+ Revision 1.12 2004/11/24 14:53:10 liekweg
+ Annotated after writing Tech Report
+
+ Revision 1.11 2004/11/02 14:30:56 liekweg
+ Re-allow multi-input join
+
+ Revision 1.10 2004/10/29 18:52:32 liekweg
+ Allow only two values for join
+
+ Revision 1.9 2004/10/29 18:38:36 liekweg
+ ** Allow store ::= ((valref|select),valref)
+
+ Revision 1.8 2004/10/25 13:51:32 boesler
+ minor changes like owner
+
+ Revision 1.7 2004/10/21 15:32:21 boesler
+ minor changes
+