GNU bug report logs - #64516
[PATCH] docview: Only enable imenu when supported

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From: Morgan Smith <Morgan.J.Smith <at> outlook.com>
To: Tassilo Horn <tsdh <at> gnu.org>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 64516 <at> debbugs.gnu.org, jao <at> gnu.org
Subject: bug#64516: [PATCH] docview: Only enable imenu when supported
Date: Tue, 11 Jul 2023 14:22:49 -0400

[0001-docview-imenu-check-return-value-of-mutool.patch (text/x-patch, attachment)]

[Message part 2 (text/plain, inline)]

Hello,

I apologize for my "oops I figured it out immediately after I sent the
email" syndrome.  I was trying to find the answer in the bug reports
when the answer was in the code and quite obvious.

Anyways here is a patch that unconditionally enables imenu but checks
the return value of mutool and will raise an imenu-unavailable-error
when it is not successful.  However, that error stops docview from
displaying the document so I decided to put the setup function in a hook
so the error occurs after the document is displayed.

I looked briefly for documentation on how errors work in hooks but could
not find any.  I don't want this error to prevent the other hooks from
being run (which would be user defined hooks.  we don't currently use
this hook).

Thanks,

Morgan

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