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Re: Images on validation results page (MSIE 5.0)

From: Brian Gilkison <gilkison@one.net>
Date: Tue, 17 Apr 2001 10:39:25 -0400 (EDT)
To: www-validator@w3.org
Message-ID: <Pine.LNX.4.21.0104170805580.22808-100000@shell.one.net>
On Mon, 16 Apr 2001, Terje Bless wrote:
> Yes, and it may be local to your installation too. Some conflict between
> QuickTime and MSIE possibly; or just a plain MSIE bug.

If it helps to narrow it down, I believe it the problem is specific to
either 5.0 or 5.01 -- I ran 5.5 on Win98 SE, and now WinME, and have not
had a problem with the images loading.

> The "missing" filename extension is an artifact of the Content Negotiation;
> it should not be a problem at this level of the transaction (it can cause
> other "problems" (can confuse the user) on Windows, but conforming User
> Agents should deal transparently with this).

Far be it from me to add fuel to the fire on this one, but is it 100%
certain that the server is sending the correct MIME types?  The reason I
say this is from the following scenario...

1) Where possible on my personal site, I have attempted to use content
negotiation just as the validator does; hence, if a page is valid, I will
have a badge which points to
"http://w3.one.net/~gilkison/img/valid-html401" (no .gif or .png
extension, as my ISP supports content negotiation)

2) If I validate my a page at my site
(http://w3.one.net/~gilkison/genealogy/ for example) then the validation
results page shows two different badge images.  If I right-click on the
image in MSIE (the one before the "Congratulations" text), and select
"Properties" from the popup menu, then I see an 'Address (URL)' of
"http://www.w3.org/Icons/valid-html401" and a 'Type' of "File".

3) If, from the results page, I go directly to the validated page, and
right-click on the Valid HTML at the bottom of my page, then the exact
same image displays an 'Address (URL)' of
"http://w3.one.net/~gilkison/img/valid-html401" and a 'Type' of "GIF
Image".

Point #3 tells me that MSIE is seeing what it considers a valid content
type from my ISP, but not from the Validator (#2); regardless of the site,
MSIE 5.5 displays the correct image for me (and as I type this, I'm
running MSIE on Win95 at my office, so I don't think it has anything to do
with the OS version).

From a diagnostic standpoint, my version of MSIE appears to present
"image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*" in the
HTTP_ACCEPT header...

Is there any chance the server compress the content in any way?  I found a
reference in MS Knowledgebase to problems with compressed content --
"Internet Explorer 5.5 Does Not Allow Compressed Content Over HTTP Version
1.0" (http://support.microsoft.com/support/kb/articles/Q274/8/03.ASP)...

Just throwing out my $.02 in hopes of solving this...

Brian

>  Brian Gilkison     | gilkison@one.net             <
>  Lotus PCLP - R4,R5 | http://w3.one.net/~gilkison/ <
>                                                    <
>  Power corrupts. Absolute power is kind of neat.   <
Received on Tuesday, 17 April 2001 12:16:06 GMT

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