bug#63141: Incorrect indentation in csharp-mode

[Jen-Chieh Shen <jcs090218@gmail.com>]

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> Isn't this user preference that is customizable via c-offset-alist?

Yes, it is.

csharp-mode has the following:

```elisp
(c-add-style "csharp"
             '("java"
               (c-basic-offset . 4)
               (c-comment-only-line-offset . (0 . 0))
               (c-offsets-alist . ((inline-open           . 0)
                                   (arglist-intro         . +)
                                   (arglist-close         . 0)
                                   (inexpr-class          . 0)
                                   (case-label            . +)
                                   (cpp-macro             .
c-lineup-dont-change)
                                   (substatement-open     . 0)))))
```

I consider it an awkward indentation, so better to change the default
(change to the expected behavior).

On Fri, Apr 28, 2023 at 10:46 PM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Jen-Chieh Shen <jcs090218@gmail.com>
> > Date: Fri, 28 Apr 2023 12:26:00 -0700
> > Cc: Eli Zaretskii <eliz@gnu.org>, 63141@debbugs.gnu.org,
> jostein@kjonigsen.net
> >
> > Another indentation issue:
> >
> > ```csharp
> >
> > namespace UnityEditor.Accessibility
> > {
> >     internal enum ColorBlindCondition
> >         {
> >             Default,
> >             Deuteranopia,
> >             Protanopia,
> >             Tritanopia,
> >         }
> > }
> > ```
> >
> > expected behavior:
> >
> > ```csharp
> > namespace UnityEditor.Accessibility
> > {
> >     internal enum ColorBlindCondition
> >     {
> >         Default,
> >         Deuteranopia,
> >         Protanopia,
> >         Tritanopia,
> >     }
> > }
> > ```
> >
> > Not sure if this is a feature or a bug.
>
> Isn't this user preference that is customizable via c-offset-alist?
>

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