Tweak what EBNF words are private

basis/peg/ebnf/ebnf.factor

@@ -10,14 +10,14 @@ FROM: compiler.units => with-compilation-unit ;
 FROM: vocabs.parser => search ;
 IN: peg.ebnf
 
-<PRIVATE
-
 : rule ( name word -- parser )
   #! Given an EBNF word produced from EBNF: return the EBNF rule
   "ebnf-parser" word-prop at ;
 
 ERROR: no-rule rule parser ;
 
+<PRIVATE
+
 : lookup-rule ( rule parser -- rule' )
     2dup rule [ 2nip ] [ no-rule ] if* ;