On Sun, 30 Aug 2009, Julian Reschke wrote: > Ian Hickson wrote: > > ... > > The main advantage of rel="up up up" rather than rel="up3" is that for UAs > > that only need to know that the link is an "up" and don't care about how far > > "up" it goes, the keyword automatically works -- you don't have to do > > rel="up up3". Also, it means that we don't have to register an infinite > > number of keywords for all possible depths. > > ... > > (moving this particular discussion over to the HTML WG mailing list) > > The main disadvantage is that a recipient that only looks for "up" and which > tries to build a tree of resources, treating "up up up" as "up" will create a > broken tree. > > On the other hand, the advantage you are citing is only an advantage if a > given resource only contains "up up up", but not also "up up" and "up". What > you be the point of that? A UA that treats any number of "up"s as the same would not interpret "up" as "up1", but as meaning that the referenced document was some higher- level document in the hierarchy. -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'Received on Monday, 31 August 2009 06:21:19 UTC
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