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Subject: Re: Does this "=20" look familiar
From: Rich Pieri <rich . pieri @ prescienttech . com>
Date: 02 Apr 1998 10:18:32 -0500
To: majordomo-users @ greatcircle . com
In-reply-to: jkaplan@world.std.com's message of "Thu, 02 Apr 1998 04:30:06 -0500"
Mail-copies-to: never
References: <s5226af8.038@aamc.org> <353b59bd.15885512@world.std.com>

-----BEGIN PGP SIGNED MESSAGE-----

>>>>> "JK" == Jeffrey Kaplan <jkaplan@world.std.com> writes:

JK> William Porter, you recently wrote:
; I have been getting this "=20" on bounced messages of late...any
; ideas...wporter@aamc.org

JK> '=20' is an artifact of a MIME-encapsulated message.

More correctly, it and similar codes are generated when 8-bit text is
converted into "quoted-printable"[1] text.  QP converts characters with the
high bit set to a hexadecimal rendering preceded by an '=' ('=' characters
are also converted to hex renderings).  An artifcact of QP encoding is that
trailing whitespace is also converted, so if a line has a trailing space
(ASCII 32, 20H), it is converted to the hex equivalent[2], '=20'.

[1] Frequently called "quoted-unreadable" because QP text is usually more
unreadable than it is printable.

[2] Why?  Someone utterly failed to consider the problems it would create
in relation to the perceived problem it would solve... kinda like HTML in
mail message bodies. :)

-----BEGIN PGP SIGNATURE-----
Version: 4.0 Business Edition
Charset: noconv

iQCVAwUBNSOsRZ6VRH7BJMxHAQGQ6AQAskfcAp92QA8/xQhGOQarPTIa57WdOnH8
H1JR5qegVELGJ9Rcmq0f8e6MBDfY36WW9RLnxJCt4zZCzHLivpTAMFiyO1bjls3N
mLWS4t8RPSP1FItpCATO1T77C/Xqd/u6Opg2CC7ADN2R8LLzdBLo8mmHOUj5mqvb
VzdCGnLZFd8=
=Eglp
-----END PGP SIGNATURE-----

-- 
Rich Pieri <rich.pieri@prescienttech.com> / If Happy Fun Ball begins to smoke,
Sysmonster, Unix Wrangler                / get away immediately. Seek shelter
Prescient Technologies, Inc.            / and cover head.
I speak for myself, not PTI or SWEC    / 



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