From f272d54e49add8fcbc07d01e1bf60f77f4511a44 Mon Sep 17 00:00:00 2001
From: Chris Double <chris.double@double.co.nz>
Date: Fri, 18 Jan 2008 15:45:08 +1300
Subject: [PATCH] Allow dashes in non-terminal names

---
 extra/peg/ebnf/ebnf.factor | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extra/peg/ebnf/ebnf.factor b/extra/peg/ebnf/ebnf.factor
index 5343bb513b..520bf82c32 100644
--- a/extra/peg/ebnf/ebnf.factor
+++ b/extra/peg/ebnf/ebnf.factor
@@ -99,7 +99,7 @@ M: ebnf (generate-parser) ( ast -- id )
 DEFER: 'rhs'
 
 : 'non-terminal' ( -- parser )
-  CHAR: a CHAR: z range repeat1 [ >string <ebnf-non-terminal> ] action ;
+  CHAR: a CHAR: z range "-" token [ first ] action  2array choice repeat1 [ >string <ebnf-non-terminal> ] action ;
 
 : 'terminal' ( -- parser )
   "'" token hide [ CHAR: ' = not ] satisfy repeat1 "'" token hide 3array seq [ first >string <ebnf-terminal> ] action ;