Re: Happily exporting LaTeX, now want to export to text and HTML, can't figure how to handle latex markup

["Berry, Charles" <ccberry@ucsd.edu>]

> On Aug 2, 2017, at 4:22 PM, Jeremie Juste <jeremiejuste@gmail.com> wrote:
> 
> 
> 
> Hello 
> 
>> 
>> Putting together a macro seems like the best option.  Recall that you
>> can use elisp in macros by placing it between `(eval’ and `)', so the
>> following emits “def’ in all but latex exports and “abc” for latex.
>> 
> 
> 
> Yes I found this nice piece of code  
> 
> It switches to svg if backend is html and to raw latex if backend is
> latex. You only have to tweak it your needs.
> 

I think this is obsolete. It fails on org-9.0.9. What version of org are you using? 

In any case replacing the ~(if ...)~ by ~org-export-current-backend~ will fix it.


> #+header: :file (by-backend (html "tree.svg") (t 'nil))
> #+header: :imagemagick
> #+header: :results (by-backend (pdf "latex") (t "raw"))
> #+begin_src latex
>  \usetikzlibrary{trees}
>  \begin{tikzpicture}
>    \node [circle, draw, fill=red!20] at (0,0) {1}
>    child { node [circle, draw, fill=blue!30] {2}
>      child { node [circle, draw, fill=green!30] {3} }
>      child { node [circle, draw, fill=yellow!30] {4} }};
>  \end{tikzpicture}
> #+end_src
> 
> * COMMENT setup
> #+begin_src emacs-lisp :results silent
>  (setq org-babel-latex-htlatex "htlatex")
>  (defmacro by-backend (&rest body)
>    `(case (if (boundp 'backend) (org-export-backend-name backend) nil) ,@body))
> #+end_src
> 
> The reference http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html
> 

Another case were adding dates to Worg entries might help.

Chuck