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.\" ========================================================================
.\"
.IX Title "Encode::JP 3"
.TH Encode::JP 3 "2002-11-24" "perl v5.8.0" "Perl Programmers Reference Guide"
.SH "NAME"
Encode::JP \- Japanese Encodings
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\& use Encode qw/encode decode/;
\& $euc_jp = encode("euc-jp", $utf8); # loads Encode::JP implicitly
\& $utf8 = decode("euc-jp", $euc_jp); # ditto
.Ve
.SH "ABSTRACT"
.IX Header "ABSTRACT"
This module implements Japanese charset encodings. Encodings
supported are as follows.
.PP
.Vb 21
\& Canonical Alias Description
\& --------------------------------------------------------------------
\& euc-jp /\ebeuc.*jp$/i EUC (Extended Unix Character)
\& /\ebjp.*euc/i
\& /\ebujis$/i
\& shiftjis /\ebshift.*jis$/i Shift JIS (aka MS Kanji)
\& /\ebsjis$/i
\& 7bit-jis /\ebjis$/i 7bit JIS
\& iso-2022-jp ISO-2022-JP [RFC1468]
\& = 7bit JIS with all Halfwidth Kana
\& converted to Fullwidth
\& iso-2022-jp-1 ISO-2022-JP-1 [RFC2237]
\& = ISO-2022-JP with JIS X 0212-1990
\& support. See below
\& MacJapanese Shift JIS + Apple vendor mappings
\& cp932 Code Page 932
\& = Shift JIS + MS/IBM vendor mappings
\& jis0201-raw JIS0201, raw format
\& jis0208-raw JIS0201, raw format
\& jis0212-raw JIS0201, raw format
\& --------------------------------------------------------------------
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
To find out how to use this module in detail, see Encode.
.SH "Note on ISO\-2022\-JP(\-1)?"
.IX Header "Note on ISO-2022-JP(-1)?"
\&\s-1ISO\-2022\-JP\-1\s0 (\s-1RFC2237\s0) is a superset of \s-1ISO\-2022\-JP\s0 (\s-1RFC1468\s0) which
adds support for \s-1JIS\s0 X 0212\-1990. That means you can use the same
code to decode to utf8 but not vice versa.
.PP
.Vb 1
\& $utf8 = decode('iso-2022-jp-1', $stream);
.Ve
.PP
and
.PP
.Vb 1
\& $utf8 = decode('iso-2022-jp', $stream);
.Ve
.PP
yield the same result but
.PP
.Vb 1
\& $with_0212 = encode('iso-2022-jp-1', $utf8);
.Ve
.PP
is now different from
.PP
.Vb 1
\& $without_0212 = encode('iso-2022-jp', $utf8 );
.Ve
.PP
In the latter case, characters that map to 0212 are first converted
to U+3013 (0xA2AE in \s-1EUC\-JP\s0; a white square also known as 'Tofu' or
\&'geta mark') then fed to the decoding engine. U+FFFD is not used,
in order to preserve text layout as much as possible.
.SH "BUGS"
.IX Header "BUGS"
The \s-1ASCII\s0 region (0x00\-0x7f) is preserved for all encodings, even
though this conflicts with mappings by the Unicode Consortium. See
.PP
<http://www.debian.or.jp/~kubota/unicode\-symbols.html.en>
.PP
to find out why it is implemented that way.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Encode
|
