bug#52126: Problematic characters in info node names

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Fri, 26 Nov 2021 16:24:15 +0100
> 
> admin/release-process says:
> 
> ** Manuals
> Check for node names using problematic characters:
>   find doc -name '*.texi' -exec grep '^@node[^,]*[:.()]' {} +
> Sadly makeinfo does not warn about such characters.
> 
> Running that gives me some matches:

Please report to the respective developers, but other than that, we
don't care too much.  It isn't a grave problem, and in practice slmost
never causes any trouble.

> However, there are no instructions for what to do about these cases.

There cannot be any instructions, since the manual authors should
rewrite the relevant parts not to use those characters, if possible.

Thanks.