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On 03/10/2010 02:02, Mukul Gandhi wrote:
2. Can xs:float really be designed a subtype of xs:double. no but they could both have been subtypes of a new numeric type sitting between the existing ones and xs:atomic type. The xpath/xquery specs essentially informally use such a type to http://www.w3.org/TR/xpath20/#dt-numeric but because it isn't really a type there have to be special XDM type promotion rules. David
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