From f7f346e6ee256bd916596a480e46bd36763ed662 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Thu, 22 Apr 2010 20:53:18 -0400
Subject: [PATCH] Expanded SCons.Scanner.LaTeX.comment_re to not break on \%

---
 src/engine/SCons/Scanner/LaTeX.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engine/SCons/Scanner/LaTeX.py b/src/engine/SCons/Scanner/LaTeX.py
index 6969d2be..fcf237e9 100644
--- a/src/engine/SCons/Scanner/LaTeX.py
+++ b/src/engine/SCons/Scanner/LaTeX.py
@@ -175,7 +175,7 @@ class LaTeX(SCons.Scanner.Base):
         # lines), interfering with a match on the next line.
         regex = r'^[^%\n]*\\(include|includegraphics(?:\[[^\]]+\])?|lstinputlisting(?:\[[^\]]+\])?|input|bibliography|usepackage){([^}]*)}'
         self.cre = re.compile(regex, re.M)
-        self.comment_re = re.compile(r'^([^%\n]*)(.*)$', re.M)
+        self.comment_re = re.compile(r'^((?:(?:\\%)|[^%\n])*)(.*)$', re.M)
 
         self.graphics_extensions = graphics_extensions
 
-- 
2.26.2