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+.\" Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+.\"
+.\" Permission is hereby granted, free of charge, to any person obtaining a
+.\" copy of this software and associated documentation files (the
+.\" "Software"), to deal in the Software without restriction, including
+.\" without limitation the rights to use, copy, modify, merge, publish,
+.\" distribute, and/or sell copies of the Software, and to permit persons
+.\" to whom the Software is furnished to do so, provided that the above
+.\" copyright notice(s) and this permission notice appear in all copies of
+.\" the Software and that both the above copyright notice(s) and this
+.\" permission notice appear in supporting documentation.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+.\" OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+.\" HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
+.\" INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
+.\" FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+.\" NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+.\" WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.\" Except as contained in this notice, the name of a copyright holder
+.\" shall not be used in advertising or otherwise to promote the sale, use
+.\" or other dealings in this Software without prior written authorization
+.\" of the copyright holder.
+.\"
+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.ds xL Xlib \- C Language X Interface
+.TH Compose __filemansuffix__ __vendorversion__
+.SH NAME
+Compose \- X client mappings for multi-key input sequences
+.SH DESCRIPTION
+The X library, libX11, provides a simple input method for characters
+beyond those represented on typical keyboards using sequences of key
+strokes that are combined to enter a single character.
+.PP
+The compose file is searched for in  the following order:
+.IP -
+If the environment variable
+.B $XCOMPOSEFILE
+is set, its value is used as the name of the Compose file.
+.IP -
+If the user's home directory has a file named
+.IR .XCompose ,
+it is used as the Compose file.
+.IP -
+The system provided compose file is used by mapping the locale to a compose
+file from the list in
+.IR __xlocaledir__/compose.dir .
+.PP
+Compose files can use an
+.RB \*q include \*q
+instruction.  This allows local modifications to be made to existing compose
+files without including all of the content directly.  For example, the
+system's iso8859-1 compose file can be included with a line like this:
+.RS 4
+.BI "include \*q" __xlocaledir__/iso8859-1/Compose \*q
+.RE
+.PP
+There are two substitutions that can be made in the file name of the
+include instruction.
+.I %H
+expands to the user's home directory (the
+.B $HOME
+environment variable), and
+.I %L
+expands to the name of the locale specific Compose file (i.e.,
+.RI \*q __xlocaledir__/<localename>/Compose \*q).
+.PP
+For example, you can include in your compose file the default Compose file
+by using:
+.RS
+.B "include \*q%L\*q"
+.RE
+and then rewrite only the few rules that you need to change.  New
+compose rules can be added, and previous ones replaced.
+.SH FILE FORMAT
+.\" Based on grammar description in modules/im/ximcp/imLcPrs.c
+Compose files are plain text files, with a separate line for each compose
+sequence.   Comments begin with \fB#\fP characters.   Each compose sequence
+specifies one or more events and a resulting input sequence, with an optional
+comment at the end of the line:
+.RS
+\fIEVENT\fP [\fIEVENT\fP...] \fB:\fP \fIRESULT\fP [\fB#\fP \fICOMMENT\fP]
+.RE
+.PP
+Each event consists of a specified input keysym, and optional modifier states:
+.RS
+[\fIMODIFIER_LIST\fP] \fB<\fP\fIkeysym\fP\fB>\fP
+.RE
+.PP
+Each modifier consists of a specified modifier and a state:
+.RS
+(\fB!\fP \fIMODIFIER\fP ) | \fBNone\fP
+.RE
+Modifiers may be preceded by a
+.RB \*q "~" \*q
+character to indicate that the modifier must not be present.
+.PP
+The result specifies a string, keysym, or both, that the X client receives
+as input when the sequence of events is input:
+.RS
+\fB\*q\fP\fISTRING\fP\fB\*q\fP | \fIkeysym\fP | \fB\*q\fP\fISTRING\fP\fB\*q\fP \fIkeysym\fP
+.RE
+.PP
+Keysyms are specified without the \fBXK_\fP prefix.
+.PP
+Strings may be direct text encoded in the locale for which the compose file is
+to be used, or an escaped octal or hexadecimal character code.   Octal codes
+are specified as \fB\*q\\123\*q\fP and hexadecimal codes as
+\fB\*q\\0x123a\*q\fP.
+It is not necessary to specify in the right part of a rule a locale encoded
+string in addition to the keysym name.  If the string is omitted, Xlib
+figures it out from the keysym according to the current locale.
+I.e., if a rule looks like:
+.RS
+\fB<dead_grave> <A> : \*q\\300\*q Agrave\fP
+.RE
+the result of the composition is always the letter with the "\\300"
+code.  But if the rule is:
+.RS
+\fB<dead_grave> <A> : Agrave\fP
+.RE
+the result depends on how Agrave is mapped in the current locale.
+.SH ENVIRONMENT
+.TP
+.B XCOMPOSEFILE
+File to use for compose sequences.
+.TP
+.B XCOMPOSECACHE
+Directory to use for caching compiled compose files.
+.SH FILES
+.TP
+.I $HOME/.Xcompose
+User default compose file if XCOMPOSEFILE is not set.
+.TP
+.I __xlocaledir__/compose.dir
+File listing the compose file path to use for each locale.
+.TP
+.I __xlocaledir__/<localemapping>/Compose
+System default compose file for the locale, mapped via compose.dir.
+.TP
+.I /var/cache/libx11/compose/
+System-wide cache directory for compiled compose files.
+.TP
+.I $HOME/.compose-cache/
+Per-user cache directory for compiled compose files.
+.SH SEE ALSO
+.BR XLookupString (__libmansuffix__),
+.BR XmbLookupString (__libmansuffix__),
+.BR XwcLookupString (__libmansuffix__),
+.BR Xutf8LookupString (__libmansuffix__),
+.BR mkcomposecache (__appmansuffix__),
+.BR locale (__miscmansuffix__).
+.br
+\fI\*(xL\fP