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Let say I have linked to www.example.com/page which is what will be displayed in the visitors address bar.
The actual page is www.example.com/page.htm.
This page includes get data, so lets assume the visitor is on the page www.example.com/page?widget=green
If I put a link on the page such as <a href="#top">Back to top</a>, IE and mozilla will both interpret the link as pointing to www.example.com/page?widget=green#top. However Opera will link to www.example.com/page.htm#top.
I believe this is because of the http header "Content-Location: page.htm" that will be returned with the page request.
I can overcome this behaviour by linking instead to REQUEST_URI#top however I have a couple of questions:
Is Opera's behaviour correct? While the browser is informed of the actual content location, the page does return a 200, so should the original URL not be used? Why would Opera also remove query strings from the link?
Should I give up on multiviews and try to use mod_rewrite instead?
The Content-Location entity-header field MAY be used to supply the resource location for the entity enclosed in the message when that entity is accessible from a location separate from the requested resource's URI. A server SHOULD provide a Content-Location for the variant corresponding to the response entity; especially in the case where a resource has multiple entities associated with it, and those entities actually have separate locations by which they might be individually accessed, the server SHOULD provide a Content-Location for the particular variant which is returned.
Content-Location = "Content-Location" ":"
( absoluteURI ¦ relativeURI )
The value of Content-Location also defines the base URI for the entity.