bug#59816: [PATCH]: bug#59816: 29.0.60; c++-ts-mode handles one-line comments badly

[Theodor Thornhill via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Theodor Thornhill <theo@thornhill.no>
>> Cc: geza.herman@gmail.com, eliz@gnu.org
>> Date: Mon, 05 Dec 2022 13:44:49 +0100
>> 
>> You're right.  This is my bad.  This patch addresses it.  What do you
>> think, Eli?
>
> I'll defer to people who know more than I do about these modes.
>

Sure, added Yuan to CC.

>> BTW - I see that many modes in general don't refer to their
>> syntax-tables in their define-derived-mode form.  Is that intentional?
>
> The ELisp manual says:
>
>  -- Macro: define-derived-mode variant parent name docstring
>           keyword-args... body...
>      This macro defines VARIANT as a major mode command, using NAME as
>      the string form of the mode name.  VARIANT and PARENT should be
>      unquoted symbols.
>
>      The new command VARIANT is defined to call the function PARENT,
>      then override certain aspects of that parent mode:
>
>         [...]
>
>         • The new mode has its own syntax table, kept in the variable
>           ‘VARIANT-syntax-table’, unless you override this using the
>           ‘:syntax-table’ keyword (see below).  ‘define-derived-mode’
>           makes the parent mode’s syntax-table the parent of
>           ‘VARIANT-syntax-table’, unless the latter is already set and
>           already has a parent different from the standard syntax table.
>
> So there's no need to mention it because it happens automatically.

Right, thanks!

Can you test this patch, Herman, and see if it works for you now?

Theo