[Bug 3918] Section 3.1.7

http://www.w3.org/Bugs/Public/show_bug.cgi?id=3918

           Summary: Section 3.1.7
           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: mrys@microsoft.com
         QAContact: public-qt-comments@w3.org


If two tokens appear in the same sentence and in different sentences, then both
same sentence and different sentence return true.

Which one of the following cases does this mean to cover:
1.      sentence 1: A B sentence 2: A B
2.      sentence 1: A B sentence 2: A sentence 3: B
3.      sentence 1: A B sentence 2: B
?