260 lines
5.9 KiB
Groff
260 lines
5.9 KiB
Groff
.\" Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
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.\" at Electronni Visti IA, Kiev, Ukraine.
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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 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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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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.\" $FreeBSD$
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.\"
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.Dd January 27, 1995
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.Dt COLLDEF 1
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.Os
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.Sh NAME
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.Nm colldef
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.Nd convert collation sequence source definition
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.Sh SYNOPSIS
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.Nm
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.Op Fl I Ar map_dir
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.Op Fl o Ar out_file
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.Op Ar filename
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.Sh DESCRIPTION
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.Nm Colldef
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converts a collation sequence source definition
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into a format usable by the
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.Fn strxfrm
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and
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.Fn strcoll
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functions.
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It is used to define the many ways in which
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strings can be ordered and collated.
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.Fn strxfrm
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transforms
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its first argument and places the result in its second
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argument.
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The transformed string is such that it can be
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correctly ordered with other transformed strings by using
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.Fn strcmp ,
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.Fn strncmp ,
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or
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.Fn memcmp .
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.Fn strcoll
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transforms its arguments and does a
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comparison.
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.Pp
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.Nm Colldef
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reads the collation sequence source definition
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from the standard input and stores the converted definition in filename.
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The output file produced contains the
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database with collating sequence information in a form
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usable by system commands and routines.
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.Pp
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Options list:
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.Bl -tag -width 4n
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.It Fl I Ar map_dir
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This option set directory name where
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.Ar charmap
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files can be found, current directory by default.
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.It Fl o Ar out_file
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This option set output file name,
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.Ar LC_COLLATE
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by default.
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.El
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.Pp
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The collation sequence definition specifies a set of collating elements and
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the rules defining how strings containing these should be ordered.
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This is most useful for different language definitions.
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.Pp
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The specification file can consist of three statements:
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.Ar charmap ,
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.Ar substitute
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and
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.Ar order .
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.Pp
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Of these, only the
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.Ar order
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statement is required.
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When
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.Ar charmap
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or
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.Ar substitute
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is
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supplied, these statements must be ordered as above.
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Any
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statements after the order statement are ignored.
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.Pp
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Lines in the specification file beginning with a
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.Ar #
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are
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treated as comments and are ignored.
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Blank lines are also
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ignored.
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.Pp
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.Ar charmap charmapfile
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.Pp
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.Ar charmap
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defines where a mapping of the character
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and collating element symbols to the actual
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character encoding can be found.
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.Pp
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The format of
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.Ar charmapfile
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is shown below.
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Symbol
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names are separated from their values by TAB or
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SPACE characters. symbol-value can be specified in
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a hexadecimal (\ex\fI??\fR) or octal (\e\fI???\fR)
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representation, and can be only one character in length.
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.Bd -literal
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.Ar symbol-name1 symbol-value1
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.Ar symbol-name2 symbol-value2
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.Ar ...
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.Ed
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.Pp
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The
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.Ar charmap
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statement is optional.
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.Pp
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.Ar substitute
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\fIsymbol\fR
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.Ar with
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"\fIrepl_string\fR"
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.Pp
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The
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.Ar substitute
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statement substitutes the character
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.Ar symbol
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with the string
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.Ar repl_string .
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Symbol names cannot be specified in
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.Ar repl_string
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field.
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The
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.Ar substitute
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statement is optional.
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.Pp
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.Ar order order_list
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.Pp
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.Ar order_list
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is a list of symbols, separated by semi colons, that defines the
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collating sequence.
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The
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special symbol
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.Ar ...
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specifies, in a short-hand
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form, symbols that are sequential in machine code
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order.
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.Pp
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An order list element
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can be represented in any one of the following
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ways:
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.Bl -bullet
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.It
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The symbol itself (for example,
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.Ar a
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for the lower-case letter
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.Ar a )
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.It
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The symbol chain (for example,
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.Ar abc )
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.It
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In octal representation (for example,
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.Ar \e141
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for the letter
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.Ar a )
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.It
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In hexadecimal representation (for example,
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.Ar \ex61
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for the letter
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.Ar a )
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.It
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The symbol name as defined in the
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.Ar charmap
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file (for example,
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.Ar <abc>
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for
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.Ar abc \e023
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record in
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.Ar charmapfile ) .
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If character map name have
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.Ar >
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character, it must be escaped as
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.Ar /> ,
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single
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.Ar /
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must be escaped as
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.Ar // .
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.It
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Symbols
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.Ar \ea ,
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.Ar \eb ,
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.Ar \ef ,
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.Ar \en ,
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.Ar \er ,
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.Ar \ev
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are permitted in its usual C-language meaning
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.It
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The symbol range (for example,
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.Ar a;...;z )
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.It
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Comma-separated symbols, ranges and chains enclosed in parenthesis (for example
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.Ar \&(
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.Ar sym1 ,
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.Ar sym2 ,
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.Ar ...
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.Ar \&) )
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are assigned the
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same primary ordering but different secondary
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ordering.
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.It
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Comma-separated symbols, ranges and chains enclosed in curly brackets (for example
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.Ar \&{
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.Ar sym1 ,
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.Ar sym2 ,
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.Ar ...
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.Ar \&} )
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are assigned the same primary ordering only.
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.El
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.Pp
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The backslash character
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.Ar \e
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is used for continuation.
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In this case, no characters are permitted
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after the backslash character.
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.Sh DIAGNOSTICS
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.Nm Colldef
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exits with the following values:
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.Bl -tag -width indent
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.It Li 0
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No errors were found and the output was successfully created.
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.It Li !=0
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Errors were found.
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.El
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.Sh FILES
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.Ar /usr/share/locale/<language>/LC_COLLATE
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standard shared location for collation orders
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under the locale locale
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.Sh SEE ALSO
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.Xr mklocale 1 ,
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.Xr setlocale 3 ,
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.Xr strcoll 3 ,
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.Xr strxfrm 3
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