PDF engines to enable. Each one can be used to perform a specific task. See the documentation for more details. Defaults to all possible PDF engines.
Declarations
Type
list of (one of "pdftk", "qpdf", "libreoffice-pdfengine", "exiftool", "pdfcpu")
Default
[
"pdftk"
"qpdf"
"libreoffice-pdfengine"
"exiftool"
"pdfcpu"
]