Re: xml:base abuse

[Sam Ruby <rubys@xxxxxxxxxxxxxxxx>]

Sjoerd Visscher wrote:
> 
> Sam Ruby wrote:
> 
>>>> URI(doc) = http://www.w3future.com/weblog/rss.xml?notransform
>>>> xml:base = http://w3future.com/weblog/rss.xml?notransform
>>>
>>> Ah, ok, I missed that. (Just to be sure, you added www yourself, or is
>>> there a link to the feed somewhere with www in it?)
>>
>> Your feed is available from both of the URI's mentioned above.  The
>> tinyurl quoted above is based on passing the first one to the feed
>> validator.
> 
> Oh, this is actually interesting. I send a 301 when you use
> www.w3future.com. It looks like this is handled transparently by your
> http library, giving you the file at w3future.com. In that case it
> should be possible to request the actual uri that is used to get the file.

Fixed.

> And then there's also the Content-Location header, which sets the base
> URI. This is used with content negotiation. F.e. (I haven't actually
> implemented this) if you would send a request to
>   http://w3future.com/weblog/
> with the header
>   Accept: application/atom+xml
> I could send you the atom file with this header:
>   Content-Location: http://w3future.com/weblog/rss.xml?notransform
> 
> Afaik this is how the HTTP spec suggest to implement content
> negotiation. Then the value of Content-Location should be considered to
> be the uri of the document.

I now check for content-location too.

- Sam Ruby