Re: segmentation fault in Info's regexp search when typing backslash

[Gavin Smith]

On Wed, Jul 05, 2017 at 06:38:06AM +0200, Marco Maggi wrote:
> Hello,
> 
>   I'm on a x86_64-slackware-linux-gnu, running Texinfo 6.4:
> 
>    $ info --version
>    info (GNU texinfo) 6.4
> 
> while  reading  a  file  with  info,  no matter  which  file,  I  get  a
> segmentation  fault when  typing C-s  \, which  is the  command entering
> "Regexp I-search" followed by a backslash:
> 
>   regexp error: Trailing backslashSegmentation fault
> 
> I can say that it does not happen when using Info 6.1.

Thank you for the report.  I confirmed the error and committed a fix to 
the development sources.  This error was introduced with Texinfo 6.4 due
to changes in the code made around searching.  Future releases of 
Texinfo will work properly in this area.