From b7fe5ee929ae41f3fe78ac7fc796e0eb1634e2e5 Mon Sep 17 00:00:00 2001
From: Tim Warburton <timwar@caam.rice.edu>
Date: Wed, 2 Nov 2011 03:19:18 -0500
Subject: [PATCH] Allow '@' in identifiers.

---
 pymbolic/parser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pymbolic/parser.py b/pymbolic/parser.py
index 3347665..9a067df 100644
--- a/pymbolic/parser.py
+++ b/pymbolic/parser.py
@@ -34,7 +34,7 @@ _LEX_TABLE = [
     (_closepar, pytools.lex.RE(r"\)")),
     (_openbracket, pytools.lex.RE(r"\[")),
     (_closebracket, pytools.lex.RE(r"\]")),
-    (_identifier, pytools.lex.RE(r"[a-z_A-Z_][a-zA-Z_0-9]*")),
+    (_identifier, pytools.lex.RE(r"[@a-z_A-Z_][@a-zA-Z_0-9]*")),
     (_whitespace, pytools.lex.RE("[ \n\t]*")),
     (_comma, pytools.lex.RE(",")),
     (_dot, pytools.lex.RE(r"\.")),
-- 
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