Subject: Re: bug#72814: 31.0.50; Add a variable controlling doxygen support in C/C++/Java?

From: Eli Zaretskii <[email-masked]>
Date: Wed, 11 Sep 2024 15:05:10 +0300

> From: Vincenzo Pupillo <[email-masked]>
> Cc: Bug Report Emacs <[email-masked]>, [email-masked]
> Date: Wed, 11 Sep 2024 11:40:17 +0200
> 
> > Thanks for taking this up! I won’t signal a warning if doxygen grammar isn’t found. Imagine a user without doxygen grammar, and din’t change c-ts-mode-enable-doxygen: they’ll get a warning whenever they open a C file. 
> > We should either set c-ts-mode-enable-doxygen to nil by default, or not warn when doxygen grammar doesn’t exist. Otherwise, the patch looks good to me.
> 
> Okay, fine. But Eli said something different...

Not necessarily.  All I said was "issue a user-friendly diagnostic".
We could output the message into *Messages*, and do it only once per
Emacs session.