GNU bug report logs - #36400
Few more words about ‘tex-print-file-extension’ (Emacs manual)

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Sebastian Urban <mrsebastianurban <at> gmail.com>
To: Bug GNU Emacs <bug-gnu-emacs <at> gnu.org>
Subject: Few more words about ‘tex-print-file-extension’ (Emacs manual)
Date: Thu, 27 Jun 2019 10:43:34 +0200

In INFO @ 25.11.3 TeX Printing Commands:
 For example, you can set it to ‘.pdf’, and update
-‘tex-dvi-view-command’ and ‘tex-dvi-print-command’ accordingly.
+‘tex-dvi-view-command’ and ‘tex-dvi-print-command’ accordingly, as
+well as ‘latex-run-command’ or ‘tex-run-command’.

Why?  Because without setting, for example, ‘latex-run-command’ to
‘pdflatex’ it (‘tex-region’, ‘tex-buffer’, ‘tex-file’) will still
compile files with ‘latex’ and ‘tex-dvi-view-command’ &
‘tex-dvi-print-command’ will show error, because they will be looking
for ‘.pdf’ and will only find ‘.dvi’.  So need for change also these
two variables should be noted.


Actually I wanted to go different road here, and change
‘latex-run-command’ (and maybe ‘tex-run...’) to have ‘cond’ and
choose: if ‘.pdf’ => ‘pdflatex’, if ‘.dvi’ =>‘latex’.  But because it
probably reads ‘tex-print-file-extension’ very early:
- OR it (tex-print-file-extension) would have to be rewritten as well
  to update (eval(?)) ‘latex-run-command’,
- OR user would have to save new value of ‘tex-print-file-extension’
  to init file and restart Emacs/eval ‘latex-run-command’ manually.
Of course this will require different change to the manual.


S. U.


In GNU Emacs 26.2 (build 1, i686-w64-mingw32)
 of 2019-04-13 built on CIRROCUMULUS
Repository revision: fd1b34bfba8f3f6298df47c8e10b61530426f749
Windowing system distributor 'Microsoft Corp.', version 6.1.7601

Message #8 received at 36400 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Sebastian Urban <mrsebastianurban <at> gmail.com>
Cc: 36400 <at> debbugs.gnu.org
Subject: Re: bug#36400: Few more words about ‘tex-print-file-extension’ (Emacs manual)
Date: Tue, 09 Jul 2019 01:28:09 +0200

Sebastian Urban <mrsebastianurban <at> gmail.com> writes:

> In INFO @ 25.11.3 TeX Printing Commands:
>  For example, you can set it to ‘.pdf’, and update
> -‘tex-dvi-view-command’ and ‘tex-dvi-print-command’ accordingly.
> +‘tex-dvi-view-command’ and ‘tex-dvi-print-command’ accordingly, as
> +well as ‘latex-run-command’ or ‘tex-run-command’.
>
> Why?  Because without setting, for example, ‘latex-run-command’ to
> ‘pdflatex’ it (‘tex-region’, ‘tex-buffer’, ‘tex-file’) will still
> compile files with ‘latex’ and ‘tex-dvi-view-command’ &
> ‘tex-dvi-print-command’ will show error, because they will be looking
> for ‘.pdf’ and will only find ‘.dvi’.  So need for change also these
> two variables should be noted.

I think that makes sense, even if it's been a few years since I used
this stuff in Emacs, so I've applied a version of this to the Emacs
trunk.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #15 received at 36400 <at> debbugs.gnu.org (full text, mbox):

From: Sebastian Urban <mrsebastianurban <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 36400 <at> debbugs.gnu.org
Subject: Re: bug#36400: Few more words about ‘tex-print-file-extension’ (Emacs manual)
Date: Tue, 9 Jul 2019 09:41:38 +0200

> (...) so I've applied a version of this to the Emacs trunk.

Alright, thanks.  Although I would prefer 2nd, more automatic, way of
setting variables... another time (if it's possible at all).

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