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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: emacs-orgmode-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Spam-Score: 2.23 X-Migadu-Spam-Score: 2.23 X-Migadu-Scanner: mx1.migadu.com X-Migadu-Queue-Id: 875AA5F4A0 X-TUID: A9FYJOcBW+Cw On 26/09/2023 04:57, Thomas S. Dye wrote: > Aloha all, > > Juan Manuel Macías writes: >> >>> If so, Org should have native support of \DocumentMetadata, not >>> LATEX_PRE_HEADER or something similar. >> >> If it were the only case of code before \documentclass, I would agree. >> But, as I have already said above, the diversity of use cases makes the >> implementation of /ad hoc/ solutions unviable, in my opinion. > > FWIW, I agree with Juan Manuel here and would welcome a straightforward > way to insert material before the header. I just have checked that a dirty hack with a few lines of code for `org-export-filter-final-output-functions' allows to insert arbitrary text to the beginning of export result. Perhaps a more elegant solution exists, but I admit it is not a straightforward way. At least it is possible. I do not mind that generation of preamble should be more flexible, but I consider LATEX_PRE_HEADER as an ad hoc solution, so I am trying to find a better variant. That is why I asked for details concerning particular use cases. I remember recipes like "put \usepackage{cmap} immediately after \documentclass" (nowadays this particular one should not be necessary). So I would prefer to avoid keywords per each chunk of preamble code. \begin{filecontents*} from the original post is not convincing. \DocumentMetadata perhaps should be supported out of the box. I would consider some kind of templates that use predefined fragments #+LATEX_REPLACE_TEMPLATE: :preamble mypreamble #+name: mypreamble #+begin_src latex :exports none :noweb yes \providecommand{\pdfxopts}{x-1a} <> #+end_src with ability to use fine grain snippets instead #+LATEX_REPLACE_TEMPLATE: :preamble detailedpreamble #+name: detailedpreamble #+begin_src latex :exports none :noweb yes <> \PassOptionsToPackage... <> \usepackage{cmap} \usepackage[english,<>]{babel} <> #+end_src I hope, something similar may be made more readable than series of LATEX_HEADER & Co lines.