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.IX Title "Encode::TW 3perl"
.TH Encode::TW 3perl 2023-11-30 "perl v5.38.2" "Perl Programmers Reference Guide"
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.SH NAME
Encode::TW \- Taiwan\-based Chinese Encodings
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 3
\&    use Encode qw/encode decode/; 
\&    $big5 = encode("big5", $utf8); # loads Encode::TW implicitly
\&    $utf8 = decode("big5", $big5); # ditto
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This module implements tradition Chinese charset encodings as used
in Taiwan and Hong Kong.
Encodings supported are as follows.
.PP
.Vb 12
\&  Canonical   Alias             Description
\&  \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-
\&  big5\-eten   /\ebbig\-?5$/i      Big5 encoding (with ETen extensions)
\&          /\ebbig5\-?et(en)?$/i
\&          /\ebtca\-?big5$/i
\&  big5\-hkscs  /\ebbig5\-?hk(scs)?$/i
\&              /\ebhk(scs)?\-?big5$/i
\&                                Big5 + Cantonese characters in Hong Kong
\&  MacChineseTrad                Big5 + Apple Vendor Mappings
\&  cp950                         Code Page 950 
\&                                = Big5 + Microsoft vendor mappings
\&  \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-
.Ve
.PP
To find out how to use this module in detail, see Encode.
.SH NOTES
.IX Header "NOTES"
Due to size concerns, \f(CW\*(C`EUC\-TW\*(C'\fR (Extended Unix Character), \f(CW\*(C`CCCII\*(C'\fR
(Chinese Character Code for Information Interchange), \f(CW\*(C`BIG5PLUS\*(C'\fR
(CMEX's Big5+) and \f(CW\*(C`BIG5EXT\*(C'\fR (CMEX's Big5e) are distributed separately
on CPAN, under the name Encode::HanExtra. That module also contains
extra China-based encodings.
.SH BUGS
.IX Header "BUGS"
Since the original \f(CW\*(C`big5\*(C'\fR encoding (1984) is not supported anywhere
(glibc and DOS-based systems uses \f(CW\*(C`big5\*(C'\fR to mean \f(CW\*(C`big5\-eten\*(C'\fR; Microsoft
uses \f(CW\*(C`big5\*(C'\fR to mean \f(CW\*(C`cp950\*(C'\fR), a conscious decision was made to alias
\&\f(CW\*(C`big5\*(C'\fR to \f(CW\*(C`big5\-eten\*(C'\fR, which is the de facto superset of the original
big5.
.PP
The \f(CW\*(C`CNS11643\*(C'\fR encoding files are not complete. For common \f(CW\*(C`CNS11643\*(C'\fR
manipulation, please use \f(CW\*(C`EUC\-TW\*(C'\fR in Encode::HanExtra, which contains
planes 1\-7.
.PP
The ASCII region (0x00\-0x7f) is preserved for all encodings, even
though this conflicts with mappings by the Unicode Consortium.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Encode