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.\" ========================================================================
.IX Title "Encode::Unicode::UTF7 3"
.TH Encode::Unicode::UTF7 3 "2001-09-21" "perl v5.8.8" "Perl Programmers Reference Guide"
Encode::Unicode::UTF7 \-\- UTF\-7 encoding
\& use Encode qw/encode decode/;
\& $utf7 = encode("UTF-7", $utf8);
\& $utf8 = decode("UTF-7", $ucs2);
This module implements \s-1UTF\-7\s0 encoding documented in \s-1RFC\s0 2152. \s-1UTF\-7\s0,
as its name suggests, is a 7\-bit re-encoded version of \s-1UTF\-16BE\s0. It
is designed to be MTA-safe and expected to be a standard way to
exchange Unicoded mails via mails. But with the advent of \s-1UTF\-8\s0 and
8\-bit compliant MTAs, \s-1UTF\-7\s0 is hardly ever used.
\&\s-1UTF\-7\s0 was not supported by Encode until version 1.95 because of that.
But Unicode::String, a module by Gisle Aas which adds Unicode supports
to non\-utf8\-savvy perl did support \s-1UTF\-7\s0, the \s-1UTF\-7\s0 support was added
so Encode can supersede Unicode::String 100%.
When you want to encode Unicode for mails and web pages, however, do
not use \s-1UTF\-7\s0 unless you are sure your recipients and readers can
handle it. Very few MUAs and \s-1WWW\s0 Browsers support these days (only
Mozilla seems to support one). For general cases, use \s-1UTF\-8\s0 for
message body and MIME-Header for header instead.
Encode, Encode::Unicode, Unicode::String
\&\s-1RFC\s0 2781 <http://www.ietf.org/rfc/rfc2152.txt>