3 .\" Copyright (c) 1991, 1993
4 .\" The Regents of the University of California. All rights reserved.
6 .\" Redistribution and use in source and binary forms, with or without
7 .\" modification, are permitted provided that the following conditions
9 .\" 1. Redistributions of source code must retain the above copyright
10 .\" notice, this list of conditions and the following disclaimer.
11 .\" 2. Redistributions in binary form must reproduce the above copyright
12 .\" notice, this list of conditions and the following disclaimer in the
13 .\" documentation and/or other materials provided with the distribution.
15 .\" ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change]
16 .\" 4. Neither the name of the University nor the names of its contributors
17 .\" may be used to endorse or promote products derived from this software
18 .\" without specific prior written permission.
20 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 .\" @(#)doc-nroff 8.1 (Berkeley) 06/08/93
39 .\" use -rD=1 for double-sided printing
43 .\" use -rcR=0 to have multiple pages instead of a single, very long page
47 .\" the following switch is ignored in nroff mode
51 .\" the `doc-xx-font' strings must not be empty!
53 .ds doc-caption-font \f[R]
54 .ds doc-caption-font2 \f[R]
75 .ds doc-Tn-font-shape \f[R]
80 .ds doc-left-parenthesis \f[R](\f[]
81 .ds doc-right-parenthesis \f[R])\f[]
84 .ds doc-left-bracket \f[R][\f[]
85 .ds doc-right-bracket \f[R]]\f[]
88 .nr doc-subheader-indent .5i
89 .nr doc-paragraph-space 1v
92 .nr doc-digit-width \w'\0\0'u
93 .nr doc-fixed-width \w'0'
97 .\" NS doc-header-space global register
98 .\" NS the space between header and body
100 .nr doc-header-space 0.5i
103 .\" NS doc-footer-space global register
104 .\" NS the space between body and footer
106 .nr doc-footer-space 0.5i
109 .\" NS doc-display-vertical global register
110 .\" NS vertical space between list elements etc.
112 .nr doc-display-vertical 0
115 .\" NS doc-setup-page-layout macro
116 .\" NS set up page layout
119 .\" NS doc-display-vertical
121 .de doc-setup-page-layout
134 . nr doc-display-vertical 1v
142 .ds doc-left-singlequote \[oq]
143 .ds doc-right-singlequote \[cq]
145 .\" the following strings are `official'
161 .\" Unicode TTYs have all glyph forms; for other TTY character sets we need
162 .\" character representations which are different from GNU troff's standard
164 .ie '\*[.T]'utf8' \{\
182 .\" NS doc-header-string global string
183 .\" NS the final string used for the manual page header
185 .ds doc-header-string
188 .\" NS doc-setup-header macro
189 .\" NS install and initialize header and footer support
192 .\" NS doc-header-string
195 . ds doc-header-string "\*[doc-document-title]
196 . if !"\*[doc-section]"Null" \
197 . as doc-header-string (\*[doc-section])
203 . wh -1.167i doc-footer
210 .\" NS doc-get-width macro
211 .\" NS computes the width of a string as a multiple of `doc-fixed-width':
212 .\" NS `.doc-get-width string'
218 . nr doc-width \w
\a\$1
\a
219 . ie (\n[doc-width] >= \n[doc-fixed-width]) \{\
220 . ie (\n[doc-width] % \n[doc-fixed-width]) \
221 . nr doc-width ((\n[doc-width] / \n[doc-fixed-width]) + 1)
223 . nr doc-width (\n[doc-width] / \n[doc-fixed-width])
230 .\" NS doc-get-arg-width macro
231 .\" NS computes the width of an argument as a multiple of
232 .\" NS `doc-fixed-width': `.doc-get-arg-width arg-index'
237 .de doc-get-arg-width
238 . nr doc-width \w
\a\*[doc-arg\$1]
\a
239 . ie (\n[doc-width] >= \n[doc-fixed-width]) \{\
240 . ie (\n[doc-width] % \n[doc-fixed-width]) \
241 . nr doc-width ((\n[doc-width] / \n[doc-fixed-width]) + 1)
243 . nr doc-width (\n[doc-width] / \n[doc-fixed-width])
251 .\" NS quoted literal define
254 .\" NS doc-macro-name
255 .\" NS doc-quote-left
256 .\" NS doc-quote-right
258 .\" NS width register `Ql' set in doc-common
261 . if !\n[doc-arg-limit] \{\
263 . ds doc-macro-name Ql
265 . tm Usage: .Ql argument ... (#\n[.c])
268 . ds doc-quote-left "\*[doc-left-singlequote]
269 . ds doc-quote-right "\*[doc-right-singlequote]
271 . doc-enclose-string \$@