dca2troff [ -mm -me -ms -man ] [ -ff fontmap_file ] [ -af accent_file ] [ -d# ] [ infile ... ] 

-mm, -me, -ms, -man
 look for file /usr/local/lib/dca2.xx ( where xx is the macro pkg )
 in there are function to macro name mappings

format of fontmap_file

ibm# <TAB> troff_font_name

format of accent_file

hex code <TAB> troff_string to use

debug levels: hex character

bit 0	- list font changes
bit 1	- list sf commands
bit 2	- list mb commands
bit 3	- list single byte commands

add page setups
