bug#59490: 29.0.50; Add C# support

[Yuan Fu]

> On Nov 23, 2022, at 12:43 PM, Theodor Thornhill <theo@thornhill.no> wrote:
> 
> 
> 
> On 23 November 2022 21:38:19 CET, Yuan Fu <casouri@gmail.com> wrote:
>> 
>> Yuan Fu <casouri@gmail.com> writes:
>> 
>>> Eli Zaretskii <eliz@gnu.org> writes:
>>> 
>>>>> Date: Tue, 22 Nov 2022 22:47:12 +0100
>>>>> From:  Theodor Thornhill via "Bug reports for GNU Emacs,
>>>>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>>>>> 
>>>>> Ok so this works.
>>>>> 
>>>>> Sorry for the mess.
>>>>> 
>>>>> What do you think?
>>>> 
>>>> LGTM, thanks.  I'll let Yuan review and install.
>>> 
>>> Thanks Theo! I’ve merged it. One general comment is that we should have
>>> a "standard" list of features consistent across major modes. I think by
>>> now we’ve worked on font-lock enough to know what those features should
>>> be. I’ll start a discussion on the ML.
>> 
>> Actually, another thing: it seems the mode defined is still named
>> csharp-mode rather than csharp-cc-mode.
>> 
>> Yuan
> 
> Yeah that's right. Imo that's ok, because it's unlikely there will be much 
> new development on the cc mode variant. So it will be identical to the 
> upstream one, and the upstream one will be marked as deprecated very soon.
> 
> What do you think?

Yeah I was just confused because you said

> I made two new modes, 'csharp-cc-mode' and 'csharp-ts-mode'. The cc-mode
> variant has that name as to not conflict with the ELPA package.

And I only see csharp-mode.

So the mode we provide in Emacs are csharp-mode and csharp-ts-mode? Then I 
assume this line is a typo?

;;;###autoload
(add-to-list 'auto-mode-alist '("\\.cs\\'" . csharp-cc-mode))

Yuan