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When I use it on a .dtx file, RefTeX shows me an empty table of contents. What can I do about it?

EDIT: I think I know why this happens: RefTeX ignores all the comments in the file, which is what one would want for a .tex file. What I don't know is how to convince it to process the comments in the .dtx file, where the documentation lives. (An ideal situation would be that RefTeX would detect a .dtx file and automatically process the comments, but I could live with an ad-hoc solution as well.)

The issue does not arise for .tex files. The table of contents in the .pdf produced from my .dtx is fine as well.

I use Emacs 24.2.1, AUCTeX 11.86 and RefTeX 4.31. (But the problem was there in previous versions as well.)

%\iffalse
\documentclass{ltxdoc}
\begin{document}
  \DocInput{\jobname.dtx}
\end{document}
%\fi
% \tableofcontents
%
% \section{Implementation}
% blabla
% 
% \endinput
% Local Variables: 
% mode: doctex
% TeX-master: t
% End:
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Please provide a MWE. Show the command you use to build the pdf page. – Kurt Sep 24 '12 at 14:26
Sure, done, by I don't know how this will help. Sorry if I was unclear: compiling the file works fine. It is the RefTeX (an Emacs extension) that shows an empty table of contents, when I select RefTex->Table of contents from the menu, or press Ctrl-C-=. – Sašo Živanović Sep 24 '12 at 15:44
3  
I don't think reftex know doctex mode, auctex does, but I'm not sure if reftex does. – daleif Sep 24 '12 at 15:58

closed as too localized by lockstep, Stefan Kottwitz♦ Mar 24 at 13:23

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