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Re: making xref.el a core ELPA package

From: João Távora
Subject: Re: making xref.el a core ELPA package
Date: Thu, 27 Dec 2018 21:41:12 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Juri Linkov <address@hidden> writes:

>> Unfortunately, I just tested with 26.1 and no go.  It doesn't have
>> next-error-found :-(  This is the commit:
>>     commit 0c9e3df3c2088b61feb4b4e00d24419459962273
>>     Author: Juri Linkov <address@hidden>
>>     Date:   Tue Apr 17 22:27:48 2018 +0300
>>         Use next-error-found to set next-error-last-buffer.
> It's a big surprise to me that xref is a standalone package.

There is a misunderstanding here.  It's not, but I am proposing that it
become a semi-standlone pacakge.

> I thought it's simply a better replacement of the old find-tag.

It is.

>> Either:
>> * we revert this (I believe we shouldn't)
>> * we use some indirection that is a no-op in 26.1
> Sure, you could add some conditionals to support older versions.

It's kinda lame to do this in a file that is in Emacs core, but if the
others accept and it's a one-time well-documented thing, fine by be.  A
proper indirection (hook/function variable) would be better, but not
really justified by this one use case.


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