Re: TAGS completion with (setq-local completion-ignore-case t)

[Eli Zaretskii]

> From: Morgan Willcock <morgan@ice9.digital>
> Cc: emacs-devel@gnu.org
> Date: Sat, 09 Mar 2024 14:57:47 +0000
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Why exactly do you need to have a buffer-local value of
> > completion-ignore-case?  This is not a user option, and is meant to be
> > either set globally or let-bound for specific code.
> 
> I was using it as a configuration example for a major-mode setup hook,
> where the language itself is not case-sensitive, but completions through
> capf functions (including TAG completion) can be displayed and inserted
> in mixed case.
> 
> Is there a supported way to have user configurable case-insensitive
> completion that is configured per major mode?

use the user options specific for each type of completion, I'd say.
For TAGS that's tags-case-fold-search; for file names that's
read-file-name-completion-ignore-case; for buffers its
read-buffer-completion-ignore-case.  And there may be others.

Stefan, any better ideas?