Authors:
Trevor L Davis [aut, cre]
,
W. Trevor King Some pdf code adapted from 'pdf-merge.py' [ctb]
,
Linux Foundation [dtc] (Uses some data from the "SPDX License List"
<https://github.com/spdx/license-list-XML>)
System requirements: 'ghostscript' or 'pdftk' for editing pdf bookmarks
and/or documentation info entries. 'exiftool' for editing pdf
documentation info entries and/or xmp metadata.