Re: emacs-29 fb5d9ff559 1/2: Fix c-ts-mode defun movement (bug#59628)

[Yuan Fu]

> On Dec 1, 2022, at 7:30 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>>   ;; Navigation.
>>   (setq-local treesit-defun-type-regexp
>> -              (rx (or "specifier"
>> -                      "definition")))
>> +              (rx (or "function_definition"
>> +                      "type_definition"
>> +                      "struct_specifier"
>> +                      "enum_specifier"
>> +                      "union_specifier")))
> 
> Shouldn't we use regex-opt here?

I wasn’t aware of this function. Though it doesn’t seems to make a difference, 
I would expect it to transform the regex into something like

(rx (or (seq (or "function" "type") "_definition")
        (seq (or "struct" "enum" "union") "_specifier")))

Anyway, I changed it to use regexp-opt.

Yuan