diff --git a/collects/macro-debugger/syntax-browser/controller.ss b/collects/macro-debugger/syntax-browser/controller.ss
index 5f0d78d..9df5c55 100644
--- a/collects/macro-debugger/syntax-browser/controller.ss
+++ b/collects/macro-debugger/syntax-browser/controller.ss
@@ -11,12 +11,13 @@
     (class* object% (syntax-controller<%>
                      syntax-pp-snip-controller<%>
                      color-controller<%>)
+      (init-field (primary-partition (new-bound-partition)))
+      (init-field (properties-controller #f))
 
       (define colorers null)
       (define selection-listeners null)
       (define selected-syntax #f)
       (define identifier=?-listeners null)
-      (init-field (properties-controller #f))
 
       ;; syntax-controller<%> Methods
 
@@ -42,7 +43,7 @@
         (set! selection-listeners (cons p selection-listeners)))
       
       (define/public (on-update-identifier=? name id=?)
-        (set! -secondary-partition 
+        (set! secondary-partition 
               (and id=? (new partition% (relation id=?))))
         (for-each (lambda (c) (send c refresh)) colorers)
         (for-each (lambda (f) (f name id=?)) identifier=?-listeners))
@@ -61,11 +62,10 @@
 
       ;; color-controller<%> Methods
 
-      (define -primary-partition (new-bound-partition))
-      (define -secondary-partition #f)
+      (define secondary-partition #f)
 
-      (define/public (get-primary-partition) -primary-partition)
-      (define/public (get-secondary-partition) -secondary-partition)
+      (define/public (get-primary-partition) primary-partition)
+      (define/public (get-secondary-partition) secondary-partition)
 
       ;; Initialization
       (super-new)
diff --git a/collects/macro-debugger/syntax-browser/interfaces.ss b/collects/macro-debugger/syntax-browser/interfaces.ss
index babd7b6..32af451 100644
--- a/collects/macro-debugger/syntax-browser/interfaces.ss
+++ b/collects/macro-debugger/syntax-browser/interfaces.ss
@@ -115,6 +115,14 @@
       select-syntax
       apply-styles))
 
+  ;; syntax-sharing-context<%>
+  ;; A syntax-sharing-context<%> 
+  ;; Syntax snips search their enclosing editors for instances of sharing contexts
+  (define syntax-sharing-context<%>
+    (interface ()
+      ;; get-shared-partition
+      get-shared-partition))
+
   ;;----------
   
   ;; Convenience widget, specialized for displaying stx and not much else