| COLCRT(1) | General Commands Manual | COLCRT(1) | 
colcrt —
| colcrt | [ -] [-2]
      [file ...] | 
colcrt provides virtual half-line and reverse line feed
  sequences for terminals without such capability, and on which overstriking is
  destructive. Half-line characters and underlining (changed to dashing `-') are
  placed on new lines in between the normal output lines.
Available options:
--2-2 option is useful for
      sending output to the line printer when the output contains superscripts
      and subscripts which would otherwise be invisible.colcrt would be
tbl exum2.n | nroff -ms | colcrt - | more
colcrt command appeared in
  1BSD.
-Can't back up more than 102 lines.
General overstriking is lost; as a special case
    ‘|’ overstruck with
    ‘-’ or underline becomes
    ‘+’.
Lines are trimmed to 132 characters.
Some provision should be made for processing superscripts and subscripts in documents which are already double-spaced.
| June 30, 1993 | NetBSD 10.0 |