Eric S Fraga <e.fr...@ucl.ac.uk> writes: > > This is a standard syntax for adding values to a property. From the info > manual: > > If you want to add to the value of an existing property, append a ‘+’ to > the property name. The following results in the property ‘var’ having > the value ‘foo=1 bar=2’. > > #+PROPERTY: var foo=1 > #+PROPERTY: var+ bar=2
Many thanks for the info. So, with respect the original post, the behavior of the following code is to be expected? * hello :PROPERTIES: :EXPORT_LATEX_HEADER: \makeatletter :EXPORT_LATEX_HEADER+: \@setplength{refvpos}{\useplength{toaddrvpos}} :EXPORT_LATEX_HEADER+: \makeatother :END: Best regards, Jeremie PS: The automatic time stamp of the sender when replying is a nice piece of technology. I guess, I have to read the gnus manual again. :-) > On Friday, 12 Jun 2020 at 14:01, Jeremie Juste wrote: