bug#12168: Subject: 24.1; highlight-regexp not working in v24

[Chong Yidong]

Eli Zaretskii <eliz@gnu.org> writes:

>> I noticed that I get different behavior with highlight-regexp in emacs
>> 24.1.1 than in 23. Loading the file below, the text that is in the file
>> when it loads will be highlighted in the correct color, but typing new
>> text will not highlight. In the previous version the highlighting would
>> update dynamically as you type.
>> 
>> This is the windows version running under exactly the same
>> environment. If I switch back to 23 it's fine.
>
> For me, it doesn't work in Emacs 23.3, either.  But it does work in
> Emacs 23.2.  So the change that broke this was in between those 2
> versions, not in Emacs 24.

I've committed a fix to trunk.