Encode::MIME::Header - phpMan

Encode::MIME::Header(3pPerl Programmers Reference GuiEncode::MIME::Header(3pm)



NAME
       Encode::MIME::Header -- MIME ’B’ and ’Q’ header encoding

SYNOPSIS
           use Encode qw/encode decode/;
           $utf8   = decode(’MIME-Header’, $header);
           $header = encode(’MIME-Header’, $utf8);

ABSTRACT
       This module implements RFC 2047 Mime Header Encoding.  There are 3 variant encoding
       names; "MIME-Header", "MIME-B" and "MIME-Q".  The difference is described below

                     decode()          encode()
         ----------------------------------------------
         MIME-Header Both B and Q      =?UTF-8?B?....?=
         MIME-B      B only; Q croaks  =?UTF-8?B?....?=
         MIME-Q      Q only; B croaks  =?UTF-8?Q?....?=

DESCRIPTION
       When you decode(=?encoding?X?ENCODED WORD?=), ENCODED WORD is extracted and decoded
       for X encoding (B for Base64, Q for Quoted-Printable). Then the decoded chunk is
       fed to decode(encoding).  So long as encoding is supported by Encode, any source
       encoding is fine.

       When you encode, it just encodes UTF-8 string with X encoding then quoted with
       =?UTF-8?X?....?= .  The parts that RFC 2047 forbids to encode are left as is and
       long lines are folded within 76 bytes per line.

BUGS
       It would be nice to support encoding to non-UTF8, such as =?ISO-2022-JP?  and
       =?ISO-8859-1?= but that makes the implementation too complicated.  These days major
       mail agents all support =?UTF-8? so I think it is just good enough.

SEE ALSO
       Encode

       RFC 2047, <http://www.faqs.org/rfcs/rfc2047.html> and many other locations.



perl v5.8.6                       2001-09-21         Encode::MIME::Header(3pm)

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