GNU bug report logs - #21259
Regex of (this)pagestyle in TeX-complete-list

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Message #10 received at 21259-done <at> debbugs.gnu.org (full text, mbox):

From: Mosè Giordano <mose <at> gnu.org>
To: Arash Esbati <esbati <at> gmx.de>
Cc: 21259-done <at> debbugs.gnu.org
Subject: Re: bug#21259: Regex of (this)pagestyle in TeX-complete-list
Date: Sat, 15 Aug 2015 15:19:22 +0200

Hi Arash,

2015-08-14 21:32 GMT+02:00 Arash Esbati <esbati <at> gmx.de>:
> Hi all,
>
> if I start emacs with `emacs --eval '(setq debug-on-error t)' &' type
> the following a tex file:
>
>     \thispagestyle{`C-M-i'
>
> I get this error:
>
> --8<---------------cut here---------------start------------->8---
> Debugger entered--Lisp error: (error "Can't find completion for \"\\thispagestyle{\"")
>   signal(error ("Can't find completion for \"\\thispagestyle{\""))
>   error("Can't find completion for \"%s\"" "\\thispagestyle{")
>   TeX-complete-symbol()
>   call-interactively(TeX-complete-symbol nil nil)
>   command-execute(TeX-complete-symbol)
> --8<---------------cut here---------------end--------------->8---
>
> It is due to a bug in the definition of `TeX-complete-list' in
> `latex.el' (line 5913):
>
> --8<---------------cut here---------------start------------->8---
> (setq TeX-complete-list
>       (append '(;; snipped
>                 ("\\\\\\(this\\)?pagestyle{\\([A-Za-z]*\\)"
>                  1 LaTeX-pagestyle-list "}"))
>                 TeX-complete-list))
> --8<---------------cut here---------------end--------------->8---
>
> The number refers to the wrong subgroup in the regex.  There are two
> ways to fix this: Make `\\(this\\)' a shy-group or replace `1' with `2'.
>
> Please find attached a patch going the second route since it looks more
> coherent to the rest of definitions in `TeX-complete-list'.

Agreed.  Patch installed, thanks!

Bye,
Mosè

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