Re: Texinfo 7.1 released

[Eli Zaretskii]

> Date: Sun, 22 Oct 2023 17:30:15 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: bug-texinfo@gnu.org
> 
> > From: Gavin Smith <gavinsmith0123@gmail.com>
> > Date: Sun, 22 Oct 2023 14:23:53 +0100
> > Cc: bug-texinfo@gnu.org
> > 
> > > > First, check that the Perl extension modules are actually being used.  
> > > > Try
> > > > setting the TEXINFO_XS environment variable to "require" or "debug".
> > > 
> > > I don't need to do that, I already verified that extensions are used
> > > when I worked on the pretests (which, as you might remember, caused
> > > Perl to crash at first).
> > 
> > I'd expected so, just wanted to make sure.
> 
> Surprise: running with TEXINFO_XS=omit _reduces_ the elapsed time of
> producing the Emacs ELisp manual from 1:21.16 to 0:36.97.

Another data point: running with TEXINFO_XS_PARSER=0 takes 1:34.4 min,
so it sounds like the slowdown is due to some XS module other than the
parser module.  Is there a way to disable additional modules one by
one?