Index: TODO
===================================================================
diff -u -r06f89c385bcc658773eb4dcda50e56abba2eb656 -r3cb6a6a8f1e33e63abeec25b3c36231702af6fe2
--- TODO	(.../TODO)	(revision 06f89c385bcc658773eb4dcda50e56abba2eb656)
+++ TODO	(.../TODO)	(revision 3cb6a6a8f1e33e63abeec25b3c36231702af6fe2)
@@ -1021,6 +1021,8 @@
   
 - replaced several occurrences of "eval" in nx.tcl and xotcl2.tcl
 
+- implemented parameter option "allowempty"
+- extended regression test
 
 TODO: 
 - nameing
@@ -1053,6 +1055,15 @@
         package require nx::test
         namespace import ::nx::*
 
+    * parameter option allowempty is a little longish; we should
+      choose probably a shorter name
+
+      Object create o {
+        :method foo {x:integer,allowempty y:integer os:object,multivalued,allowempty} {
+          return $x
+        }
+      }
+
 - documentation
    - documentationssytem
    - langref (xotcl 2.0 + next-scripting)
@@ -1192,7 +1203,6 @@
 - info valuecheck?
 - turn off optionally value checking
 - get rid of "::xotcl::is"?
-- value checker (allowempty)
 
 # TODO (optimization): optimizer can improve parameter checking:
 #       (a) simple approach: make scripted setter methods on domain