HI,
I wanted to point out the lack of support for PDF layers in poppler.
It is a very important function for those who create PDFs for technical
use. At the moment pdfunite/pdfseparate damage files by merging the
layer contents on a single layer. To date it seems that only open source
app is Scribus that is able to produce PDF with layers through its
internal library, while several programs rely on poppler and are not
able to produce PDF with layers.
Here are several test files:
https://gitlab.freedesktop.org/poppler/poppler/-/issues/398#note_1305413
thank you in advance,
--
Valerio
