The following command line produces a "This file uses an unknown standard security handler revision: 6" error. Both mupdf and acrobat read the file without error:
bin/gs -sDEVICE=ppmraw -o test.ppm \
Surely this should be an enhancement ?
*** Bug 694473 has been marked as a duplicate of this bug. ***
*** This bug has been marked as a duplicate of bug 693305 ***