184 lines
5.5 KiB
Groff
184 lines
5.5 KiB
Groff
.\" $NetBSD: deroff.1,v 1.3 2005/07/05 15:28:16 wiz Exp $
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.\"
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.\" $OpenBSD: deroff.1,v 1.5 2003/06/10 09:12:10 jmc Exp $
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.\"
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.\" Copyright (c) 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" Copyright (C) Caldera International Inc. 2001-2002.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code and documentation must retain the above
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.\" copyright notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed or owned by Caldera
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.\" International, Inc.
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.\" 4. Neither the name of Caldera International, Inc. nor the names of other
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.\" contributors may be used to endorse or promote products derived from
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.\" this software without specific prior written permission.
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.\"
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.\" USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
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.\" INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" @(#)deroff.1 8.1 (Berkeley) 6/6/93
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.\"
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.Dd June 6, 1993
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.Dt DEROFF 1
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.Os
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.Sh NAME
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.Nm deroff
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.Nd remove nroff/troff, eqn, pic and tbl constructs
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.Sh SYNOPSIS
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.Nm deroff
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.Op Fl ikpw
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.Oo
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.Fl m
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.Ar a | e | l | m | s
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.Oc
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.Op Ar
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.Sh DESCRIPTION
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.Nm deroff
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reads each file in sequence and removes all
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.Xr nroff 1
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and
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.Xr troff 1
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command lines, backslash constructions, macro definitions,
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.Xr eqn 1
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constructs (between
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.Dq .EQ
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and
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.Dq .EN
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lines or between delimiters),
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.Xr pic 1
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pictures,
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and table descriptions and writes the remainder to the standard output.
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.Nm
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follows chains of included files
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.Po
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.Dq .so
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and
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.Dq .nx
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commands
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.Pc ;
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if a file has already been included, a
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.Dq .so
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is ignored and a
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.Dq .nx
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terminates execution.
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If no input file is given,
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.Nm
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reads from the standard input.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl i
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Ignore
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.Dq .so
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and
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.Dq .nx
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commands.
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.It Fl k
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Keep blocks of text intact.
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This is the default behavior unless the
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.Fl m
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option is given.
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.It Fl m
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Enable support for common macro packages.
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The
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.Fl m
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option takes the following arguments:
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.Bl -tag -width Ds -offset indent -compact
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.It a
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recognize
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.Xr man 7
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macros.
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.It e
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recognize
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.Xr me 7
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macros.
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.It l
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remove list constructs.
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.It m
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recognize
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.Xr mm 7
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macros.
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.It s
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recognize
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.Xr ms 7
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macros.
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.El
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.It Fl p
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Preserve paragraph macros.
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This option only has an effect if the
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.Fl m
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option is also specified.
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.It Fl w
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Output a word list, one
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.Sq word
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(string of letters, digits, and apostrophes, beginning with a
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letter; apostrophes are removed) per line, and all other characters
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ignored.
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Normally, the output follows the original, with the deletions
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mentioned above.
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.El
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.Sh SEE ALSO
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.Xr eqn 1 ,
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.Xr nroff 1 ,
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.Xr pic 1 ,
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.Xr tbl 1 ,
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.Xr troff 1
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.Sh HISTORY
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.Nm
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appeared in
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.At v7 .
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.Sh BUGS
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.Nm
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is not a complete
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.Xr troff 1
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interpreter, so it can be confused by subtle constructs.
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Most errors result in too much rather than too little output.
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.Pp
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The
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.Fl ml
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option does not correctly handle nested lists.
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