Subject: Re: bug#7161: 23.2; M-x highlight-phrase RET [[:space:]] RET --error--> Invalid regexp: "Invalid character class name"

From: Glenn Morris <[email-masked]>
Date: Sat, 06 Oct 2012 20:29:39 -0400

Version: 24.3

Sorry for the delay. The problem is due to hi-lock-process-phrase, which
tries to do various transformations on interactive input. I've tried to
improve it, so it now handles your example. But I think it might be
better to just get rid of it altogether (and use case-fold-search and
search-spaces-regexp instead).