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.\" ========================================================================
.\"
.IX Title "Locale::Codes::LangVar 3"
.TH Locale::Codes::LangVar 3 "2013-03-04" "perl v5.16.3" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.SH "NAME"
Locale::Codes::LangVar \- standard codes for language variation identification
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Locale::Codes::LangVar;
\&
\& $lvar = code2langvar(\*(Aqacm\*(Aq); # $lvar gets \*(AqMesopotamian Arabic\*(Aq
\& $code = langvar2code(\*(AqMesopotamian Arabic\*(Aq); # $code gets \*(Aqacm\*(Aq
\&
\& @codes = all_langvar_codes();
\& @names = all_langvar_names();
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \f(CW\*(C`Locale::Codes::LangVar\*(C'\fR module provides access to standard codes
used for identifying language variations, such as those as defined in
the \s-1IANA\s0 language registry.
.PP
Most of the routines take an optional additional argument which
specifies the code set to use. If not specified, the default \s-1IANA\s0
language registry codes will be used.
.SH "SUPPORTED CODE SETS"
.IX Header "SUPPORTED CODE SETS"
There are several different code sets you can use for identifying
language variations. A code set may be specified using either a name, or a
constant that is automatically exported by this module.
.PP
For example, the two are equivalent:
.PP
.Vb 2
\& $lvar = code2langvar(\*(Aqen\*(Aq,\*(Aqalpha\-2\*(Aq);
\& $lvar = code2langvar(\*(Aqen\*(Aq,LOCALE_CODE_ALPHA_2);
.Ve
.PP
The codesets currently supported are:
.IP "\fBalpha\fR" 4
.IX Item "alpha"
This is the set of alphanumeric codes from the \s-1IANA\s0
language registry, such as 'arevela' for Eastern Armenian.
.Sp
This code set is identified with the symbol \f(CW\*(C`LOCALE_LANGVAR_ALPHA\*(C'\fR.
.Sp
This is the default code set.
.SH "ROUTINES"
.IX Header "ROUTINES"
.IP "\fBcode2langvar ( \s-1CODE\s0 [,CODESET] )\fR" 4
.IX Item "code2langvar ( CODE [,CODESET] )"
.PD 0
.IP "\fBlangvar2code ( \s-1NAME\s0 [,CODESET] )\fR" 4
.IX Item "langvar2code ( NAME [,CODESET] )"
.IP "\fBlangvar_code2code ( \s-1CODE\s0 ,CODESET ,CODESET2 )\fR" 4
.IX Item "langvar_code2code ( CODE ,CODESET ,CODESET2 )"
.IP "\fBall_langvar_codes ( [\s-1CODESET\s0] )\fR" 4
.IX Item "all_langvar_codes ( [CODESET] )"
.IP "\fBall_langvar_names ( [\s-1CODESET\s0] )\fR" 4
.IX Item "all_langvar_names ( [CODESET] )"
.IP "\fBLocale::Codes::LangVar::rename_langvar ( \s-1CODE\s0 ,NEW_NAME [,CODESET] )\fR" 4
.IX Item "Locale::Codes::LangVar::rename_langvar ( CODE ,NEW_NAME [,CODESET] )"
.IP "\fBLocale::Codes::LangVar::add_langvar ( \s-1CODE\s0 ,NAME [,CODESET] )\fR" 4
.IX Item "Locale::Codes::LangVar::add_langvar ( CODE ,NAME [,CODESET] )"
.IP "\fBLocale::Codes::LangVar::delete_langvar ( \s-1CODE\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::LangVar::delete_langvar ( CODE [,CODESET] )"
.IP "\fBLocale::Codes::LangVar::add_langvar_alias ( \s-1NAME\s0 ,NEW_NAME )\fR" 4
.IX Item "Locale::Codes::LangVar::add_langvar_alias ( NAME ,NEW_NAME )"
.IP "\fBLocale::Codes::LangVar::delete_langvar_alias ( \s-1NAME\s0 )\fR" 4
.IX Item "Locale::Codes::LangVar::delete_langvar_alias ( NAME )"
.IP "\fBLocale::Codes::LangVar::rename_langvar_code ( \s-1CODE\s0 ,NEW_CODE [,CODESET] )\fR" 4
.IX Item "Locale::Codes::LangVar::rename_langvar_code ( CODE ,NEW_CODE [,CODESET] )"
.IP "\fBLocale::Codes::LangVar::add_langvar_code_alias ( \s-1CODE\s0 ,NEW_CODE [,CODESET] )\fR" 4
.IX Item "Locale::Codes::LangVar::add_langvar_code_alias ( CODE ,NEW_CODE [,CODESET] )"
.IP "\fBLocale::Codes::LangVar::delete_langvar_code_alias ( \s-1CODE\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::LangVar::delete_langvar_code_alias ( CODE [,CODESET] )"
.PD
These routines are all documented in the Locale::Codes::API man page.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\fBLocale::Codes\fR" 4
.IX Item "Locale::Codes"
The Locale-Codes distribution.
.IP "\fBLocale::Codes::API\fR" 4
.IX Item "Locale::Codes::API"
The list of functions supported by this module.
.IP "\fBhttp://www.iana.org/assignments/language\-subtag\-registry\fR" 4
.IX Item "http://www.iana.org/assignments/language-subtag-registry"
The \s-1IANA\s0 language subtag registry.
.SH "AUTHOR"
.IX Header "AUTHOR"
See Locale::Codes for full author history.
.PP
Currently maintained by Sullivan Beck (sbeck@cpan.org).
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
.Vb 1
\& Copyright (c) 2011\-2012 Sullivan Beck
.Ve
.PP
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
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