More thoroughly implement nulling pointers after free... attempting to avoid a double-free.
Fix memory leak in failed color fax reception.
Make sure the memcmp doesn't look past the end of the buffer.
We need to use -dFIXEDMEDIA for Postscript files which are not going to get adusted with the other FIXEDWIDTH options.
Add netpbm-floyd dithering option.
Just a few minor improvements/fixes to keep ASan happy.
More superfluous nots
Superfluous "not"