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3.9 Quality Values Connected: An Internet Encyclopedia
3.9 Quality Values

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3.9 Quality Values

3.9 Quality Values

HTTP content negotiation (section 12) uses short "floating point" numbers to indicate the relative importance ("weight") of various negotiable parameters. A weight is normalized to a real number in the range 0 through 1, where 0 is the minimum and 1 the maximum value. HTTP/1.1 applications MUST NOT generate more than three digits after the decimal point. User configuration of these values SHOULD also be limited in this fashion.

          qvalue         = ( "0" [ "." 0*3DIGIT ] )
                         | ( "1" [ "." 0*3("0") ] )

"Quality values" is a misnomer, since these values merely represent relative degradation in desired quality.

Next: 3.10 Language Tags

Connected: An Internet Encyclopedia
3.9 Quality Values


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