* Mathjax export taking into account custom macros
@ 2011-09-08 17:20 Christian Straßer
0 siblings, 0 replies; only message in thread
From: Christian Straßer @ 2011-09-08 17:20 UTC (permalink / raw)
To: emacs-orgmode
Hello,
there is an asymmetry between the html-export of latex-formulas by
means of dvipng on the one hand and by means of mathjax on the other
hand. The asymmetry concerns the handling of information provided by
the
#+LaTeX_HEADER:
parameter. The parameter is taken into account when exporting by means
of dvipng, but not when exporting by means of mathjax.
Let me give a small example:
*Scenario 1*
Say we have a file "test.org" which looks as follows:
#+OPTIONS: LaTeX:dvipng
#+LaTeX_HEADER: \newcommand{\vd}{\vdash}
* Header 1
$\vd$
Now exporting this file into html produces a png image with the "|-" symbol.
*Scenario 2*
Now our file "test.org" looks as follows:
#+OPTIONS: LaTeX:t
#+LaTeX_HEADER: \newcommand{\vd}{\vdash}
* Header 1
$\vd$
[the only change is in line 1]
Exporting this file produces a html file with \vd in red (meaning
mathjax doesn't have a subroutine dealing with the command "\vd").
I am not sure if this is the intended behavior. I personally would
prefer if the mathjax export would take into account the commands
specified in the LaTeX_HEADER.
A similar scenario we get with respect to the
org-export-latex-default-packages-alist. I have a small style package
with all my custom definitions that is listed in
org-export-latex-default-packages-alist (with snippet toggled to 't').
Again the LaTeX:dvipng option takes into account the package while the
mathjax export ignores it.
For the example illustrated in the two examples I used a minimal setup
with the following .emacs file:
(setq load-path (cons "~/.emacs.d/org-mode/lisp" load-path))
(setq load-path (cons "~/.emacs.d/org-mode/contrib/lisp" load-path))
(require 'org-install)
The org-mode is an up-to-date clone from git:
M-x org-version returns:
Org-mode version 7.7 (release_7.7.264.gbe69)
Thanks!
Best,
Christian
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