The module files should contain syntactically valid XQuery code. The formal semantics spec you cite is not concerned with syntax, and not everything described there has a coresponding syntactic construct. The none type is one example from the formal semantics that cannot be expressed syntactically. To see what types can be expressed syntactically, you have to look here:
http://www.w3.org/TR/xquery-30/#id-sequencetype-syntax -- https://code.launchpad.net/~zorba-coders/zorba/fix_bug_987830/+merge/103370 Your team Zorba Coders is subscribed to branch lp:zorba. -- Mailing list: https://launchpad.net/~zorba-coders Post to : zorba-coders@lists.launchpad.net Unsubscribe : https://launchpad.net/~zorba-coders More help : https://help.launchpad.net/ListHelp
