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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=23798

Mention force-no-vary workaround in Content Negotiation docs

           Summary: Mention force-no-vary workaround in Content Negotiation
                    docs
           Product: Apache httpd-2.0
           Version: HEAD
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Documentation
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]


Some or all versions of Internet Explorer seems to not cache a resources with
*any* Vary header. See discussion:
http://marc.theaimsgroup.com/?l=apache-httpd-users&m=106579308905249&w=2

The environment variable "forve-no-vary" can be used as a workaround, and this
is mentioned in the document Environment Variables. This should be pointed out
in the Content Negotiation document, under the section "Note on Caching", as
well, with a pointer to the env doc.

I'm no good with authoring ;), but something like this could be added to
http://httpd.apache.org/docs-2.0/content-negotiation.html#caching :

"Some clients don't interpret the Vary header, set in negotiated responses,
correctly (see the known client problems page
<./misc/known_client_problems.html>). This can result in that resources are not
properly cached. Setting the special force-no-vary environment variable may help
(see Special Purpose Environment Variables <./env.html#special>). Example:
 
    BrowserMatch MSIE force-no-vary=1
"

This is, of course, also relevant to Apache 1.3.

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