Ralf Angeli <[email protected]> writes:
Hi Ralf,
> Sorry, but I still cannot reproduce the problem. I used the following
> file as a minimal example together with `emacs -Q -l auctex':
>
> \documentclass{article}
> \begin{document}
> foo
> \end{document}
>
> %%% Local Variables:
> %%% mode: latex
> %%% TeX-master: t
> %%% TeX-PDF-mode: t
> %%% TeX-source-correlate-mode: t
> %%% TeX-engine: xetex
> %%% TeX-view-program-selection: ((output-html "xdg-open") (output-pdf
> "Evince") (output-dvi "Evince")))
> %%% End:
Hm, with "normal" emacs that hangs for me, too. But with emacs -Q and
then loading the auctex el files in the elpa directory using dired
doesn't have that issue. There, I get the evince command fully expanded
with no hang.
>> Here's the backtrace:
>>
>> Debugger entered--Lisp error: (quit)
>> call-process("synctex" nil (#<buffer *string-output*> nil) nil "view"
>> "-i" "18:0:transformation-diss.tex" "-o" "transformation-diss.pdf")
>
> Looks like the call to synctex is hanging. What happens if you call
> synctex in the directory directly from a terminal with the following
> command line?
>
> syntex view -i 18:0:transformation-diss.tex -o transformation-diss.pdf
It works just fine...
--8<---------------cut here---------------start------------->8---
% time synctex view -i 18:0:transformation-diss.tex -o transformation-diss.pdf
This is SyncTeX command line utility, version 1.2
synctex view -i 18:0:transformation-diss.tex -o transformation-diss.pdf
0.09s user 0.01s system 98% cpu 0.107 total
--8<---------------cut here---------------end--------------->8---
Now I edebugged `TeX-synctex-output-page', and I tell you what: it does
not hang, but it is called over and over again! That's because in
`TeX-command-expand', the loop condition in
(while (setq pos (string-match pat command pos)) ...
always succeeds. The variable values are:
pat = "\\(?:
\"\\\\\\|\"\\|%\\(?:(\\(?:\\(?:PDF\\(?:out\\)?\\|execopts\\|latex\\|mode\\|o\\(?:\\?\\|utpage\\)\\|tex\\))\\)\\|cS\\|dS\\|vv\\|[%'SV`bdfl-tv]\\)\\)"
command = "evince -p %(outpage) %o"
pos = 10
(string-match pat command 10) ==> again 10
Bye,
Tassilo
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