Thanks eric, I've done the changes and I attach all the patches.

On Fri, May 15, 2020 at 2:21 PM Eric S Fraga <e.fraga@ucl.ac.uk> wrote:

Just a minor point: in the patch for the documentation, change "imagen"
to "image".
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: Eric S Fraga via Emacs 28.0.50, Org release_9.3.6-631-g48b223