\\$2 <\\$1>\\$3 Name
colcrt - filter nroff output for CRT previewing Synopsis
colcrt [options] [file ...] Description
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 `-\(aq) are placed on new lines in between the normal output lines. Options
-, --no-underlining Suppress all underlining. This option is especially useful for previewing allboxed tables from tbl(1). -2, --half-lines Causes all half-lines to be printed, effectively double spacing the output. Normally, a minimal space output format is used which will suppress empty lines. The program never suppresses two consecutive empty lines, however. The -2 option is useful for sending output to the line printer when the output contains superscripts and subscripts which would otherwise be partially invisible. -h, --help Display help text and exit. -V, --version Print version and exit. History
The colcrt command appeared in 3.0BSD. Bugs
Should fold underlines onto blanks even with the - option so that a true underline character would show. Can\(cqt back up more than 102 lines. General overstriking is lost; as a special case \(aq|\(aq overstruck with \(aq-\(aq or underline becomes \(aq+\(aq. Lines are trimmed to 132 characters. Some provision should be made for processing superscripts and subscripts in documents which are already double-spaced. Examples
A typical use of colcrt would be: tbl exum2.n | nroff -ms | colcrt - | more See Also
col(1), more(1), nroff(1), troff(1), ul(1) Reporting Bugs
For bug reports, use the issue tracker at \c Availability
The colcrt command is part of the util-linux package which can be downloaded from \c