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Re: ANNOUNCE: NCSA X Mosaic 2.6b1 Released

From: Henrik Frystyk Nielsen <frystyk@w3.org>
Date: Thu, 6 Apr 1995 22:27:43 +0500
Message-Id: <9504070227.AA00580@www20>
To: www-talk@www10.w3.org, mogens@cs.stanford.edu

> > o HTTP header User-Agent now uses a slightly different format, for
> >   consistency with other platforms: 
> >
> >  User-Agent: NCSA Mosaic/2.6b1 (X11; SunOS 4.1.3 sun4m) libwww/2.12 modified
> >
> 
> Is it possible that this field will ever conform to the spec?  
>    User-Agent: NCSA-X-Mosaic/2.6b1 SunOS/4.1.3 libwww/2.12-modified

Well, it's not far from it. Everything within '(' and ')' is to be considered
a comment which is not part of the field, but is allowed. So what is left is
the two phrases:

	 NCSA Mosaic/2.6b1	and 	libwww/2.12 modified

Here the problem is that both contain a space which is not allowed in a token.

A User-Agent field like

   User-Agent: NCSA-Mosaic/2.6b1 (X11; SunOS 4.1.3 sun4m) libwww/2.12-modified

would be OK.


-- cheers --

Henrik Frystyk
frystyk@W3.org
+ 1 617 258 8143
World-Wide Web Project,
MIT/LCS, 545 Technology Square
Cambridge MA 02154
USA
Received on Thursday, 6 April 1995 22:27:48 UTC

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