Hi

As has been reported before several times and as was once attempted to be
fixed (although the author vanished before the patch was in a sensible state),
some servers sends bad deflate stream that lacks the header.

I got a URL privately that returns such a content and I wrote up a patch after
reading some Firefox code that does the similar work-around (see patch for URL
to the Firefox code).

I'm not sure this patch is working perfectly so I would like someone who
experiences this problem and knows how the content should look like to see if
this patch fixes the problem or if it needs some further tweaks.

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