GNU bug report logs - #62229
29.0.60; It's no longer possible to customize the xref ring size

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Spencer Baugh <sbaugh <at> janestreet.com>, 62229 <at> debbugs.gnu.org
Subject: bug#62229: 29.0.60; It's no longer possible to customize the xref ring size
Date: Fri, 17 Mar 2023 02:03:46 +0200

Hi!

On 17/03/2023 00:11, Spencer Baugh wrote:
> 
> Emacs 28 had the function xref-set-marker-ring-length and the
> customizable variable xref-marker-ring-length which allowed growing
> the amount of history kept by xref.
> 
> This feature has been lost in Emacs 29; that variable has been
> obsoleted with no replacement.
> 
> It's not clear, looking at the change, whether this is because the
> size is now infinite or not.  The same commit that obsoleted that
> variable added the similar tags-location-ring-length.  However that
> variable has no docstring, no customize hooks, and setting it has no
> effect unless tags-reset-tags-tables is called.
> 
> At the very least, all this should be documented better, and the
> obsoleting of this function and variable should be mentioned in NEWS.
> If the history is indeed infinite now, that should be mentioned in
> NEWS as well.

It is indeed infinite now, and limiting it would require additional effort.

Would you like to propose a patch for NEWS? I.e. describe it the way you 
prefer it had been described.

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