David W. Morris: >On Mon, 11 Nov 1996, Koen Holtman wrote: > >> We don't think that a numeric range N -- infinity is a frequently >> occuring case, so there is no ftag>=N form to optimize it. > >Huh? I would expect a version check for at least N to be heavily used I do too, and it is accounted for. What happens is that the user agent uses a feature-expr "x_version<=100" to say: I support X versions 0 -- 100 and that an origin server uses an fpred (feature predicate) "x_version=80" to say: This variant uses version 80 of X So a >= operator is never used in version checks. >just like size<=N might be heavily used. Sometimes logical completeness >is sufficient to justify inclusion of a feature and that should be >the case here. As the draft is large already, I've been operating on the principle `never include an optimisation you cannot justify', so I did not include >=. However, adding >= would only cost a few lines of code in the average implementation. If you feel that symmetry considerations justify these lines, I'll add >= in the next version. >Dave Morris Koen.Received on Monday, 11 November 1996 14:00:32 UTC
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