Fix peg issues with recent factor changes

extra/peg/ebnf/ebnf.factor

@@ -170,7 +170,7 @@ DEFER: 'choice'
              [
                get-parser [
                  swap , \ in , \ get , \ create ,
-                 1quotation , \ define-compound , 
+                 1quotation , \ define , 
                ] [
                  drop
                ] if*

extra/peg/peg-docs.factor

@@ -1,6 +1,7 @@
 ! Copyright (C) 2007 Chris Double.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: help.markup help.syntax peg ;
+USING: help.markup help.syntax ;
+IN: peg
 
 HELP: parse
 { $values