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+#!/usr/bin/sed -nf
+#
+# $NetBSD: makewhatis.sed,v 1.8 1995/02/23 17:23:54 jtc Exp $
+#
+# Copyright (c) 1988 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.
+#
+# @(#)makewhatis.sed 8.4 (Berkeley) 4/3/94
+#
+
+/^[a-zA-Z][a-zA-Z0-9\._+\-]*(\([a-zA-Z0-9\._+\-]*\).*/ {
+ s;^[a-zA-Z0-9\._+\-]*(\([a-zA-Z0-9\._+\-]*\).*;\1;
+ h
+ d
+}
+
+/^NNAAMMEE/!d
+
+:name
+ s;.*;;
+ N
+ s;\n;;
+ # some twits underline the command name
+ s;_;;g
+ /^[^ ]/b print
+ H
+ b name
+
+:print
+ x
+ s;\n;;g
+ /-/!d
+ s;.;;g
+ s;\([a-z][A-z]\)-[ ][ ]*;\1;
+ s;\([a-zA-Z0-9,\._+\-]\)[ ][ ]*;\1 ;g
+ s;[^a-zA-Z0-9\._+\-]*\([a-zA-Z0-9\._+\-]*\)[^a-zA-Z0-9\._+\-]*\(.*\) - \(.*\);\2 (\1) - \3;
+ p
+ q