Hi Eric, Eric Schulte <schulte.e...@gmail.com> writes:
>> Thanks for the quick answer. I am aware, that imagemagick is needed. >> Let me rephrase my question using your example: >> >>> #+LATEX_HEADER: \usepackage{tikz} >>> >>> First execute the second code block, to define the convenience macro >>> and to set the required new variables in ob-latex.el. Then export to >>> HTML and to pdf to see the tree exported as an SVG image and as >>> embedded tikz respectively. >>> >>> * Tikz test >>> Here's a tree, exported to both html and pdf. >>> >>> #+header: :file (by-backend (html "tree.svg") (pdf 'nil) (t "tree.png")) >>> #+header: :imagemagick >> >> I seem not to be able to apply (by-backend ) at the 'top-level, like so: >> >> #+header: (by-backend (html 'nil) (pdf 'nil) (t ":imagemagick")) >> >> Why is that? >> > > Because elisp evaluation is available for header argument *values*, not > for the entire header argument line. Instead you could do the > following, or just use the example in my previous email which sets > :imagemagick in all cases. > > #+header: :imagemagick (by-backend ((html pdf) 'nil) (t "yes")) > > Cheers, I understand. Thanks a lot for the clarification. Regards, Andreas