fixed new tense structure in next-resourc/demo

lib/next-resource/demo/DemoTha.gf

@@ -0,0 +1,24 @@
+--# -path=.:alltenses
+
+concrete DemoTha of Demo = 
+  NounTha - [AdvCN,PredetNP,PPartNP,RelNP,RelCN,SentCN,
+             ApposCN,MassNP,DetNP,ComplN3,Use2N3,Use3N3,AdvNP], 
+--  VerbTha, 
+  ClauseTha, --
+  AdjectiveTha - [SentAP,ComplA2,UseA2,DemoA2],
+  AdverbTha,
+  NumeralTha,
+----  SentenceTha,
+  QuestionTha - [QuestVP,QuestSlash],
+----  RelativeTha,
+----  ConjunctionTha,
+----  PhraseTha,
+----  TextX,
+----  IdiomTha,
+  StructuralTha - [everybody_NP,everything_NP,something_NP],
+  LexiconTha
+  ** {
+
+flags startcat = Phr ; unlexer = text ; lexer = text ;
+
+} ;