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[O] Some thought about `org-latex-pdf-process-alist', was Re: (V9) [PATC

From: Feng Shu
Subject: [O] Some thought about `org-latex-pdf-process-alist', was Re: (V9) [PATCH] New feature: Use dvisvgm to preview latex formular
Date: Sun, 22 May 2016 07:19:59 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

> Hi Feng,
> Thanks for the patches. 
> "Feng Shu" <address@hidden> writes:
>> 1. org-latex-pdf-process -> org-latex-pdf-default-process
>> 2. Add new variable org-latex-pdf-process-alist
> What do you have in mind?  I assume it’s something more than just ripping
> out the :type part of org-latex-pdf-process.

Similar, but include more information, maybe it it like:

#+BEGIN_SRC emacs-lisp
(setq org-latex-pdf-process-alist
         :commands ("pdflatex -interaction nonstopmode -output-directory %o %f"
                    "pdflatex -interaction nonstopmode -output-directory %o %f"
                    "pdflatex -interaction nonstopmode -output-directory %o %f")

         ;; A string in `:valid-classes',
         ;; when nil, fallback to `org-latex-default-class'
         :default-class "article"
         ;; class-settings which works well with the process,
         ;; they must be defined `org-latex-classes'.
         ;; when nil, all class-settings defined `org-latex-classes'
         ;; are valid.
         :valid-classes ("article" "beamer" "report" "book")

         ;; the process's default packages, when nil
         ;; fallback to `org-latex-default-packages-alist'
         :default-packages-alist nil

         ;; the process's packages, when nil
         ;; fallback to `org-latex-packages-alist'
         :packages-alist nil
         :packages-override nil)))

>> 3. Add #+LATEX_PDF_PROCESS setting
> Is this the same as #+latex_compiler, which is used for setting the
> process to pdflatex, xelatex or lualatex?

It is different, 3 runs of latex as example:

if we don't deal with %latex place-hold in process commands,
#+latex_compiler is useless, we need to define pdf process
in org-latex-pdf-process-alist, 

   "pdflatex-pdflatex-pdflatex" "xelatex-xelatex-xelatex" 
otherwise, we can use #+latex_compile and define pdf process


>> I am a member of emacs community in chinese, many org-mode latex
>> beginners will ask me: "How to export org to pdf by latex?",
>> this problem is annoying, so i deside to write a package:
>> ox-latex-chinese and tell them: "Install org-latex-chinese package!"
> It sounds like #+language support should be extended.  A basic Chinese
> document with org doesn’t seem that hard.  With ttf-hannom, all I need is
> this:
>     #+latex_compiler: xelatex
>     #+latex_header: \usepackage{xeCJK}
>     #+latex_header: \setCJKmainfont{HAN NOM A}
>     文章内容
1. Not so simple, we often need to edit `org-latex-classes'
   `org-latex-default-packages-alist' and `org-latex-package-alist'
   for many reason, for example: macro conflict

2. I don't want every users have to write latex-header in every org-file
and I like: install ox-latex-chinese and

       (setq org-latex-default-pdf-process "cn/xelatex-xelatex-xelatex")

every org-file can export to pdf.

> Rasmus



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