Re: How to export a single subtree but include document preamble?

[Scott Randby]

On 4/3/24 15:00, Richard H. Stanton wrote:
> I just tried to export a single subtree from an org document to a PDF file:
>
> 1) Type  C-c C-e [org-export-dispatch]
> 2) C-s to narrow to subtree
> 3) l -> o to export to PDF via LaTeX
>
> However, instead of exporting the portion of the file I want, I get the error 
> message
>
> Undefined Org macro: newline; aborting
>
> That macro is defined in a setup file that is #+included at the top of the 
> file, so exporting the entire file works fine.
>
> I assume the problem is that when I export only one subtree, the setup file is 
> not #+included, and I can see it sort of makes sense, but it would be nice if 
> there were an option to include one or more lines from the preamble when 
> exporting just a subtree, since otherwise exporting a subtree doesn’t actually 
> work! Is there a simple way to do this?

I don't know if this does what you want, but I use a ‘PROPERTIES’ drawer right 
below the subtree's headline and in that drawer, I put the following code:

:EXPORT_LATEX_HEADER_EXTRA: \input{latex-preamble.tex}

Scott Randby