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

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Message #218 received at 53749 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Arash Esbati <arash <at> gnu.org>
Cc: 53749 <at> debbugs.gnu.org, Ikumi Keita <ikumi <at> ikumi.que.jp>,
 Dmitry Gutov <dgutov <at> yandex.ru>, David Fussner <dfussner <at> googlemail.com>,
 stefankangas <at> gmail.com, Tassilo Horn <tsdh <at> gnu.org>,
 Eli Zaretskii <eliz <at> gnu.org>
Subject: Re: bug#53749: 29.0.50; [PATCH] Xref backend for TeX buffers
Date: Sat, 04 May 2024 10:54:46 -0400

> FWIW, I'm not sure if there is an URL for that, but in interface3.pdf,
> chap.1, you'll find:
[...]
> So expect things like this:
>
>     \tl_set:Nn \l_mya_tl { A }
>     \tl_set:Nn \l_myb_tl { B }
>     \tl_set:Nf \l_mya_tl { \l_mya_tl \l_myb_tl }

But that is *also* valid LaTeX, with a different meaning (i.e. where
`_` has its subscript meaning).  So we need some other info in order to
know which of the two we're dealing with.

Maybe that info is simply "assume LaTeX3 if the _ is followed by several
letters" or some such heuristic, but the comment should say so.


        Stefan

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