What should the man page extensions be?  Here's my guess:

MANPAGE		HP-UX File Extension		Apollo/BSD File Extension
-------		--------------------		-------------------------
pts.man			.5				.7 or .l
xpts.man		.1				.1 or .l
pts.cf.man		.4				.5 or .l
ptsager.man		.1M				.8 or .l
zdbm.man		.3X				.3 or .l
