A lot of "DrScheme" -> "DrRacket"s.

original commit: de0cc7771b3f4be098cfa30e552f0acad3436a0e

collects/parser-tools/info.rkt

@@ -1,5 +1,5 @@
 #lang setup/infotab
 
-(define compile-omit-paths '("private-lex/error-tests.ss"))
+(define compile-omit-paths '("private-lex/error-tests.rkt"))
 
 (define scribblings '(("parser-tools.scrbl" (multi-page) (parsing-library))))

collects/parser-tools/parser-tools.scrbl

@@ -276,7 +276,7 @@ error.}
 
  A parameter that the lexer uses as the source location if it
  raises a @scheme[exn:fail:rad] error.  Setting this parameter allows
- DrScheme, for example, to open the file containing the error.}
+ DrRacket, for example, to open the file containing the error.}
 
 
 @; ----------------------------------------

collects/parser-tools/private-lex/error-tests.rkt

@@ -1,7 +1,7 @@
 #lang scheme/base
 (require (for-syntax scheme/base)
          "../lex.ss"
-         schemeunit)
+         racunit)
 
 (define-syntax (catch-syn-error stx)
   (syntax-case stx ()