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bug#33114: 25.2; Emacs hangs on closing a perenthesis in a regexp in cpe


From: Eli Zaretskii
Subject: bug#33114: 25.2; Emacs hangs on closing a perenthesis in a regexp in cperl mode
Date: Thu, 25 Oct 2018 17:59:10 +0300

> Date: Thu, 25 Oct 2018 13:21:17 +0200
> From: Vincent Lefevre <address@hidden>
> Cc: address@hidden
> 
> > > 1. Open it with "emacs -Q".
> > > 2. Put the cursor just after the opening parenthesis.
> > > 3. Type ')' (closing parenthesis).
> > > 
> > > This makes Emacs hang. A C-g alone has no effect. Several C-g in a row
> > > may give the control back to the user.
> > 
> > Does the patch below produce good results?  (I don't use CPerl mode,
> > so I don't know if the highlighting after the change is correct.)
> 
> Thanks, this solves the hang problem, and the highlighting still
> seems to be correct.

Thanks, pushed to the emacs-26 branch.

> Note that there is still a bug: I get an error
> 
>   End of ‘s/ ... // ... /’ string/RE not found: (scan-error Unbalanced 
> parentheses 26 29)
> 
> but I already got this error without the patch under conditions

Yes, I think this is a separate issue.





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