bug#59490: 29.0.50; Add C# support

[Yuan Fu]

> On Nov 23, 2022, at 1:25 PM, Theodor Thornhill <theo@thornhill.no> wrote:
> 
> 
> 
> On 23 November 2022 22:19:21 CET, Yuan Fu <casouri@gmail.com> wrote:
>> 
>> 
>>> 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.
> 
> Yep, that was unclear. I decided to skip it in the second patch :)
> 
>> 
>> 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
>> 
> 
> That's correct. That's a typo. My bad :) make it csharp-mode. You want a new 
> patch?

I applied the patch with that change :-)

Yuan