[Bug 3745] [FT] weights type

http://www.w3.org/Bugs/Public/show_bug.cgi?id=3745

           Summary: [FT] weights type
           Product: XPath / XQuery / XSLT
           Version: Working drafts
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Full Text
        AssignedTo: jim.melton@acm.org
        ReportedBy: holstege@mathling.com
         QAContact: public-qt-comments@w3.org


Section 3 (FTSelections)

First paragraph after EBNF (Technical)
Replace "can be any numeric value" with the verbiage on types we have other
places: "converted as if it were an argument to a function with the expected
type of "xs:double"