bug#70378: [PATCH] Make "locating previews..." message configurable

[Paul Nelson]

Hello,

This patch makes the "locating previews..." message displayed by
preview-parse-messages configurable via a variable.

The motivation is that the package
https://github.com/ultronozm/czm-preview.el has a minor mode that
calls preview-region on a timer.  That package advises
preview-parse-messages not to display the message in question, so as
not to spam the user.  This patch would allow that package to get rid
of the advice, by setting the variable to nil.  Solutions via
"inhibit-message" do not seem to work here, because
preview-parse-messages is called by preview's internal sentinel.  I
would welcome any suggestions for more elegant solutions.
(Personally, I feel that the message adds little and could just as
well be removed altogether, but perhaps others feel differently.)

Thanks, best,

Paul

0001-Make-locating-previews.-message-configurable.patch
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