MirOS Manual: Encode::Unicode::UTF7(3p)


ext::Encode::lib:PerloPerxotg:r:aEmnmceordse:R:elfiebr:e:nEcnecode::Unicode::UTF7(3p)

NAME

     Encode::Unicode::UTF7 -- UTF-7 encoding

SYNOPSIS

         use Encode qw/encode decode/;
         $utf7 = encode("UTF-7", $utf8);
         $utf8 = decode("UTF-7", $ucs2);

ABSTRACT

     This module implements UTF-7 encoding documented in RFC
     2152.  UTF-7, as its name suggests, is a 7-bit re-encoded
     version of UTF-16BE.  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 UTF-8 and 8-bit compliant
     MTAs, UTF-7 is hardly ever used.

     UTF-7 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
     UTF-7, the UTF-7 support was added so Encode can supersede
     Unicode::String 100%.

In Practice

     When you want to encode Unicode for mails and web pages,
     however, do not use UTF-7 unless you are sure your reci-
     pients and readers can handle it.  Very few MUAs and WWW
     Browsers support these days (only Mozilla seems to support
     one).  For general cases, use UTF-8 for message body and
     MIME-Header for header instead.

SEE ALSO

     Encode, Encode::Unicode, Unicode::String

     RFC 2781 <http://www.ietf.org/rfc/rfc2152.txt>

perl v5.8.8                2005-02-05                           1

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