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Annotation of 43BSDTahoe/man/man1/colcrt.1, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)colcrt.1    6.2 (Berkeley) 5/7/86
                      6: .\"
                      7: .TH COLCRT 1 "May 7, 1986"
                      8: .UC
                      9: .SH NAME
                     10: colcrt \- filter nroff output for CRT previewing
                     11: .SH SYNOPSIS
                     12: .B colcrt
                     13: [
                     14: .B \-
                     15: ] [
                     16: .B \-2
                     17: ] [
                     18: file ...
                     19: ]
                     20: .SH DESCRIPTION
                     21: .I Colcrt
                     22: provides virtual half-line and reverse line feed sequences
                     23: for terminals without such capability, and on which overstriking
                     24: is destructive.
                     25: Half-line characters and underlining (changed to dashing `\-')
                     26: are placed on new lines in between the normal output lines.
                     27: .PP
                     28: The optional
                     29: .B \- 
                     30: suppresses all underlining.
                     31: It is especially useful for previewing
                     32: .I allboxed
                     33: tables from
                     34: .IR  tbl (1).
                     35: .PP
                     36: The option
                     37: .B \-2
                     38: causes all half-lines to be printed, effectively double spacing the output.
                     39: Normally, a minimal space output format is used which will suppress empty
                     40: lines.
                     41: The program never suppresses two consecutive empty lines, however.
                     42: The
                     43: .B \-2
                     44: option is useful for sending output to the line printer when the output
                     45: contains superscripts and subscripts which would otherwise be invisible.
                     46: .PP
                     47: A typical use of
                     48: .I colcrt
                     49: would be
                     50: .PP
                     51: .DT
                     52:        tbl exum2.n | nroff \-ms | colcrt \- | more
                     53: .SH "SEE ALSO"
                     54: nroff/troff(1), col(1), more(1), ul(1)
                     55: .SH BUGS
                     56: Should fold underlines onto blanks even with the
                     57: `\fB\-\fR'
                     58: option so that
                     59: a true underline character would show; if we did this, however,
                     60: .I colcrt
                     61: wouldn't get rid of
                     62: .I cu'd
                     63: underlining
                     64: completely.
                     65: .PP
                     66: Can't back up more than 102 lines.
                     67: .PP
                     68: General overstriking is lost;
                     69: as a special case `|' overstruck with `\-' or underline becomes `+'.
                     70: .PP
                     71: Lines are trimmed to 132 characters.
                     72: .PP
                     73: Some provision should be made for processing superscripts and subscripts
                     74: in documents which are already double-spaced.

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