bug#67709: 29.1.50; [patch] missing indent rule for parameter list in csharp-ts-mode

[Eli Zaretskii <eliz@gnu.org>]

> From: Jacob Leeming <jacobtophatleeming@gmail.com>
> Date: Fri, 8 Dec 2023 13:44:14 +0000
> 
> >From emacs -Q:
> 
> Evaluate this elisp to set up treesitter for csharp:
> 
> (setq treesit-language-source-alist '((c-sharp
> "https://github.com/tree-sitter/tree-sitter-c-sharp" "master" "src"))
>       treesit-load-name-override-list '((c-sharp
> "libtree-sitter-csharp" "tree_sitter_c_sharp"))
>       major-mode-remap-alist '((csharp-mode . csharp-ts-mode)))
> 
> Insert the following text into a csharp-ts-mode buffer:
> 
> void ExampleFunction(
>     int arg1,
>   int arg2,
>  int arg3,
> int arg4,
>     int arg5
> )
> {
>     Console.WriteLine(arg1);
> }
> 
> Try to indent the parameters of the function with
> indent-for-tab-command. Nothing will happen.
> 
> This issue can be fixed with the following patch:
> 
> 
> 
> diff --git a/lisp/progmodes/csharp-mode.el b/lisp/progmodes/csharp-mode.el
> index 53c52e6..8cc4e95 100644
> --- a/lisp/progmodes/csharp-mode.el
> +++ b/lisp/progmodes/csharp-mode.el
> @@ -704,7 +704,8 @@ csharp-ts-mode--indent-rules
>       ((parent-is "object_type") parent-bol csharp-ts-mode-indent-offset)
>       ((parent-is "enum_body") parent-bol csharp-ts-mode-indent-offset)
>       ((parent-is "arrow_function") parent-bol csharp-ts-mode-indent-offset)
> -     ((parent-is "parenthesized_expression") parent-bol
> csharp-ts-mode-indent-offset))))
> +     ((parent-is "parenthesized_expression") parent-bol
> csharp-ts-mode-indent-offset)
> +     ((parent-is "parameter_list") parent-bol csharp-ts-mode-indent-offset))))
> 
>  (defvar csharp-ts-mode--keywords
>    '("using" "namespace" "class" "if" "else" "throw" "new" "for"

Theo, any comments?  Should I install this?

Thanks.