classname gets flipped when followed by a comma

What steps will reproduce the problem?
1. run test case '.my_content .left_column .box .box_1,' 

What is the expected output? What do you see instead?
The expected output is '.my_content .left_column .box .box_1,'
I see '.my_content .right_column .box .box_1,' instead.

What version of the product are you using? On what operating system?
version r27 in unix

Please provide any additional information below.
LOOKAHEAD_NOT_OPEN_BRACE = (r'(?!(?:%s|%s|%s|#|\:|\.|\,|\+|>)*?(\,|{))' % 
csslex.NMCHAR, 
TOKEN_LINES, csslex.SPACE))

Original issue reported on code.google.com by Arcee...@gmail.com on 1 Dec 2009 at 7:48

nightwish65 / cssjanus

classname gets flipped when followed by a comma #14