Re: [AUCTeX] files with non-ascii characters and LaTeX as in TeXLive 2018

[jfbu]

Le 24/05/2018 à 19:39, jfbu a écrit :
> Hi Keita
>
>
> I have applied your patch (with diff of preview.el.in
> transferred to preview.el) to my elpa installed 12.1.0
>
> (later I
> saw I had 12.1.1 on another computer and that preview.el
> had changed a bit. As the elpa comes with .gitignore
> which by bad luck for me has /preview.el, my initial
> commit did not have the original one which I then
> manually modified with your patch ---
> I recovered later from the other computer the preview.el
> there and re-did my commits)
>
> (b.t.w. I also git cloned the savannah, and
> https://git.savannah.gnu.org/cgit/auctex.git has a typo it should be
> https://git.savannah.gnu.org/git/auctex.git
> )
>
>
> Le 24/05/2018 à 17:26, Ikumi Keita a écrit :
> > Hi Jean and all,
> >
> > The proposed method, with slight modification explained below, works for
> > all the cases I tested.  Thank you again!
> > For now, I attach the patch for preview-latex part only so that the
> > reader can concentrate on the relavant changes.
> >
> > > > > > > jfbu <address@hidden> writes:
> >
> > > > \ifx\pdfoutput\undefined\else\let\PREVIEWdump\dump\def\dump{%
> > > > \edef\next{{\pdfoutput=\the\pdfoutput\relax\the\everyjob}}%
> > > > \everyjob\next\catcode`\ 10 %
> > > > \catcode`/ 0 %
> > > > \def\AUCTEXINPUT##1{\catcode`/ 12\relax\catcode`\ 
> > > > 9\relax\input{\detokenize{"##1"}}}%
> > > > \let\dump\PREVIEWdump\dump}\fi\input mylatex.ltx \relax%
> >
> >
> > > > Notice that when ##1 (i.e. the filename) will be grabbed) the / is of
> > > > catcode 0, so ##1 is tokenized accordingly. Which in principle could
> > > > perhaps cause an issue \detokenize{aaa/b23} would give aaa/b<space>123
> > > > but as / is not legal in filenames in contexts I know of, I did not even
> > > > test this anticipation.
> >
> > AUCTeX always runs TeX commands after changing the current directory to
> > that of the master file, so forward slash would never appear as an
> > argument of the command.  The region file is created in the same
> > directory as the master, thus region compilation should work as well.
> >
> > > > I have also added quotes inside the \detokenize.
> >
> > I tried removing those quotes and let the quotes added around the file
> > name with space to be put inside /AUCTEXINPUT like this:
> > pdflatex -foo -bar &prv_ppp_qqq /AUCTEXINPUT{"ppp qqq"} (without escape for 
> > shell)
> > , because it's easier to absorb the difference in the way of quoting the
> > shell arguments between w32 and non-w32 platforms.  Experiments showed
> > no problems even for files without space, so the attached patch takes
> > this way.  If this has any shortcomings, please tell me.
>
> My testing so far indicates no problem on Mac OS X 10.9.5


I may have been a bit optimistic

I have problem when adding an equation and asking to generate preview at point

> I was intrigued by these changes related to quotes, but it turns out
> when I had tried manually on the command line that I was not quoting
> correctly.
>
> With your patch on top of 12.1.0 I successfully generate preview for a file
> with both spaces and utf-8 characters.
>
> The top of preview generation log displays starts like this;
>
> Running `Preview-LaTeX' on `test my látéx' with ``pdflatex -interaction=nonstopmode \&prv_test_my_la\́te\́x 
> "/AUCTEXINPUT{" \"test\ my\ la\́te\́x.tex\" "}"''
>
> (the Mac OS uses a special form of Unicode for filenames with combining
> characters)
>
> I did not check the ini file because it is volatile but I think you
> indicated how to modify cache-preamble to make it permanent.
>
> Anyway, above file with contents


with this file

> \documentclass{article}
> \def\foo{E=mc^2}
> \def\bar{x^n + y^n = z^n}
> \def\foofoo{E=h\nu}
> \begin{document}
> \(\foo\)
> \(\bar\)
> \(\foofoo\)
> \end{document}


when I add

\[x^3+y^3\]

and then try to generate preview "at point" I get this

```
Running `Preview-LaTeX' on `_region_' with ``pdflatex -interaction=nonstopmode 
\&prv_test_my_la\́te\́x "/AUCTEXINPUT{" _region_.tex "}"''
This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded 
format=pdflatex)
 restricted \write18 enabled.
entering extended mode
LaTeX2e <2018-04-01> patch level 4
CUSTOMISED FORMAT. Preloaded files:
        .
 "test my látéx.tex"
 article.cls    2014/09/29 v1.4h Standard LaTeX document class
  size10.clo    2014/09/29 v1.4h Standard LaTeX file (size option)
        .
(./_region_.tex
No file _region_.aux.
(/path/to/.emacs.d/elpa/auctex-12.1.0/latex/preview.sty 
(/usr/local/texlive/2018/texmf-dist/tex/generic/luatex85/luatex85.sty) 
(/path/to/.emacs.d/elpa/auctex-12.1.0/latex/prtightpage.def) 
(/path/to/.emacs.d/elpa/auctex-12.1.0/latex/prauctex.def
No auxiliary output files.


(/path/to/.emacs.d/elpa/auctex-12.1.0/latex/prauctex.cfg)) 
(/path/to/.emacs.d/elpa/auctex-12.1.0/latex/prfootnotes.def)
Preview: Fontsize 10pt
Preview: PDFoutput 1
)
! Undefined control sequence.
\GenericError  ...
                                                    #4  \errhelp 
address@hidden@     ...
l.8 \message{ !name(test my lá
                                téx.tex) !offset(0) }
! Undefined control sequence.
\GenericError  ...
                                                  \let address@hidden@          
     ...
l.8 \message{ !name(test my lá
                                téx.tex) !offset(0) }
! Undefined control sequence.
\GenericError  ...
                                                  address@hidden \def 
\MessageBreak...
l.8 \message{ !name(test my lá
                                téx.tex) !offset(0) }
! Undefined control sequence.
\GenericError  ...
                                                     \endgroup
l.8 \message{ !name(test my lá
                                téx.tex) !offset(0) }
! Undefined control sequence.
\GenericError  ...
                                                    #4  \errhelp 
address@hidden@     ...
l.8 \message{ !name(test my láté
                                    x.tex) !offset(0) }
! Undefined control sequence.
\GenericError  ...
                                                  \let address@hidden@          
     ...
l.8 \message{ !name(test my láté
                                    x.tex) !offset(0) }
! Undefined control sequence.
\GenericError  ...
                                                  address@hidden \def 
\MessageBreak...
l.8 \message{ !name(test my láté
                                    x.tex) !offset(0) }
! Undefined control sequence.
\GenericError  ...
                                                     \endgroup
l.8 \message{ !name(test my láté
                                    x.tex) !offset(0) }
 !name(test my la\protect \begingroup \immediate \write address@hidden   \def 
\MessageBreak
 \let \protect \edef  You may provide a definition with\MessageBreak 
\DeclareUnicodeCharacter   \errhelp \let \def \MessageBreak
(inputenc)                 \def   \errmessage  Package inputenc Error: Unicode 
character ́ (U+301)\MessageBreak not set up for use with LaTeX.

See the inputenc package documentation for explanation.
Type  H <return>  for immediate help   \endgroup te\protect \begingroup 
\immediate \write address@hidden   \def \MessageBreak
 \let \protect \edef  You may provide a definition with\MessageBreak 
\DeclareUnicodeCharacter   \errhelp \let \def \MessageBreak
(inputenc)                 \def   \errmessage  Package inputenc Error: Unicode 
character ́ (U+301)\MessageBreak not set up for use with LaTeX.

See the inputenc package documentation for explanation.
Type  H <return>  for immediate help   \endgroup x.tex) !offset(0)
! Preview: Snippet 1 started.
<-><->
      
l.11 \[
       x^3+y^3\]
Preview: Tightpage -32891 -32891 32891 32891
! Preview: Snippet 1 ended.(693664+0x12359148).
<-><->
      
l.11 \[x^3+y^3\]
                
[1{/usr/local/texlive/2018/texmf-var/fonts/map/pdftex/updmap/pdftex.map}] )
(see the transcript file for additional 
information)</usr/local/texlive/2018/texmf-dist/fonts/type1/public/amsfonts/cm/cmmi10.pfb></usr/local/texlive/2018/texmf-dist/fonts/type1/public/amsfonts/cm/cmr10.pfb></usr/local/texlive/2018/texmf-dist/fonts/type1/public/amsfonts/cm/cmr7.pfb>
Output written on _region_.pdf (1 page, 22824 bytes).
Transcript written on _region_.log.

TeX Output exited as expected with code 1 at Thu May 24 19:56:58
LaTeX: LaTeX found no preview images
```

I don't know where from the \message's originate.


Best

Jean-François

> generates correct previews.
>
> It also compiles fine because my TeX-command-list does not have the
>   %` and %'.
> And the non-\input form correctly escapes the spaces for the shell
> so it seems.
>
> A proposito, the above in the pdflatex command (once the format
> is done)means \input will be with extra spaces
>
> \input{<space>"test my látéx.tex"<space>}
>
> but fortunately that works fine.
>
> (one can check that by using this
>
> \\def\\AUCTEXINPUT##1{\\catcode`/ 12\\relax\\catcode`\\ 
> 9\\relax\\message{+++\\detokenize{##1}+++}\\input{\\detokenize{##1}}}%
>
> in preview.el and then check generate-preview compilation log)
>
> LaTeX2e <2018-04-01> patch level 4
> CUSTOMISED FORMAT. Preloaded files:
>          .
>   "test my látéx.tex"
>   article.cls    2014/09/29 v1.4h Standard LaTeX document class
>    size10.clo    2014/09/29 v1.4h Standard LaTeX file (size option)
>          .
> +++ "test my látéx.tex" +++ (./test my látéx.tex
> No file "test my látéx".aux.
>
> Anyway, all seems fine!
>
> Thanks!
>
> Jean-François
>
>
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