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bug#31027: 27.0.50; xref, tags-location-ring equivalent

From: Dmitry Gutov
Subject: bug#31027: 27.0.50; xref, tags-location-ring equivalent
Date: Thu, 5 Apr 2018 01:14:14 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0

On 4/4/18 11:59 PM, Juri Linkov wrote:

Whether next-error-function is going to be local or not, is subject to
discussion, see https://debbugs.gnu.org/cgi/bugreport.cgi?bug=20489 and

I have a wish to close these overgrown bugreports and redesign this feature
from scratch ;)

The newer one is not so overgrown yet. I do wish we revert the part where next-error-function is buffer local, though, and then you could design this possibility as a user option. We discussed the approaches, but it comes out pretty complex no matter the way you look at it.

navigate to other "errors".  An "xref-location-ring" would be simpler.

What's simpler about that? You'd need some new commands to use it as
well, right?

Is the idea to use a ring of next-error capable buffers?
So that the next-error command in the current buffer
will return a list of all potentially next-error capable buffers
and allow the user to select the required one.

Umm, I don't think the request is anything so ambitious.

Charles has been asking for a ring to store the navigation locations visited by xref only.

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