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On Sep 25, 2009, at 9:52 AM, Philippe Lhoste wrote:

I always wondered what is the real usage of these. The reference, which you are kind enough to provide, isn't very helpful. Is that fuzzy logic? :-)

This is related to the so-called "content negotiation":

For example, a browser could send a language preference, e.g.:

Accept-Language: en-us,en;q=0.5,fr;q=0.1

In other words, give the content in American English, English, or French, in that order of preference.

The "quality" value (e.g. q=0.5) provides a mean to sort the preferences.

Another common example would be encoding:

Accept-Encoding: gzip,deflate

This tell the server that the content can be compressed when sending a response, and that gzip would be preferred over deflate.

In any case, will hack something with the string library :D