man2hlp errors

[Miven Dooligan]

Brand new cvs source:

Making install in pl
make[2]: Entering directory 
`/usr/src/mc/mc-draft-4.6.0-pre1-020921/mc/doc/pl'
../../src/man2hlp 58 mc.1 ../../doc/xnc.hlp \
mc.hlp.pl
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 34
man2hlp: Warning: unsupported command .IR in file "mc.1" on line 49
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 75
man2hlp: Warning: unsupported command .IR in file "mc.1" on line 98
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 126
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 131
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 138
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 142
man2hlp: Warning: unsupported command .IR in file "mc.1" on line 167
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 224
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 228
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 234
man2hlp: Warning: unsupported command .BR in file "mc.1" on line 237
...blah blah blah 2 or 3 screens worth