[Bug 5520] Why is document defined as a character sequence?

http://www.w3.org/Bugs/Public/show_bug.cgi?id=5520

           Summary: Why is document defined as a character sequence?
           Product: SML
           Version: LC
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core
        AssignedTo: cmsmcq@w3.org
        ReportedBy: pratul.dublish@microsoft.com
         QAContact: public-sml@w3.org


Minor point #1 in
http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2008Mar/0001.html


'document' as defined in the XML spec. is a character sequence -- this
seems unnecessarily restrictive -- surely a reference to the Infoset
spec. would be more appropriate here?