Tim Ruffing <d...@real-or-random.org> writes:
> With (default) settings
>
> (setq reftex-initialize-temporary-buffers nil)
> (setq reftex-keep-temporary-buffers 1)
>
> assume you call (reftex-get-bibfile-list) in a chapter.tex buffer but
> there's no buffer yet for the main file main.tex that looks like this:
>
> \documentclass{standalone}
> \usepackage{biblatex}
> \addbibresource{1.bib}
> \addbibresource{2.bib}
> \begin{document}
> \input{chapter.tex}
> \end{document}
Is this with AUCTeX? I'm asking because AUCTeX opens the master file in
the background when you visit a subfile. So your chapter.tex should
look like this:
--8<---------------cut here---------------start------------->8---
Content of chapter.tex
%%% Local Variables:
%%% mode: LaTeX
%%% TeX-master: "main.tex"
%%% End:
--8<---------------cut here---------------end--------------->8---
> Then reftex-get-bibfile-list will return only the first bib file but it
> is supposed to return both bib files.
>
> The problem is that reftex-locate-bibliography-files tries to figure
> out whether biblatex is used, i.e., whether it needs to continue
> searching after the first bibliography command. It does so (also) in
> main.tex, which has beem opened only as a temp buffer in fundamental
> mode.
Can you come up with couple of minimal files and an exact recipe how to
do this? In my case, main.tex if opened, see above.
> Whether biblatex is used is determined in reftex-using-biblatex-p,
> which relies on the value of TeX-active-styles if (boundp
> 'TeX-active-styles).
>
> But the latter is the wrong condition: (boundp 'TeX-active-styles) is
> true in fundamental mode because 'Tex-active-styles has a (global)
> binding of nil.
>
> Replacing
> (boundp 'TeX-active-styles)
> by
> (local-variable-p 'TeX-active-styles)
> fixes this check for me.
I think the correct fix is to replace (boundp 'TeX-active-styles) with:
(and (fboundp 'TeX-style-list)
(TeX-style-list))
> Then reftex-using-biblatex-p will fall back on a "poor-man's check"
> (according to the comment in the code), which looks for
> \usepackage{biblatex} using some regex.
>
> I think this logic is broken. Whether biblatex is used or not should
> not be judged in each file of a multifile document separately. Either
> the entire document uses biblatex, or it doesn't. As a result,
> replacing boundp by local-variable-p is only my second best suggestion.
I'm not sure I follow: `TeX-style-list' returns all active styles for
the entire document, the test is done on a per file basis, but the final
result goes for the entire document.
> My best suggestion is to get rid of reftex-using-biblatex-p entirely,
> and assume it's always true.
I'm not convinced yet that this a good idea. The way around, the
current code is in place for >25 years now and the number of complaints
were low :-)
Best, Arash
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