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Great work on the gzhandler output buffering, im sure it will help a lot of us, bandwidth starved people.
I had a question though, our sites extensivly use 'Last-modified' and 'Expires' headers to optimunly interact with search engine spiders and user browsers (this prevents ppl from looking @ outdated local cache's, and reloads the html page when updated).
However in my experiments so far with gzip'd output + output buffering, those headers were lost in the browser, thus rendering that part of functionality useless.
Do you have any experiance / knowledge of this situation, will the browser reload the page everytime if the transport is gzip'd ? will it always ignore / loose the expires / last modified headers?
Any insights/comments are apreciated