GNU bug report logs - #53749
29.0.50; [PATCH] Xref backend for TeX buffers

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Message #68 received at 53749 <at> debbugs.gnu.org (full text, mbox):

From: Arash Esbati <arash <at> gnu.org>
To: Augusto Stoffel <arstoffel <at> gmail.com>
Cc: 53749 <at> debbugs.gnu.org, David Fussner <dfussner <at> googlemail.com>
Subject: Re: bug#53749: 29.0.50; [PATCH] Xref backend for TeX buffers
Date: Sun, 27 Feb 2022 19:42:55 +0100

Augusto Stoffel <arstoffel <at> gmail.com> writes:

> If you type \label{something}, as opposed to using the RefTeX command
> to add a label (or if you edit the label by hand) then RefTeX will not
> reparse the document and get out of sync.

If you know the known labels to RefTeX are out of sync, you can issue
`C-c )' with a prefix argument:

,----[ C-h f reftex-reference RET ]
| reftex-reference is an interactive native compiled Lisp function in
| ‘reftex-ref.el’.
| 
| (reftex-reference &optional TYPE NO-INSERT CUT)
| 
| Make a LaTeX reference.  Look only for labels of a certain TYPE.
| With prefix arg, force to rescan buffer for labels.  This should only be
| necessary if you have recently entered labels yourself without using
| reftex-label.  Rescanning of the buffer can also be requested from the
| label selection menu.
| The function returns the selected label or nil.
| If NO-INSERT is non-nil, do not insert \ref command, just return label.
| When called with 2 C-u prefix args, disable magic word recognition.
| 
|   Probably introduced at or before Emacs version 20.1.
| 
`----

Or in the labels *RefTeX select* buffer, you have these choices:

 r / C-u r  Reparse document / Reparse entire document.

I usually hit r when I don't find the label I'm looking for.

> Or at least that was the case when I still used RefTeX.  So it might
> be worth considering some cache invalidation scheme there.

The question is if it's worth the effort where a remedy is already in
place.

Best, Arash

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