nathansobo/treetop — pull request #36 by boutil (2013-06-19 15:04:48+00:00)
Title: Use a Regexp compatible with Ruby1.8.

[[:^space:]] is not a valid Regexp character class for Ruby1.8. This patch changes it to the equivalent [^[:space:]].
This would solve https://github.com/nathansobo/treetop/issues/32 issue with specs.