twitter/twitter-text-rb — pull request #41 by keitaf (2012-02-18 01:07:41+00:00)
Title: Manually specify Punctuation/Space/Control characters based in POSIX.

It turned out that the conformance test fails on ruby 1.9 because Regex /[[:punct:]]/ does not match '$' character. As a fix, this manually specifies punctuation/space/control characters based on POSIX.