Robert - the reason why none of the viewers are copyring out indentation is
that there isn't actually indentation there (aka no spaces are tab
characters), the text is simply "moved".    Normally PDF viewers are able
to apply heuristics to "guess" when the amount of "movement" is supposed to
mean indentation - but this particular amount of "movement" is too small
for consideration.  If you make the indent say 4 spaces worth instead of 2,
I suspect you will get the result you wish.

On Thu, Jan 6, 2022 at 4:10 AM Robert Fekete <fekete77.robert-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:

> Hi Everyone,
>
> I'm trying to create PDF output from HTML input, and ran into a weird
> error:
>
> Code samples (for example, YAML or Python) are properly formatted in the
> pdf, but most of the formatting is lost when copy-pasting the code from the
> PDF into a text editor or terminal. Depending on the PDF viewer, either:
>
>    - line breaks are retained, but indentation is lost (evince, preview,
>    adobe reader), or
>    - line breaks are lost and everything becomes a single line, but
>    whitespace is retained (built-in pdf viewer of Firefox and VS Code)
>
> I'm currently using pandoc 2.14.2 on MacOS Big Sur.
>
> I have attached two test files (input and output), I created the pdf with
> the wkhtml2pdf engine, but I've tested other engines as well and the
> results were similar (xelatex, weasyprint).
>
> Has anyone seen a similar problem? Any pointers are appreciated.
>
> Kind Regards,
> Robert
>
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