Forgot to use the patched version of extend-reader in the previous commit

aful/reader.rkt

@@ -19,6 +19,7 @@
          racket/function
          syntax/srcloc
          hygienic-reader-extension/extend-reader
+         "unhygienic/hygienic-reader-extension--extend-reader--unhygienic.rkt"
          (for-meta -10 racket/base)
          (for-meta -9 racket/base)
          (for-meta -8 racket/base)
@@ -61,14 +62,14 @@
 (require syntax/strip-context)
 (define ((wrap-reader-unhygienic p) . p-args)
   (strip-context
-   (apply (extend-reader p
-                         (λ ([orig-rt (current-readtable)]
-                             #:outer-scope outer-scope
-                             #:arg-str [arg-str (current-arg-string)])
-                           (make-aful-readtable orig-rt
-                                               #:outer-scope (λ (stx [mode 'flip]) stx)
-                                               #:arg-str arg-str))
-                         #:hygiene? #f)
+   (apply (extend-reader-unhygienic p
+                                    (λ ([orig-rt (current-readtable)]
+                                        #:outer-scope outer-scope
+                                        #:arg-str [arg-str (current-arg-string)])
+                                      (make-aful-readtable orig-rt
+                                                           #:outer-scope (λ (stx [mode 'flip]) stx)
+                                                           #:arg-str arg-str))
+                                    #:hygiene? #f)
           p-args)))
 
 (define (make-aful-readtable [orig-rt (current-readtable)]

aful/unhygienic/hygienic-reader-extension--extend-reader--unhygienic.rkt

@@ -0,0 +1,27 @@
+#lang racket
+
+;; Copied and adjusted from
+;; https://github.com/AlexKnauth/hygienic-reader-extension
+;;   /blob/master/hygienic-reader-extension/extend-reader.rkt
+
+(provide extend-reader-unhygienic)
+
+;; extend-reader : (-> (-> A ... Any)
+;;                     (-> Readtable #:outer-scope (-> Syntax Syntax) Readtable)
+;;                     (-> A ... Any))
+(define (extend-reader-unhygienic proc extend-readtable #:hygiene? [hygiene? #t])
+  (lambda args
+    (define orig-readtable (current-readtable))
+    (define outer-scope (make-syntax-introducer/use-site))
+    (parameterize ([current-readtable (extend-readtable orig-readtable #:outer-scope outer-scope)])
+      (define stx (apply proc args))
+      (if (and (syntax? stx) hygiene?)
+          (outer-scope stx)
+          stx))))
+
+;; make-syntax-introducer/use-site : (-> (-> Syntax Syntax))
+(define (make-syntax-introducer/use-site)
+  (cond [(procedure-arity-includes? make-syntax-introducer 1)
+         (make-syntax-introducer #t)]
+        [else
+         (make-syntax-introducer)]))