Re: org-export-preprocess-hook and the new exporter

[tsd@tsdye.com (Thomas S. Dye)]

Nicolas Goaziou <n.goaziou@gmail.com> writes:

> Hello,
>
> Eric S Fraga <e.fraga@ucl.ac.uk> writes:
>
>> This is probably more for Nicolas... and apologies for hijacking the
>> thread slightly!
>>
>> I was intrigued by the comment above regarding the ignoreheading
>> tag.  Sounded just like what I needed.  However, it doesn't do anything
>> with org /out-of-the-box/.  A little searching led to Suvayu's posting
>> in stackoverflow [1] and that does the job nicely, but only for the
>> standard (read: old) export engine.
>>
>> The question is: is there an equivalent hook for the new exporter?
>
> For heavy structure modifications (like headlines removal), there is
> `org-export-before-parsing-hook' and the dynamically bound variable
> `org-export-current-backend'.
>
> Another way to solve the problem could be to implement your own headline
> parser:
>
> #+BEGIN_SRC emacs-lisp
> (defun my-e-latex-headline (headline contents info)
>   (if (member "ignoreheading" (org-element-property :tags headline)) contents
>     (org-e-latex-headline headline contents info)))
> #+END_SRC
>
> Then you can either install it in the current `e-latex' back-end:
>
> #+BEGIN_SRC emacs-lisp
> (add-to-list 'org-e-latex-translate-table '(headline . my-e-latex-headline))
> #+END_SRC

Aloha Nicolas,

Has org-e-latex-translate-table gone away?  I get:
Symbol's value as variable is void: org-e-latex-translate-table

I tried grepping the source code for it, but came up empty there, too.

All the best,
Tom

>
> Or you can define your own back-end for this purpose:
>
> #+BEGIN_SRC emacs-lisp
> (org-export-define-derived-backend dissertation e-latex
>   :translate-alist ((template . my-e-latex-headline)))
>
> (defun org-dissertation-export-to-pdf
>   (&optional subtreep visible-only body-only ext-plist pub-dir)
>   (interactive)
>   (org-e-latex-compile
>    (let ((outfile (org-export-output-file-name ".tex" subtreep pub-dir)))
>      (org-export-to-file
>       'dissertation outfile subtreep visible-only body-only ext-plist))))
> #+END_SRC
>
> You need a recent Org version to do this, though.
>
>
> Regards,

-- 
Thomas S. Dye
http://www.tsdye.com