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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: 3.73 X-Migadu-Spam-Score: 3.73 X-Migadu-Scanner: mx1.migadu.com X-Migadu-Queue-Id: B359D45892 X-TUID: TzL9KvSvYQBS On 25/09/2023 01:42, Juan Manuel Macías wrote: > According to the pdfx package documentation > (https://www.ctan.org/pkg/pdfx), p. 6 (at the bottom of the page)/7: > --- > Warning: The \jobname.xmpdata file may be included in the main document > source, within a {filecontents*} environment, provided this comes before > the \documentclass command, as follows[...] > --- Does it mean that with hyperxmp you can not generate documents satisfying some requirements and you need namely pdfx? Is there a reason that .xmpdata files must be generated namely by a LaTeX engine and writing them by elisp code is unacceptable? > For example, the newpax package, to preserve the internal links of a pdf > included in the document, requires putting commands like > \DocumentMetadata{ } before documentclass. If I understand it correctly, \DocumentMetadata is a switch to enable "new" LaTeX like it was for \documentclass vs. \documentstyle during transition to LaTeX2e from LaTeX 2.09. If so, Org should have native support of \DocumentMetadata, not LATEX_PRE_HEADER or something similar. I have not looked into Timothy's branch, so I am unaware if it is addressed.