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From: Michael Heerdegen <michael_heerdegen@web.de>
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Subject: Re: Emacs 30.0 warning from `cl-pushnew' and `memql'
Date: Tue, 27 Dec 2022 11:28:13 +0100
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Emanuel Berg <incal@dataswamp.org> writes:

> After the last powerup I see this, it refers to a use of `cl-pushnew'.
>
>   Warning: `memql' called with literal string that may never match
>   (arg 1)

Yes, these new warnings hint at problematic calls.  In case of
cl-pushnew you want to specify a :test function to avoid comparing
strings with an inappropriate test function like the default memql.

Michael.