bug#62072: 29.0.60; tree-sitter interferes with Custom

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Po Lu <luangruo@yahoo.com>
>> Cc: 62072@debbugs.gnu.org
>> Date: Thu, 09 Mar 2023 21:29:50 +0800
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > I already tried with ruby: I renamed the grammar library to another
>> > name, but I don't see any warnings.  That's why I asked.
>> 
>> That's odd... are you sure you don't have another Ruby library somewhere
>> else?
>
> Yes, because "M-x ruby-ts-mode RET" does complain aboiut the missing
> library.

That's odd.  I will do a make bootstrap and ack.

> No, not necessarily.

Why?