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CentOS 7.0 - man page for encode::unicode::utf7 (centos section 3)

Encode::Unicode::UTF7(3)       User Contributed Perl Documentation	 Encode::Unicode::UTF7(3)

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

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

       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

In Practice
       When you want to encode Unicode for mails and web pages, however, do not use UTF-7 unless
       you are sure your recipients 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.

       Encode, Encode::Unicode, Unicode::String

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

perl v5.16.3				    2013-04-29			 Encode::Unicode::UTF7(3)

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