On 30/11/2020 11:29, Eric S Fraga wrote:
>> I would like to export only a subtree of a bigger document, and use
>> #+author annotations in subtrees.  Currently, all the #+author
>> annotations of the document are concatenated in the exported document.
> For subtree export, make use of the EXPORT_X properties where X can be
> AUTHOR, TITLE, ...  Set these properties in each sub-tree.
Thank you, Eric, this is exactly what I was looking for.
This is documented in the manual here:

https://orgmode.org/manual/Export-Settings.html

regards,

-- 
Damien Couroussé
Research Engineer

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