 {
   Scheme_Chaperone *px;
   Scheme_Object *val = argv[0];
@@ -1668,8 +1668,8 @@ static Scheme_Object *do_chaperone_box(const char *name, int is_proxy, int argc,
   if (SCHEME_CHAPERONEP(val))
     val = SCHEME_CHAPERONE_VAL(val);
 
-  if (!SCHEME_BOXP(val) || (is_proxy && !SCHEME_MUTABLEP(val)))
-    scheme_wrong_type(name, is_proxy ? "mutable box" : "box", 0, argc, argv);
+  if (!SCHEME_BOXP(val) || (is_impersonator && !SCHEME_MUTABLEP(val)))
+    scheme_wrong_type(name, is_impersonator ? "mutable box" : "box", 0, argc, argv);
   scheme_check_proc_arity(name, 2, 1, argc, argv);
   scheme_check_proc_arity(name, 2, 2, argc, argv);
 
@@ -1684,8 +1684,8 @@ static Scheme_Object *do_chaperone_box(const char *name, int is_proxy, int argc,
   px->props = props;
   px->redirects = redirects;
 
-  if (is_proxy)
-    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_PROXY;
+  if (is_impersonator)
+    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_IMPERSONATOR;
 
   return (Scheme_Object *)px;
 }
@@ -1695,9 +1695,9 @@ static Scheme_Object *chaperone_box(int argc, Scheme_Object **argv)
   return do_chaperone_box("chaperone-box", 0, argc, argv);
 }
 
-static Scheme_Object *proxy_box(int argc, Scheme_Object **argv)
+static Scheme_Object *impersonate_box(int argc, Scheme_Object **argv)
 {
-  return do_chaperone_box("proxy-box", 1, argc, argv);
+  return do_chaperone_box("impersonate-box", 1, argc, argv);
 }
 
 static int compare_equal(void *v1, void *v2)
@@ -2335,7 +2335,7 @@ static Scheme_Object *do_map_hash_table(int argc,
           v = scheme_chaperone_hash_get(chaperone, v);
           if (!v)
             scheme_raise_exn(MZEXN_FAIL_CONTRACT,
-                             "%s: no value found for post-proxy key: %V",
+                             "%s: no value found for post-impersonator key: %V",
                              name,
                              p[0]);
         } else
@@ -2369,7 +2369,7 @@ static Scheme_Object *do_map_hash_table(int argc,
           v = scheme_chaperone_hash_get(chaperone, v);
           if (!v)
             scheme_raise_exn(MZEXN_FAIL_CONTRACT,
-                             "%s: no value found for post-proxy key: %V",
+                             "%s: no value found for post-impersonator key: %V",
                              name,
                              p[0]);
         } else {
@@ -2574,7 +2574,7 @@ static Scheme_Object *hash_table_index(const char *name, int argc, Scheme_Object
             obj = scheme_chaperone_hash_get(chaperone, key);
             if (!obj)
               scheme_raise_exn(MZEXN_FAIL_CONTRACT,
-                               "hash-iterate-value: no value found for post-proxy key: %V",
+                               "hash-iterate-value: no value found for post-impersonator key: %V",
                                key);
             return obj;
           } else
@@ -2626,7 +2626,7 @@ static Scheme_Object *hash_table_index(const char *name, int argc, Scheme_Object
               obj = scheme_chaperone_hash_get(chaperone, key);
               if (!obj)
                 scheme_raise_exn(MZEXN_FAIL_CONTRACT,
-                                 "hash-iterate-value: no value found for post-proxy key: %V",
+                                 "hash-iterate-value: no value found for post-impersonator key: %V",
                                  key);
               return obj;
             } else
@@ -2663,7 +2663,7 @@ static Scheme_Object *hash_table_iterate_key(int argc, Scheme_Object *argv[])
   return hash_table_index("hash-iterate-key", argc, argv, 0);
 }
 
-static Scheme_Object *do_chaperone_hash(const char *name, int is_proxy, int argc, Scheme_Object **argv)
+static Scheme_Object *do_chaperone_hash(const char *name, int is_impersonator, int argc, Scheme_Object **argv)
 {
   Scheme_Chaperone *px;
   Scheme_Object *val = argv[0];
@@ -2674,9 +2674,9 @@ static Scheme_Object *do_chaperone_hash(const char *name, int is_proxy, int argc
     val = SCHEME_CHAPERONE_VAL(val);
 
   if (!SCHEME_HASHTP(val) 
-      && (is_proxy || !SCHEME_HASHTRP(val))
+      && (is_impersonator || !SCHEME_HASHTRP(val))
       && !SCHEME_BUCKTP(val))
-    scheme_wrong_type(name, is_proxy ? "mutable hash" : "hash", 0, argc, argv);
+    scheme_wrong_type(name, is_impersonator ? "mutable hash" : "hash", 0, argc, argv);
   scheme_check_proc_arity(name, 2, 1, argc, argv); /* ref */
   scheme_check_proc_arity(name, 3, 2, argc, argv); /* set! */
   scheme_check_proc_arity(name, 2, 3, argc, argv); /* remove */
@@ -2698,8 +2698,8 @@ static Scheme_Object *do_chaperone_hash(const char *name, int is_proxy, int argc
   px->props = props;
   px->redirects = redirects;
 
-  if (is_proxy)
-    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_PROXY;
+  if (is_impersonator)
+    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_IMPERSONATOR;
 
   return (Scheme_Object *)px;
 }
@@ -2709,9 +2709,9 @@ static Scheme_Object *chaperone_hash(int argc, Scheme_Object **argv)
   return do_chaperone_hash("chaperone-hash", 0, argc, argv);
 }
 
-static Scheme_Object *proxy_hash(int argc, Scheme_Object **argv)
+static Scheme_Object *impersonate_hash(int argc, Scheme_Object **argv)
 {
-  return do_chaperone_hash("proxy-hash", 1, argc, argv);
+  return do_chaperone_hash("impersonate-hash", 1, argc, argv);
 }
 
 static Scheme_Object *transfer_chaperone(Scheme_Object *chaperone, Scheme_Object *v)
@@ -2871,7 +2871,7 @@ static Scheme_Object *chaperone_hash_op(const char *who, Scheme_Object *o, Schem
                              red,
                              cnt);
 
-          if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+          if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
             if (!scheme_chaperone_of(vals[0], k))
               scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                                "%s: chaperone produced a key: %V that is not a chaperone of the original key: %V",
@@ -2907,7 +2907,7 @@ static Scheme_Object *chaperone_hash_op(const char *who, Scheme_Object *o, Schem
           what = "key";
         }
 
-        if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+        if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
           if (!scheme_chaperone_of(o, orig))
             scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                              "%s: chaperone produced a %s: %V that is not a chaperone of the original %s: %V",
diff --git a/src/racket/src/print.c b/src/racket/src/print.c
index f7e5ce2dea..cee8c8e755 100644
--- a/src/racket/src/print.c
+++ b/src/racket/src/print.c
@@ -1813,7 +1813,7 @@ print(Scheme_Object *obj, int notdisplay, int compact, Scheme_Hash_Table *ht,
 		  || SAME_TYPE(scheme_always_evt_type, SCHEME_TYPE(obj))
 		  || SAME_TYPE(scheme_never_evt_type, SCHEME_TYPE(obj))
 		  || SAME_TYPE(scheme_struct_property_type, SCHEME_TYPE(obj))
-                  || SAME_OBJ(scheme_app_mark_proxy_property, obj))) {
+                  || SAME_OBJ(scheme_app_mark_impersonator_property, obj))) {
     /* Check whether this is a global constant */
     Scheme_Object *val;
     val = scheme_hash_get(global_constants_ht, obj);
diff --git a/src/racket/src/schemef.h b/src/racket/src/schemef.h
index 6d56ca6cb2..4b231f9a15 100644
--- a/src/racket/src/schemef.h
+++ b/src/racket/src/schemef.h
@@ -1050,7 +1050,7 @@ XFORM_NONGCING MZ_EXTERN int scheme_eq(Scheme_Object *obj1, Scheme_Object *obj2)
 XFORM_NONGCING MZ_EXTERN int scheme_eqv(Scheme_Object *obj1, Scheme_Object *obj2);
 MZ_EXTERN int scheme_equal(Scheme_Object *obj1, Scheme_Object *obj2);
 MZ_EXTERN int scheme_chaperone_of(Scheme_Object *obj1, Scheme_Object *obj2);
-MZ_EXTERN int scheme_proxy_of(Scheme_Object *obj1, Scheme_Object *obj2);
+MZ_EXTERN int scheme_impersonator_of(Scheme_Object *obj1, Scheme_Object *obj2);
 
 #ifdef MZ_PRECISE_GC
 XFORM_NONGCING MZ_EXTERN long scheme_hash_key(Scheme_Object *o);
diff --git a/src/racket/src/schemex.h b/src/racket/src/schemex.h
index c2372ddf1f..5e2f87caf1 100644
--- a/src/racket/src/schemex.h
+++ b/src/racket/src/schemex.h
@@ -872,7 +872,7 @@ int (*scheme_eq)(Scheme_Object *obj1, Scheme_Object *obj2);
 int (*scheme_eqv)(Scheme_Object *obj1, Scheme_Object *obj2);
 int (*scheme_equal)(Scheme_Object *obj1, Scheme_Object *obj2);
 int (*scheme_chaperone_of)(Scheme_Object *obj1, Scheme_Object *obj2);
-int (*scheme_proxy_of)(Scheme_Object *obj1, Scheme_Object *obj2);
+int (*scheme_impersonator_of)(Scheme_Object *obj1, Scheme_Object *obj2);
 #ifdef MZ_PRECISE_GC
 long (*scheme_hash_key)(Scheme_Object *o);
 #endif
diff --git a/src/racket/src/schemex.inc b/src/racket/src/schemex.inc
index 06e0dbfc02..e27756dde3 100644
--- a/src/racket/src/schemex.inc
+++ b/src/racket/src/schemex.inc
@@ -605,7 +605,7 @@
   scheme_extension_table->scheme_eqv = scheme_eqv;
   scheme_extension_table->scheme_equal = scheme_equal;
   scheme_extension_table->scheme_chaperone_of = scheme_chaperone_of;
-  scheme_extension_table->scheme_proxy_of = scheme_proxy_of;
+  scheme_extension_table->scheme_impersonator_of = scheme_impersonator_of;
 #ifdef MZ_PRECISE_GC
   scheme_extension_table->scheme_hash_key = scheme_hash_key;
 #endif
diff --git a/src/racket/src/schemexm.h b/src/racket/src/schemexm.h
index 7de4e2fe2d..2db158e7fd 100644
--- a/src/racket/src/schemexm.h
+++ b/src/racket/src/schemexm.h
@@ -605,7 +605,7 @@
 #define scheme_eqv (scheme_extension_table->scheme_eqv)
 #define scheme_equal (scheme_extension_table->scheme_equal)
 #define scheme_chaperone_of (scheme_extension_table->scheme_chaperone_of)
-#define scheme_proxy_of (scheme_extension_table->scheme_proxy_of)
+#define scheme_impersonator_of (scheme_extension_table->scheme_impersonator_of)
 #ifdef MZ_PRECISE_GC
 #define scheme_hash_key (scheme_extension_table->scheme_hash_key)
 #endif
diff --git a/src/racket/src/schpriv.h b/src/racket/src/schpriv.h
index fc636738c6..9045e6a25b 100644
--- a/src/racket/src/schpriv.h
+++ b/src/racket/src/schpriv.h
@@ -384,9 +384,9 @@ THREAD_LOCAL_DECL(extern Scheme_Object *scheme_system_idle_channel);
 extern Scheme_Object *scheme_input_port_property, *scheme_output_port_property;
 
 extern Scheme_Object *scheme_equal_property;
-extern Scheme_Object *scheme_proxy_of_property;
+extern Scheme_Object *scheme_impersonator_of_property;
 
-extern Scheme_Object *scheme_app_mark_proxy_property;
+extern Scheme_Object *scheme_app_mark_impersonator_property;
 
 extern Scheme_Object *scheme_reduced_procedure_struct;
 
@@ -763,7 +763,7 @@ Scheme_Object *scheme_extract_checked_procedure(int argc, Scheme_Object **argv);
 Scheme_Object *scheme_rename_struct_proc(Scheme_Object *p, Scheme_Object *sym);
 
 typedef struct Scheme_Chaperone {
-  Scheme_Inclhash_Object iso; /* 0x1 => proxy, rather than a checking chaperone */
+  Scheme_Inclhash_Object iso; /* 0x1 => impersonator, rather than a checking chaperone */
   Scheme_Object *val;  /* root object */
   Scheme_Object *prev; /* immediately chaperoned object */
   Scheme_Hash_Tree *props;
@@ -771,7 +771,7 @@ typedef struct Scheme_Chaperone {
 } Scheme_Chaperone;
 
 #define SCHEME_CHAPERONE_FLAGS(c) MZ_OPT_HASH_KEY(&(c)->iso)
-#define SCHEME_CHAPERONE_IS_PROXY 0x1
+#define SCHEME_CHAPERONE_IS_IMPERSONATOR 0x1
 
 #define SCHEME_CHAPERONE_VAL(obj) (((Scheme_Chaperone *)obj)->val)
 
diff --git a/src/racket/src/schvers.h b/src/racket/src/schvers.h
index 626299e48c..f0dc87a25b 100644
--- a/src/racket/src/schvers.h
+++ b/src/racket/src/schvers.h
@@ -13,12 +13,12 @@
    consistently.)
 */
 
-#define MZSCHEME_VERSION "5.0.99.1"
+#define MZSCHEME_VERSION "5.0.99.2"
 
 #define MZSCHEME_VERSION_X 5
 #define MZSCHEME_VERSION_Y 0
 #define MZSCHEME_VERSION_Z 99
-#define MZSCHEME_VERSION_W 1
+#define MZSCHEME_VERSION_W 2
 
 #define MZSCHEME_VERSION_MAJOR ((MZSCHEME_VERSION_X * 100) + MZSCHEME_VERSION_Y)
 #define MZSCHEME_VERSION_MINOR ((MZSCHEME_VERSION_Z * 1000) + MZSCHEME_VERSION_W)
diff --git a/src/racket/src/struct.c b/src/racket/src/struct.c
index 720dcbd5cf..e22113c18f 100644
--- a/src/racket/src/struct.c
+++ b/src/racket/src/struct.c
@@ -32,13 +32,13 @@ READ_ONLY Scheme_Object *scheme_source_property;
 READ_ONLY Scheme_Object *scheme_input_port_property;
 READ_ONLY Scheme_Object *scheme_output_port_property;
 READ_ONLY Scheme_Object *scheme_equal_property;
-READ_ONLY Scheme_Object *scheme_proxy_of_property;
+READ_ONLY Scheme_Object *scheme_impersonator_of_property;
 READ_ONLY Scheme_Object *scheme_make_struct_type_proc;
 READ_ONLY Scheme_Object *scheme_current_inspector_proc;
 READ_ONLY Scheme_Object *scheme_recur_symbol;
 READ_ONLY Scheme_Object *scheme_display_symbol;
 READ_ONLY Scheme_Object *scheme_write_special_symbol;
-READ_ONLY Scheme_Object *scheme_app_mark_proxy_property;
+READ_ONLY Scheme_Object *scheme_app_mark_impersonator_property;
 
 READ_ONLY static Scheme_Object *location_struct;
 READ_ONLY static Scheme_Object *write_property;
@@ -89,7 +89,7 @@ static Scheme_Object *struct_type_property_p(int argc, Scheme_Object *argv[]);
 static Scheme_Object *chaperone_property_p(int argc, Scheme_Object *argv[]);
 static Scheme_Object *check_evt_property_value_ok(int argc, Scheme_Object *argv[]);
 static Scheme_Object *check_equal_property_value_ok(int argc, Scheme_Object *argv[]);
-static Scheme_Object *check_proxy_of_property_value_ok(int argc, Scheme_Object *argv[]);
+static Scheme_Object *check_impersonator_of_property_value_ok(int argc, Scheme_Object *argv[]);
 static Scheme_Object *check_write_property_value_ok(int argc, Scheme_Object *argv[]);
 static Scheme_Object *check_print_attribute_property_value_ok(int argc, Scheme_Object *argv[]);
 static Scheme_Object *check_input_port_property_value_ok(int argc, Scheme_Object *argv[]);
@@ -167,7 +167,7 @@ static Scheme_Object *procedure_extract_target(int argc, Scheme_Object **argv);
 static Scheme_Struct_Type *hash_prefab(Scheme_Struct_Type *type);
 
 static Scheme_Object *chaperone_struct(int argc, Scheme_Object **argv);
-static Scheme_Object *proxy_struct(int argc, Scheme_Object **argv);
+static Scheme_Object *impersonate_struct(int argc, Scheme_Object **argv);
 static Scheme_Object *chaperone_struct_type(int argc, Scheme_Object **argv);
 static Scheme_Object *make_chaperone_property(int argc, Scheme_Object *argv[]);
 
@@ -351,13 +351,13 @@ scheme_init_struct (Scheme_Env *env)
   }
 
   {
-    guard = scheme_make_prim_w_arity(check_proxy_of_property_value_ok,
-				     "guard-for-prop:proxy-of",
+    guard = scheme_make_prim_w_arity(check_impersonator_of_property_value_ok,
+				     "guard-for-prop:impersonator-of",
 				     2, 2);
-    REGISTER_SO(scheme_proxy_of_property);
-    scheme_proxy_of_property = scheme_make_struct_type_property_w_guard(scheme_intern_symbol("proxy-of"),
+    REGISTER_SO(scheme_impersonator_of_property);
+    scheme_impersonator_of_property = scheme_make_struct_type_property_w_guard(scheme_intern_symbol("impersonator-of"),
                                                                         guard);
-    scheme_add_global_constant("prop:proxy-of", scheme_proxy_of_property, env);
+    scheme_add_global_constant("prop:impersonator-of", scheme_impersonator_of_property, env);
   }
 
   {
@@ -608,9 +608,9 @@ scheme_init_struct (Scheme_Env *env)
 						      "struct-type-property-accessor-procedure?",
 						      1, 1),
 			     env);
-  scheme_add_global_constant("proxy-property-accessor-procedure?",
+  scheme_add_global_constant("impersonator-property-accessor-procedure?",
 			     scheme_make_prim_w_arity(chaperone_prop_getter_p,
-						      "proxy-property-accessor-procedure?",
+						      "impersonator-property-accessor-procedure?",
 						      1, 1),
 			     env);
   
@@ -703,9 +703,9 @@ scheme_init_struct (Scheme_Env *env)
                                                       "chaperone-struct",
                                                       1, -1),
                              env);
-  scheme_add_global_constant("proxy-struct",
-                             scheme_make_prim_w_arity(proxy_struct,
-                                                      "proxy-struct",
+  scheme_add_global_constant("impersonate-struct",
+                             scheme_make_prim_w_arity(impersonate_struct,
+                                                      "impersonate-struct",
                                                       1, -1),
                              env);
   scheme_add_global_constant("chaperone-struct-type",
@@ -713,23 +713,23 @@ scheme_init_struct (Scheme_Env *env)
                                                       "chaperone-struct-type",
                                                       1, -1),
                              env);
-  scheme_add_global_constant("make-proxy-property", 
+  scheme_add_global_constant("make-impersonator-property", 
 			    scheme_make_prim_w_arity2(make_chaperone_property,
-						      "make-proxy-property",
+						      "make-impersonator-property",
 						      1, 1,
 						      3, 3),
 			    env);
-  scheme_add_global_constant("proxy-property?",
+  scheme_add_global_constant("impersonator-property?",
 			     scheme_make_folding_prim(chaperone_property_p,
-						     "proxy-property?",
+						     "impersonator-property?",
 						     1, 1, 1),
 			    env);
 
   {
-    REGISTER_SO(scheme_app_mark_proxy_property);
-    scheme_app_mark_proxy_property = make_chaperone_property_from_c(scheme_intern_symbol("application-mark"));
-    scheme_add_global_constant("proxy-prop:application-mark",
-                               scheme_app_mark_proxy_property,
+    REGISTER_SO(scheme_app_mark_impersonator_property);
+    scheme_app_mark_impersonator_property = make_chaperone_property_from_c(scheme_intern_symbol("application-mark"));
+    scheme_add_global_constant("impersonator-prop:application-mark",
+                               scheme_app_mark_impersonator_property,
                                env);
   }
 }
@@ -981,7 +981,7 @@ static Scheme_Object *do_chaperone_prop_accessor(const char *who, Scheme_Object
           a[1] = orig;
           v = _scheme_apply(red, 2, a);
     
-          if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+          if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
             if (!scheme_chaperone_of(v, orig))
               scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                                "%s: chaperone produced a result: %V that is not a chaperone of the original result: %V",
@@ -1030,7 +1030,7 @@ static Scheme_Object *make_struct_type_property_from_c(int argc, Scheme_Object *
   if (type == scheme_struct_property_type)
     who = "make-struct-type-property";
   else
-    who = "make-proxy-property";
+    who = "make-impersonator-property";
 
   if (!SCHEME_SYMBOLP(argv[0]))
     scheme_wrong_type(who, "symbol", 0, argc, argv);
@@ -1138,7 +1138,7 @@ Scheme_Object *scheme_make_struct_type_property(Scheme_Object *name)
 Scheme_Object *scheme_chaperone_struct_type_property_ref(Scheme_Object *prop, Scheme_Object *s)
 {
   if (SCHEME_CHAPERONEP(s))
-    return do_chaperone_prop_accessor("proxy-property-ref", prop, s);
+    return do_chaperone_prop_accessor("impersonator-property-ref", prop, s);
   else
     return do_prop_accessor(prop, s);
 }
@@ -1517,20 +1517,20 @@ static Scheme_Object *check_equal_property_value_ok(int argc, Scheme_Object *arg
   return v;
 }
 
-static Scheme_Object *check_proxy_of_property_value_ok(int argc, Scheme_Object *argv[])
+static Scheme_Object *check_impersonator_of_property_value_ok(int argc, Scheme_Object *argv[])
 {
-  /* This is the guard for prop:proxy-of */
+  /* This is the guard for prop:impersonator-of */
   Scheme_Object *v;
 
   v = argv[0];
 
   if (!scheme_check_proc_arity(NULL, 1, 0, argc, argv)) {
-    scheme_arg_mismatch("guard-for-prop:proxy-of",
+    scheme_arg_mismatch("guard-for-prop:impersonator-of",
 			"not a procedure of arity 1: ",
 			v); 
   }
 
-  /* Add a tag to track origin of the proxy-of property: */
+  /* Add a tag to track origin of the impersonator-of property: */
   v = scheme_make_pair(scheme_make_symbol("tag"), v);
 
   return v;
@@ -1860,7 +1860,7 @@ static Scheme_Object *chaperone_struct_ref(const char *who, Scheme_Object *o, in
         red = SCHEME_VEC_ELS(px->redirects)[PRE_REDIRECTS + i];
         o = _scheme_apply(red, 2, a);
         
-        if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+        if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
           if (!scheme_chaperone_of(o, orig))
             scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                              "%s: chaperone produced a result: %V that is not a chaperone of the original result: %V",
@@ -1905,7 +1905,7 @@ static void chaperone_struct_set(const char *who, Scheme_Object *o, int i, Schem
           a[1] = v;
           v = _scheme_apply(red, 2, a);
 
-          if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+          if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
             if (!scheme_chaperone_of(v, a[1]))
               scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                                "%s: chaperone produced a result: %V that is not a chaperone of the original result: %V",
@@ -2377,16 +2377,16 @@ static Scheme_Object *proc_struct_type_p(int argc, Scheme_Object *argv[])
 static Scheme_Object *apply_chaperones(const char *who, Scheme_Object *procs, int argc, Scheme_Object **a)
 {
   Scheme_Object *v, **vals, *v1[1];
-  int cnt, i, is_proxy;
+  int cnt, i, is_impersonator;
   Scheme_Thread *p;
 
   while (SCHEME_PAIRP(procs)) {
     v = SCHEME_CAR(procs);
     if (SCHEME_BOXP(v)) {
-      is_proxy = 1;
+      is_impersonator = 1;
       v = SCHEME_BOX_VAL(v);
     } else
-      is_proxy = 0;
+      is_impersonator = 0;
 
     v = _scheme_apply_multi(v, argc, a);
 
@@ -2412,7 +2412,7 @@ static Scheme_Object *apply_chaperones(const char *who, Scheme_Object *procs, in
                        cnt, argc);
     }
 
-    if (!is_proxy) {
+    if (!is_impersonator) {
       for (i = 0; i < argc; i++) {
         if (!scheme_chaperone_of(vals[i], a[i]))
           scheme_raise_exn(MZEXN_FAIL_CONTRACT,
@@ -2440,7 +2440,7 @@ static Scheme_Object *struct_info_chaperone(Scheme_Object *o, Scheme_Object *si,
     if (SCHEME_VECTORP(px->redirects)) {
       if (SCHEME_VEC_ELS(px->redirects)[1]) {
         proc = SCHEME_VEC_ELS(px->redirects)[1];
-        if (SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY)
+        if (SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR)
           proc = scheme_box(proc);
         procs = scheme_make_pair(proc, procs);
       }
@@ -2586,7 +2586,7 @@ static Scheme_Object *struct_type_info_chaperone(Scheme_Object *o, Scheme_Object
     px = (Scheme_Chaperone *)o;
     if (SCHEME_PAIRP(px->redirects)) {
       proc = SCHEME_CAR(px->redirects);
-      if (SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY)
+      if (SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR)
         proc = scheme_box(proc);
       procs = scheme_make_pair(proc, procs);
     }
@@ -2635,7 +2635,7 @@ static Scheme_Object *type_constr_chaperone(Scheme_Object *o, Scheme_Object *v)
     px = (Scheme_Chaperone *)o;
     if (SCHEME_PAIRP(px->redirects)) {
       proc = SCHEME_CADR(px->redirects);
-      if (SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY)
+      if (SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR)
         proc = scheme_box(proc);
       procs = scheme_make_pair(proc, procs);
     }
@@ -3120,14 +3120,14 @@ Scheme_Object *handle_evt_p(int argc, Scheme_Object *argv[])
     return NULL;
 }
 
-static Scheme_Object *do_chaperone_result_guard_proc(int is_proxy, void *data, int argc, Scheme_Object *argv[])
+static Scheme_Object *do_chaperone_result_guard_proc(int is_impersonator, void *data, int argc, Scheme_Object *argv[])
 {
   Scheme_Object *proc = (Scheme_Object *)data, *o, *a[1];
 
   a[0] = argv[0];
   o = _scheme_apply(proc, 1, a);
   
-  if (!is_proxy)
+  if (!is_impersonator)
     if (!scheme_chaperone_of(o, a[0]))
       scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                        "evt result chaperone: chaperone produced a value: %V that is not a chaperone of the original result: %V",
@@ -3142,12 +3142,12 @@ static Scheme_Object *chaperone_result_guard_proc(void *data, int argc, Scheme_O
   return do_chaperone_result_guard_proc(0, data, argc, argv);
 }
 
-static Scheme_Object *proxy_result_guard_proc(void *data, int argc, Scheme_Object *argv[])
+static Scheme_Object *impersonator_result_guard_proc(void *data, int argc, Scheme_Object *argv[])
 {
   return do_chaperone_result_guard_proc(1, data, argc, argv);
 }
 
-static Scheme_Object *do_chaperone_guard_proc(int is_proxy, void *data, int argc, Scheme_Object *argv[])
+static Scheme_Object *do_chaperone_guard_proc(int is_impersonator, void *data, int argc, Scheme_Object *argv[])
 {
   Scheme_Object *evt = SCHEME_CAR((Scheme_Object *)data);
   Scheme_Object *proc = SCHEME_CDR((Scheme_Object *)data);
@@ -3175,11 +3175,11 @@ static Scheme_Object *do_chaperone_guard_proc(int is_proxy, void *data, int argc
   if (cnt != 2)
     scheme_raise_exn(MZEXN_FAIL_CONTRACT_ARITY,
                      "evt %s: %V: returned %d values, expected 2",
-                     (is_proxy ? "proxy" : "chaperone"),
+                     (is_impersonator ? "impersonator" : "chaperone"),
                      proc,
                      cnt);
 
-  if (!is_proxy)
+  if (!is_impersonator)
     if (!scheme_chaperone_of(vals[0], evt))
       scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                        "evt chaperone: chaperone produced a value: %V that is not a chaperone of the original event: %V",
@@ -3188,13 +3188,13 @@ static Scheme_Object *do_chaperone_guard_proc(int is_proxy, void *data, int argc
   if (!scheme_check_proc_arity(NULL, 1, 1, 1, vals))
     scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                      "evt %s: expected a value of type <procedure (arity 2)> as second %s result, received: %V",
-                     (is_proxy ? "proxy" : "chaperone"),
-                     (is_proxy ? "proxy" : "chaperone"),
+                     (is_impersonator ? "impersonator" : "chaperone"),
+                     (is_impersonator ? "impersonator" : "chaperone"),
                      vals[1]);
 
   a[0] = vals[0];
-  o = scheme_make_closed_prim_w_arity((is_proxy
-                                       ? proxy_result_guard_proc
+  o = scheme_make_closed_prim_w_arity((is_impersonator
+                                       ? impersonator_result_guard_proc
                                        : chaperone_result_guard_proc),
                                       (void *)vals[1], 
                                       "evt-result-chaperone", 
@@ -3209,12 +3209,12 @@ static Scheme_Object *chaperone_guard_proc(void *data, int argc, Scheme_Object *
   return do_chaperone_guard_proc(0, data, argc, argv);
 }
 
-static Scheme_Object *proxy_guard_proc(void *data, int argc, Scheme_Object *argv[])
+static Scheme_Object *impersonator_guard_proc(void *data, int argc, Scheme_Object *argv[])
 {
   return do_chaperone_guard_proc(1, data, argc, argv);
 }
 
-static Scheme_Object *do_chaperone_evt(const char *name, int is_proxy, int argc, Scheme_Object *argv[])
+static Scheme_Object *do_chaperone_evt(const char *name, int is_impersonator, int argc, Scheme_Object *argv[])
 {
   Scheme_Chaperone *px;
   Scheme_Object *o, *val, *a[1];
@@ -3231,13 +3231,13 @@ static Scheme_Object *do_chaperone_evt(const char *name, int is_proxy, int argc,
   props = scheme_parse_chaperone_props(name, 2, argc, argv);
 
   o = scheme_make_pair(argv[0], argv[1]);
-  o = scheme_make_closed_prim_w_arity((is_proxy
-                                       ? proxy_guard_proc
+  o = scheme_make_closed_prim_w_arity((is_impersonator
+                                       ? impersonator_guard_proc
                                        : chaperone_guard_proc),
                                       (void *)o, 
-                                      (is_proxy
-                                       ? "evt-chaperone"
-                                       : "evt-proxy"),
+                                      (is_impersonator
+                                       ? "chaperone-evt"
+                                       : "impersonate-evt"),
                                       1, 1);
   a[0] = o;
   o = nack_evt(1, a);
@@ -3252,8 +3252,8 @@ static Scheme_Object *do_chaperone_evt(const char *name, int is_proxy, int argc,
   px->props = props;
   px->redirects = o;
   
-  if (is_proxy)
-    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_PROXY;
+  if (is_impersonator)
+    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_IMPERSONATOR;
 
   return (Scheme_Object *)px;
 }
@@ -5121,7 +5121,7 @@ static Scheme_Object *check_exn_source_property_value_ok(int argc, Scheme_Object
 
 /**********************************************************************/
 
-static Scheme_Object *do_chaperone_struct(const char *name, int is_proxy, int argc, Scheme_Object **argv)
+static Scheme_Object *do_chaperone_struct(const char *name, int is_impersonator, int argc, Scheme_Object **argv)
 /* (chaperone-struct v mutator/selector replacement ...) */
 {
   Scheme_Chaperone *px;
@@ -5166,15 +5166,15 @@ static Scheme_Object *do_chaperone_struct(const char *name, int is_proxy, int ar
     } else if (SCHEME_TRUEP(struct_getter_p(1, a))) {
       kind = "accessor";
       offset = 0;
-    } else if (!is_proxy && SCHEME_TRUEP(struct_prop_getter_p(1, a))) {
+    } else if (!is_impersonator && SCHEME_TRUEP(struct_prop_getter_p(1, a))) {
       kind = "struct-type property accessor";
       offset = -1;
-    } else if (!is_proxy && SAME_OBJ(proc, struct_info_proc)) {
+    } else if (!is_impersonator && SAME_OBJ(proc, struct_info_proc)) {
       kind = "struct-info";
       offset = -2;
     } else {
       scheme_wrong_type(name, 
-                        (is_proxy
+                        (is_impersonator
                          ? "structure accessor or structure mutator"
                          : "structure accessor, structure mutator, struct-type property accessor, or `struct-info'"),
                         i, argc, argv);
@@ -5228,7 +5228,7 @@ static Scheme_Object *do_chaperone_struct(const char *name, int is_proxy, int ar
                          name,
                          kind, kind,
                          a[0]);
-      if (is_proxy) {
+      if (is_impersonator) {
         /* Must not be an immutable field. */
         if (stype->immutables) {
           if (stype->immutables[pi->field - (pi->struct_type->name_pos 
@@ -5289,8 +5289,8 @@ static Scheme_Object *do_chaperone_struct(const char *name, int is_proxy, int ar
   px->props = props;
   px->redirects = redirects;
 
-  if (is_proxy)
-    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_PROXY;
+  if (is_impersonator)
+    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_IMPERSONATOR;
 
   return (Scheme_Object *)px;
 }
@@ -5300,12 +5300,12 @@ static Scheme_Object *chaperone_struct(int argc, Scheme_Object **argv)
   return do_chaperone_struct("chaperone-struct", 0, argc, argv);
 }
 
-static Scheme_Object *proxy_struct(int argc, Scheme_Object **argv)
+static Scheme_Object *impersonate_struct(int argc, Scheme_Object **argv)
 {
-  return do_chaperone_struct("proxy-struct", 1, argc, argv);
+  return do_chaperone_struct("impersonate-struct", 1, argc, argv);
 }
 
-static Scheme_Object *do_chaperone_struct_type(const char *name, int is_proxy, int argc, Scheme_Object **argv)
+static Scheme_Object *do_chaperone_struct_type(const char *name, int is_impersonator, int argc, Scheme_Object **argv)
 {
   Scheme_Chaperone *px;
   Scheme_Object *val = argv[0];
@@ -5344,8 +5344,8 @@ static Scheme_Object *do_chaperone_struct_type(const char *name, int is_proxy, i
   px->prev = argv[0];
   px->redirects = redirects;
 
-  if (is_proxy)
-    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_PROXY;
+  if (is_impersonator)
+    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_IMPERSONATOR;
 
   return (Scheme_Object *)px;
 }
@@ -5368,7 +5368,7 @@ Scheme_Hash_Tree *scheme_parse_chaperone_props(const char *who, int start_at, in
   while (start_at < argc) {
     v = argv[start_at];
     if (!SAME_TYPE(SCHEME_TYPE(v), scheme_chaperone_property_type))
-      scheme_wrong_type(who, "proxy-property", start_at, argc, argv);
+      scheme_wrong_type(who, "impersonator-property", start_at, argc, argv);
 
     if (start_at + 1 >= argc)
       scheme_arg_mismatch(who,
diff --git a/src/racket/src/vector.c b/src/racket/src/vector.c
index 2bc5bf63cc..240ee81612 100644
--- a/src/racket/src/vector.c
+++ b/src/racket/src/vector.c
@@ -45,7 +45,7 @@ static Scheme_Object *vector_copy_bang(int argc, Scheme_Object *argv[]);
 static Scheme_Object *vector_to_immutable (int argc, Scheme_Object *argv[]);
 static Scheme_Object *vector_to_values (int argc, Scheme_Object *argv[]);
 static Scheme_Object *chaperone_vector(int argc, Scheme_Object **argv);
-static Scheme_Object *proxy_vector(int argc, Scheme_Object **argv);
+static Scheme_Object *impersonate_vector(int argc, Scheme_Object **argv);
 
 static Scheme_Object *unsafe_vector_len (int argc, Scheme_Object *argv[]);
 static Scheme_Object *unsafe_vector_ref (int argc, Scheme_Object *argv[]);
@@ -147,9 +147,9 @@ scheme_init_vector (Scheme_Env *env)
                                                       "chaperone-vector",
                                                       3, -1),
                              env);
-  scheme_add_global_constant("proxy-vector",
-                             scheme_make_prim_w_arity(proxy_vector,
-                                                      "proxy-vector",
+  scheme_add_global_constant("impersonate-vector",
+                             scheme_make_prim_w_arity(impersonate_vector,
+                                                      "impersonate-vector",
                                                       3, -1),
                              env);
 }
@@ -425,7 +425,7 @@ Scheme_Object *scheme_chaperone_vector_ref(Scheme_Object *o, int i)
     red = SCHEME_CAR(px->redirects);
     o = _scheme_apply(red, 3, a);
 
-    if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+    if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
       if (!scheme_chaperone_of(o, orig))
         scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                          "vector-ref: chaperone produced a result: %V that is not a chaperone of the original result: %V",
@@ -480,7 +480,7 @@ void scheme_chaperone_vector_set(Scheme_Object *o, int i, Scheme_Object *v)
       red = SCHEME_CDR(px->redirects);
       v = _scheme_apply(red, 3, a);
 
-      if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_PROXY))
+      if (!(SCHEME_CHAPERONE_FLAGS(px) & SCHEME_CHAPERONE_IS_IMPERSONATOR))
         if (!scheme_chaperone_of(v, a[2]))
           scheme_raise_exn(MZEXN_FAIL_CONTRACT,
                            "vector-set!: chaperone produced a result: %V that is not a chaperone of the original result: %V",
@@ -802,7 +802,7 @@ static Scheme_Object *vector_to_values (int argc, Scheme_Object *argv[])
   return SCHEME_MULTIPLE_VALUES;
 }
 
-static Scheme_Object *do_chaperone_vector(const char *name, int is_proxy, int argc, Scheme_Object **argv)
+static Scheme_Object *do_chaperone_vector(const char *name, int is_impersonator, int argc, Scheme_Object **argv)
 {
   Scheme_Chaperone *px;
   Scheme_Object *val = argv[0];
@@ -813,8 +813,8 @@ static Scheme_Object *do_chaperone_vector(const char *name, int is_proxy, int ar
     val = SCHEME_CHAPERONE_VAL(val);
 
   if (!SCHEME_VECTORP(val)
-      || (is_proxy && !SCHEME_MUTABLEP(val)))
-    scheme_wrong_type(name, is_proxy ? "mutable vector" : "vector", 0, argc, argv);
+      || (is_impersonator && !SCHEME_MUTABLEP(val)))
+    scheme_wrong_type(name, is_impersonator ? "mutable vector" : "vector", 0, argc, argv);
   scheme_check_proc_arity(name, 3, 1, argc, argv);
   scheme_check_proc_arity(name, 3, 2, argc, argv);
 
@@ -829,8 +829,8 @@ static Scheme_Object *do_chaperone_vector(const char *name, int is_proxy, int ar
   px->prev = argv[0];
   px->redirects = redirects;
 
-  if (is_proxy)
-    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_PROXY;
+  if (is_impersonator)
+    SCHEME_CHAPERONE_FLAGS(px) |= SCHEME_CHAPERONE_IS_IMPERSONATOR;
 
   return (Scheme_Object *)px;
 }
@@ -840,9 +840,9 @@ static Scheme_Object *chaperone_vector(int argc, Scheme_Object **argv)
   return do_chaperone_vector("chaperone-vector", 0, argc, argv);
 }
 
-static Scheme_Object *proxy_vector(int argc, Scheme_Object **argv)
+static Scheme_Object *impersonate_vector(int argc, Scheme_Object **argv)
 {
-  return do_chaperone_vector("proxy-vector", 1, argc, argv);
+  return do_chaperone_vector("impersonate-vector", 1, argc, argv);
 }
 
 /************************************************************/