bug#23611: generating pdf manuals fails with TeX capacity exceeded

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Date: Tue, 24 May 2016 13:38:01 -0400
> 
> Package: emacs
> Version: 25.0.94
> 
> Trying to make the pdf versions of the manuals on RHEL 7.2 fails for
> some of them (lispintro, bovine, semantic, srecode, tramp, wisent).
> It works if one uses the texinfo.tex from emacs-24. (I have often
> wondered if commits like 9c2a1a264cf418 are a good idea during
> pretesting.)

Did the previous version of texinfo.tex work for PDF?  If so, would it
work to revert to that previous version on emacs-25?

Thanks.