Re: toml-ts-mode: first draft

[Eli Zaretskii]

> From: Rudolf Schlatte <rudi@constantly.at>
> Date: Tue, 13 Dec 2022 11:45:42 +0100
> 
> Yuan Fu <casouri@gmail.com> writes:
> 
> >
> > +  (unless (treesit-ready-p 'toml)
> > +    (error "Tree-sitter for TOML isn't avilable”))
> >
> > Treesit-ready-p already raises a warning when something goes wrong. So
> > you want to either pass the QUIET argument or let it do the barking
> > ;-)
> 
> I'd expect predicates (functions ending -p) to return T or NIL only and
> not have side effects.

Did you read the doc string of this function?  I think it explains why
this predicate can sometimes emit a warning and sometimes not.  It has
more than one modus operandi.