GNU bug report logs - #50642
27.2; autoload xref-pulse-momentarily

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Howard Melman <hmelman <at> gmail.com>, 50642 <at> debbugs.gnu.org
Subject: bug#50642: 27.2; autoload xref-pulse-momentarily
Date: Sat, 18 Sep 2021 03:14:06 +0300

On 17.09.2021 17:43, Howard Melman wrote:
> I'm not sure about this but can xref-pulse-momentarily be
> autoloaded?
> 
> I'm using consult and it has a consult-after-jump-hook which
> recommends xref-pulse-momentarily as something you may want
> to use in it. I set it and xref-after-jump-hook to:
> '(reposition-window xref-pulse-momentarily).
> 
> It works great, but if I use consult before xref I get the error:
> run-hooks: Symbol's function definition is void: xref-pulse-momentarily
> If I add an autoload call myself it does not error.
> 
> I looked but didn't find a more suitable function to use.
> It seems like pulse.el should define a function suitable for
> use in a hook, but in its absense xref-pulse-momentarily
> does seem like the best option (though I couldn't follow its
> implementation).

Well, um. I don't really mind but xref-pulse-momentarily was designed to 
pulse after a jump to an xref location. That's why it refers to 
xref--current-item in its implementation.

It does fall back to pulsing the whole line, so I suppose it can be 
useful in other cases too.

But maybe Counsel wants to provide its own version of this function? It 
can call xref-pulse-momentarily after xref navigations, but maybe do 
some more useful fallbacks for other commands? I'm not sure which other 
kinds of jumps consult-after-jump-hook also handles.

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