From 1310911e1f90ee47d947873887847d85d27b75bf Mon Sep 17 00:00:00 2001
From: Erik Osheim <eosheim@osheim.org>
Date: Mon, 27 Jul 2009 14:41:27 -0400
Subject: [PATCH] fix lazy-pattern-rule bug

--HG--
branch : pmacs2
---
 lex.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lex.py b/lex.py
index a25d4a5..94f98da 100755
--- a/lex.py
+++ b/lex.py
@@ -207,7 +207,10 @@ class LazyPatternRule(Rule):
         self.pattern = pattern
         self.d       = {}
     def _compile(self, d):
-        self.re = re.compile(self.pattern % d, self.reflags)
+        try:
+            self.re = re.compile(self.pattern % d, self.reflags)
+        except:
+            self.re = re.compile(self.pattern)
         self.d  = d
     def match(self, lexer, parent):
         if self.d != parent.matchd: