Lars Ingebrigtsen <larsi@gnus.org> writes:

> [...]
> Long term, it does seem like the best solution would be to have a
> separate mode for Raku, and not keep tweaking (c)perl-mode to add Raku
> features, I think.
>
> So backing out this change ('argument' etc) sounds like a good idea to
> me.

The attached patch removes the declarators and prefixes which are not in
Perl.

BTW: There is a Raku mode, maintained by the Raku team in their
repository on GitHub.
-- 
Cheers,
haj