On Sat, Oct 22, 2022 at 01:38:29PM +0200, Damien Mattei wrote:
> hello,
> 
> i have a macro to 'define procedures in Scheme called 'def (like in Python)
> and i want the emacs scheme mode to highlight 'def the ways it is for
> 'define, how can i do that?

I think you'll have to change `scheme-font-lock-keywords-1' in scheme-mode.el

Perhaps in an "eval-after-load".

Cheers
-- 
t