[OS X TeX] Emacs <-> TexShop

Roussanka Loukanova rloukano at stp.lingfil.uu.se
Sat Apr 7 06:18:03 EDT 2007 

Hi everybody,

I'm figuring out a way to say Chestit Velikden & Happy Easter:

Carbon Emacs <-> TeXShop/Preview interactions are very fine, i.e., 
almost, except the problem that Axel and myself discussed. A review of the 
problem and a temporary solution:

The default View of the dvi/pdf output, following the command latex
from within Emacs, is with TeXShop (via the default command "open %o" from
AUCTeX/Emacs). Apparently, this runs each time the sequence dvips->pdf 
(dvips + distiller), even in the presence of a pdf file; and, may be as a 
consequence, TeXShop doesn't show the updated pdf file unless re-opened, 
but then, doesn't re-open on the last viewed page.  (All this is fine with 
pdflatex command.)

I'm solving this, similarly to Alex, but by creating additional 
AUCTeX/Emacs commands for simpdftex and Preview. Thus, for dvips 
dependencies, I run the external commands simpdftex -> Preview (very 
easily indeed, from the minibuffer's command line). This is somewhat 
frustrating to me, since I would  like to get TeXShop displaying the 
right pdf file in the proper way.

It would be very nice if someone knows how to fix this Emacs <-> TeXShop 
interaction: my guess is for some (Emacs/View-in-TeXShop) script in the 
spirit:

"after latex do
     if there is (newer) pdf, (re)display it,
     otherwise dvi -> dvips -> pdf & dispaly it".

But I think that the *default* latex -> View-in-TeXShop should be in the 
proper way.

Chestit Velikden!
Happy Easter!

Roussanka

On Fri, 23 Mar 2007, Axel E. Retif wrote:

> On Mar 23, 2007, at 06:33, Roussanka Loukanova wrote:
>
>> This problem has been lately discussed under the subject "preview in 
>> TexShop was: Re: [OS X TeX] FYI: Smultron", but some people,
>> incl. myself have been mentioning it now and then.
>> 
>> It seems to me that it deserves a new tread and am slightly re-formulating 
>> it here.
>> 
>> I use Seiji Zenitani's Carbon Emacs with its latest default commands for 
>> LaTeX and View, which for a given <file>.tex typeset and view by the 
>> sequences:
>> 
>> 1. latex -> View (open <file>.dvi)
>> 
>> The <file>.pdf is viewed in TeXShop.
>> 
>> 2. pdflatex -> View (open <file>.pdf)
>> 
>> The <file>.pdf is viewed in Preview.
>
> I think I know what's happening ---you use TeXShop as your DVI viewer, so 
> each time you issue the command View in Emacs, even without a change in the 
> DVI, Emacs goes all the way dvi->dvips->pdf, and your PDF has a new time 
> stamp.
>
> On the other hand, if the DVI really changes, TeXShop doesn't update the PDF 
> because it is set to be a PDF viewer not a DVI viewer.
>
> I bet that if you use pdflatex in Emacs *and* use TeXShop (not Preview) as 
> your PDF viewer, TeXShop will update your PDF.
>
> Best,
>
> Axel
>
>
>> 
>> I consider these two options very good, except the following problem with 
>> TeXShop:
>> 
>> 1. If TexShop had been left opened (behind emacs' window) while typing and 
>> typesetting in emacs, then via the command View, TexShop just pops-up to 
>> the front by displaying the older, instead of the updated <file>.pdf (on 
>> the page it was).
>> 
>> 2. If TexShop had been closed (e.g., by Cmd-W or Cmd-Q):
>> 
>> a) If one typesets in emacs by using latex, then the command View opens 
>> TeXShop, which displays the updated pdf on p.1, instead on the last page 
>> viewed.
>> 
>> b) TeXshop always creates a *new pdf version*, when re-opened via Emacs' 
>> View command, after it had been closed (with or without typesetting in 
>> Emacs).
>> 
>> When <file>.tex and  <file>.dvi have the same time stamps
>> (e.g., when there is no update of <file>.tex, typesetting has been 
>> previously done and <file>.dvi is not removed), Emacs, with the key 
>> combination {Ctrl-c Ctrl-c}, automatically detects that and does not run 
>> the command latex, but invokes the default View command in the emacs' 
>> mini-buffer. But TeXShop creates new <file>.pdf: this means that the 
>> default opening of TeXShop runs dvi -> pdf or ex -> pdf.
>> 
>> These problems persist with the default AUCTeX commands; and with added and 
>> removed my own AUCTeX external commands.
>> 
>> I have in TeXShop Preferences
>> 
>> Document -> Source Window Position -> Remember last position on close 
>> (checked)
>> Document -> On Startup -> Configure for External Editor (checked)
>> 
>> Preview -> External Editor -> Automatic Preview Update (checked)
>> 
>> Here are my time stamps from a test after issuing {Ctrl-c Ctrl-c}, which 
>> invokes View in the Emacs' mini-buffer and closing TeXShop with Cmd-W.
>> 
>> roussankas-computer:~/Documents/tests rosi$ ls -l test_view.*
>> -rw-r--r--   1 rosi  rosi   1658 Mar 23 12:49 test_view.aux
>> -rw-r--r--   1 rosi  rosi  95112 Mar 23 12:49 test_view.dvi
>> -rw-r--r--   1 rosi  rosi  10320 Mar 23 12:49 test_view.log
>> -rw-r--r--   1 rosi  rosi    126 Mar 23 12:49 test_view.out
>> -rw-r--r--   1 rosi  rosi  92556 Mar 23 12:52 test_view.pdf
>> -rw-r--r--   1 rosi  rosi  44660 Mar 23 08:43 test_view.tex
>> roussankas-computer:~/Documents/tests rosi$ ls -l test_view.*
>> -rw-r--r--   1 rosi  rosi   1658 Mar 23 12:49 test_view.aux
>> -rw-r--r--   1 rosi  rosi  95112 Mar 23 12:49 test_view.dvi
>> -rw-r--r--   1 rosi  rosi  10320 Mar 23 12:49 test_view.log
>> -rw-r--r--   1 rosi  rosi    126 Mar 23 12:49 test_view.out
>> -rw-r--r--   1 rosi  rosi  92556 Mar 23 13:16 test_view.pdf
>> -rw-r--r--   1 rosi  rosi  44660 Mar 23 08:43 test_view.tex
>> 
>> Roussanka
>> 
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>> 
>
>
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-- 
Roussanka
------------------------------------------------
Roussanka Loukanova
Computational Linguistics
Dept. of Linguistics and Philology
Uppsala University
P.Box 635, Uppsala 751 26, Sweden

Tel:   +46 18 471 1342 (office)
        +46 18 750 0340 (most of the time)
Email: rloukano at stp.lingfil.uu.se (the easiest way to reach me)
URL:   http://stp.ling.uu.se/~rloukano/
--------------------------------------------------

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