shinh/sedlisp — pull request #2 by troydj (2014-06-28 04:17:16+00:00)
Title: Fix "unterminated `y' command" errors which happens when running GNU sed

versions between 4.0.9 (approximate) and 4.1.5. Escaping the square brackets
within the y command prevents the problem altogether. See the following links
for more information on the y command bug:

http://osdir.com/ml/editors.sed.user/2006-02/msg00012.html
http://osdir.com/ml/editors.sed.user/2006-02/msg00013.html