Index: TODO
===================================================================
diff -u -re70ae3f77d1a4c644b233fcb782d0f71d2eae430 -r570b3538965101b43ca08cf3c23a3acd826c14df
--- TODO	(.../TODO)	(revision e70ae3f77d1a4c644b233fcb782d0f71d2eae430)
+++ TODO	(.../TODO)	(revision 570b3538965101b43ca08cf3c23a3acd826c14df)
@@ -2244,6 +2244,7 @@
         Approach 2: use parameter forwarder
         Approach 3: use parameter alias
      we switched from approach 1 to approach 3
+- extended regression test
 
 
 TODO:
Index: tests/parameters.test
===================================================================
diff -u -raedc1032110ff312eab8b83878d10a9e6ae401e7 -r570b3538965101b43ca08cf3c23a3acd826c14df
--- tests/parameters.test	(.../parameters.test)	(revision aedc1032110ff312eab8b83878d10a9e6ae401e7)
+++ tests/parameters.test	(.../parameters.test)	(revision 570b3538965101b43ca08cf3c23a3acd826c14df)
@@ -1496,3 +1496,24 @@
   ? {cc user_id} 456
 }
 
+#
+# Test parameter alias and parameter forwarder
+#
+Test case parameter-without-data {
+
+  Class create C {
+    :attribute {x:alias}
+    :attribute {A:alias,arg=bar}
+    :attribute {{F:forward,arg=%self foo %1 a b c %method}}
+    :attribute {D def}
+    :public method x args {set :x $args}
+    :public method foo args {set :foo $args}
+    :public method bar args {set :bar $args}
+    :create c1 -F 123 -x x1 -A aha
+  }
+
+  ? {c1 eval {set :x}} "x1"
+  ? {c1 eval {set :foo}} "123 a b c F"
+  ? {c1 eval {set :bar}} "aha"
+  ? {lsort [c1 info lookup methods -source application]} "D bar foo x"
+}