added hack to allow some comments in LP

svn: r14875

original commit: a1f9a6f1abc5dc278fbe43b25d9d7c547665f1c6

collects/scribble/lp/lang/lang.ss

@@ -6,6 +6,14 @@
 (require (for-syntax scheme/base syntax/boundmap scheme/list syntax/kerncase
                      syntax/strip-context))
 
+;; --- MF: bad hack for getting rid of comments
+(provide code:comment)
+(define-syntax (code:comment stx)
+  (if (eq? (syntax-local-context) 'expression)
+      (syntax (void))
+      (syntax (define (f x) x))))
+;; --- MF
+
 (begin-for-syntax
   (define first-id #f)
   (define main-id #f)