Support for User-Agent?

wmperry@indiana.edu (William M. Perry)

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Date: Mon, 16 May 1994 22:12:26 +0200
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From: wmperry@indiana.edu (William M. Perry)
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Subject: Support for User-Agent?
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>>>>> "cjm" == Christopher J McRae <mcrae@ora.com> writes:

cjm>   We need the User-Agent header for a number of reasons - most
cjm> particularly for remaining backwards-compatible with older clients
cjm> as the technology continues to develop.  I don't believe that
cjm> Mosaic currently sends it, and I know that violaWWW does.  What
cjm> about the other clients?  Is there any will out there to add this
cjm> anytime soon?

  Mosaic for X sends it, but in a totally broken way.  According to the
spec, there should be at most two tokens on the line.  Something like:

User-Agent: XMosaic/2.4; libwww/version#

  Mosaic sends:

User-Agent: NCSA Mosaic for the X Window System/2.4; libwww/version#

  Not exactly adherent. :) Easy enough to change though.  mo-www.c needs to
change char*HTAppName = "Mosaic-X";

  Emacs-w3, violaWWW, and lynx all send the correct User-Agent field.

cjm> By the way, 'Referer:' would be nice too.

  Emacs-w3 and lynx are the only ones I know of that implement this
already.

-Bill P.