NetBSD/share/tmac/doc-nroff
mycroft 0d83fb3bab Fix the `mysterious blank lines' problem (in 98% of cases, anyway). This was
due to unconditional use of .ne.  groff apparently inserts some virtual trap
at the end of each page, and this was causing the .ne commands to output extra
lines.  Solution is to only use them in troff.

Also fix a related bug in .It, where it would insert a page break in the middle
of a sentence.

Remove the end of page trap in nroff mode, as this causes .sp to sometimes eat
the space due to the nearby trap.

Lastly, undue a previous change that broke the formatting of the SYNOPSIS
section, until we determine the right way to fix that.
1999-03-23 06:44:38 +00:00

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.\" $NetBSD: doc-nroff,v 1.7 1999/03/23 06:44:39 mycroft Exp $
.\"
.\" Copyright (c) 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)doc-nroff 8.1 (Berkeley) 6/8/93
.\"
.\" tmac.mdoc-nroff
.\" %beginstrip%
.\"
.ds aD \fI
.ds aR \fI
.ds cM \fB
.ds dF \fR
.ds eM \fI
.ds eR \fR
.ds eV \fR
.ds fA \fI
.ds fD \fB
.ds fL \fB
.ds fN \fB
.ds fP \fP
.ds fS
.ds fT \fI
.ds Hs \fR
.ds iC \fB
.ds lI \fR
.ds lP \fR\|(\fP
.ds rP \fR\|)\fP
.ds lp \fR\|(\fP
.ds rp \fR\|)\fP
.ds lB \fR\|[\|\fP
.ds rB \fR\|]\fP
.ds mL \fB
.ds nM \fB
.ds nO \fR
.ds pA \fI
.ds Pu {\ .\ ,\ ;\ :\ (\ )\ [\ ]}
.ds rA \fR
.ds rT \fI
.ds sH \fB
.ds sP
.ds sY \fB
.ds sX \fI
.ds tF \fR
.ds tN
.ds vA \fI
.ds Vs \fR
.ds vT \fB
.ds xR \fR
.\" MISCELLANEOUS
.nr sI .5i
.nr Ti .5i
.nr cR 1
.nr Pp 1v
.ds lS \0\0
.nr lS \w'\0\0'u
.nr dI 6n
.\"
.de pL
.ie \\n(cR .nr Hm 0
.el .nr Hm .5i
.nr Fm .5i
.nr ll 78n
.ll 78n
.nr lt 78n
.lt 78n
.nr po 0i
.po 0i
.nr dV 1v
.ad l
.na
..
.ds <= \&<\&=
.ds >= \&>\&=
.ds Rq ''
.ds Lq ``
.ds ua ^
.ds aa \'
.ds ga \`
.ds sL `
.ds sR '
.ds q \&"
.\" Math stuff
.ds Pi pi
.ds Ne !=
.ds Le <=
.ds Ge >=
.ds Lt <
.ds Gt >
.ds Pm +-
.ds If infinity
.ds Na \fINaN\fP
.ds Ba \fR\&|\fP
.\"
.de hK
.nr % 1
.ds hT \\*(dT
.if !"\\*(cH"Null" \{\
. ie !"\\*(gP"Null" .as hT \|(\|\\*(cH\\*(gP\|)
. el .as hT \\|(\\|\\*(cH\\|)
.\}
.if "\\*(cH"Null" .if !"\\*(gP"Null" .as hT \&\|(\|\\*(gP\|)
.ie \\n(cR \{\
. hM
.\}
.el \{\
. wh 0 hM
. wh -1.167i fM
.\}
.if \\n(nl==0:\\n(nl==-1 'bp
.e@ lM
..
.nr fW \w'0'
.de sW
.nr sW \w\\$1
.ie \\n(sW>=\\n(fW \{\
. ie \\n(sW%\\n(fW .nr sW (\\n(sW/\\n(fW)+1
. el .nr sW \\n(sW/\\n(fW
.\}
.el .nr sW 0
..
.de aW
.nr sW \w\\*(A\\$1
.ie \\n(sW>=\\n(fW \{\
. ie \\n(sW%\\n(fW .nr sW (\\n(sW/\\n(fW)+1
. el .nr sW \\n(sW/\\n(fW
.\}
.el .nr sW 0
..
.\" NS Ql macro - Quoted literal define
.de Ql
.if \\n(aC==0 \{\
. ds mN Ql
. ds A1 \\$1
. ds A2 \\$2
. ds A3 \\$3
. ds A4 \\$4
. ds A5 \\$5
. ds A6 \\$6
. ds A7 \\$7
. ds A8 \\$8
. ds A9 \\$9
. nr fV \\n(.$
. fV
.\}
.ds qL \&\\*(sL
.ds qR \&\\*(sR
.En \\$1 \\$2 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8 \\$9
..
.\" NS Sh macro - Section Headers
.\" NS nS register - Section Header SYNOPSIS flag
.\" NS nF register - Section Header FILES flag
.\" NS nA register - Section Header SEE ALSO flag
.\" NS nT register - Section Header STANDARDS flag
.de Sh
.nr nS 0
.nr sE 0
.nr iS 0
.ie "\\$1"NAME" \{\
. hK
' in 0
.\}
.el \{\
. nr nS 0
. nr nA 0
. nr nF 0
. nr nT 0
. nr nY 0
. nr aN 0
. nr oT 0
. if "\\$1"SEE" .nr nA 1
. if "\\$1"FILES" .nr nF 1
. if "\\$1"STANDARDS" .nr nT 1
. if "\\$1"SYNOPSIS" .nr nS 1
. if "\\$1"DESCRIPTION" \{\
. rr fB
. rr Fb
. ds Fb
. nr fY 0
. nr fZ 0
. \}
. if "\\$1"AUTHORS" .nr nY 1
. in 0
.\}
.pL
'sp
.ns
.ta .5i 1i 1.5i 2i 2.5i 3i 3.5i 4i 4.5i 5i 5.5i 6i 6.5i
.if !\\n(cR .ne 3
'fi
\&\\*(sH\\$1 \|\\$2 \|\\$3 \|\\$4 \|\\$5 \|\\$6 \|\\$7 \|\\$8 \|\\$9
\&\fP\s0\&
.in \\n(.iu+\\n(Tiu
.if "\\$1"SEE" .nr sE 1
.ns
..
.\" Make null point size delta macros, so perhaps someday we can run
.\" with .warn