bug#52102: 29.0.50; Build failure in doc/lispref/display.texi

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Date: Thu, 25 Nov 2021 13:58:01 +0100
> Cc: 52102@debbugs.gnu.org
> 
>     Horst> /home/vonbrand/tmp/emacs/doc/lispref/display.texi:2055: @group 
> invalid in conte
>     Horst> xt where filling is enabled.
>     Horst> @group ...lid in context where filling is enabled}
>     Horst>                                                   @fi 
> @startsavinginserts @s...
>     Horst> l.2055 @group
>              
>     Horst> ? 
>     Horst> /home/vonbrand/tmp/emacs/doc/lispref/display.texi:2055: Emergency 
> stop.
>     Horst> @group ...lid in context where filling is enabled}
>     Horst>                                                   @fi 
> @startsavinginserts @s...
>     Horst> l.2055 @group
>              
>     Horst> Output written on elisp.dvi (1096 pages, 4170096 bytes).
>     Horst> Transcript written on elisp.log.
>     Horst> /usr/bin/texi2dvi: etex exited with bad status, quitting.
>     Horst> make[1]: *** [Makefile:150: elisp.dvi] Error 1
>     Horst> make[1]: Leaving directory '/home/vonbrand/tmp/emacs/doc/lispref'
>     Horst> make: *** [Makefile:1084: install-lispref-dvi] Error 2
> 
> Does this fix it? Eli, emacs-28 has the same issue.

Please fix this on the release branch, and thanks.

I wonder why it doesn't fail here.  What version of Texinfo is the one
that barfs?  I have the latest Texinfo 6.8, FTR.