/etc/ghostscript/fontmap.d/20pmw.conf is in pmw 1:4.29-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | /PMW-Music (/usr/share/pmw/psfonts/PMW-Music.pfa) ;
/PMW-Alpha (/usr/share/pmw/psfonts/PMW-Alpha) ;
|