Index: TODO
===================================================================
diff -u -r2ef93fd4af1fbb75fea9fa09bb2661a4c3edd525 -r56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a
--- TODO	(.../TODO)	(revision 2ef93fd4af1fbb75fea9fa09bb2661a4c3edd525)
+++ TODO	(.../TODO)	(revision 56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a)
@@ -3761,9 +3761,34 @@
 - removed conditionals in AddInstance() and RemoveInstance()
 - dropped result from RemoveInstance()
 
+nsf.c:
+- added method NsfMethodNamePath() to compute the ensemble path
+  in error messages
+- reduce verbosity
+- extended regression test
+
 ========================================================================
 TODO:
 
+ - make rough comparsion table with NX, XOTcl, tclOO, itcl, Ruby, Python
+   Most general superclass
+   Metaclass
+   Per-object methods
+   Per-Object mixins -- none, class, or class hierarchy
+   Per-Class mixins -- none, class, or class hierarchy
+   transitive mixins classes
+   Per-object filters
+   Per-class filters
+   aliases
+   Traits
+   Composite Traits
+   Method protection public/protected/private
+   positional arguments   none, leading args, arbitrary
+   argument value checkers
+   Create objects classes with no callable methods
+
+
+   
  - doc/tutorial2.html
 
  - warnings for "numeric" names for args and nonpos-args?
@@ -3796,7 +3821,7 @@
    * add switch -array for "variable"? (Just setting is trivial,
      handling setters and incremental setter is more work)
 
- - call user defined setter in object parameters?
+ - call user-defined setter in object parameters?
 
  - NsfObjWrongArgs() & friends is not aware of submethods. Error
    messages print with the leaf method names only, e.g.: "anObj method
Index: generic/nsf.c
===================================================================
diff -u -r6c08389a5c2ec56b3dd75e754ab9be88e94be6c0 -r56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a
--- generic/nsf.c	(.../nsf.c)	(revision 6c08389a5c2ec56b3dd75e754ab9be88e94be6c0)
+++ generic/nsf.c	(.../nsf.c)	(revision 56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a)
@@ -3060,7 +3060,49 @@
   return MethodName(methodObj);
 }
 
+/*
+ *----------------------------------------------------------------------
+ * NsfMethodNamePath --
+ *
+ *    Compute the full method name for error messages containing the
+ *    ensemble root.
+ *
+ * Results:
+ *    Tcl_Obj, caller has to take care for refcounting
+ *
+ * Side effects:
+ *    None.
+ *
+ *----------------------------------------------------------------------
+ */
 
+Tcl_Obj *
+NsfMethodNamePath(Tcl_Interp *interp, Tcl_Obj *procObj) {
+  Tcl_CallFrame *framePtr;
+  NsfCallStackContent *cscPtr = CallStackGetTopFrame(interp, &framePtr);
+  Tcl_Obj *resultObj;
+
+  /* NsfShowStack(interp);*/
+  if ((cscPtr->flags & NSF_CSC_CALL_IS_ENSEMBLE)) {
+    resultObj = Tcl_NewListObj(0, NULL);
+    Tcl_ListObjAppendElement(interp, resultObj, 
+			     Tcl_NewStringObj(Tcl_GetCommandName(interp, cscPtr->cmdPtr), -1));
+    Tcl_ListObjAppendElement(interp, resultObj, Tcl_NewStringObj(MethodName(procObj), -1));
+  } else {
+    resultObj = Tcl_NewStringObj(MethodName(procObj), -1);
+  }
+  /* The following might be needed for deeper nested errors, but so far, it
+     does not appear to be necessary. Just kept as a reminder here */
+#if 0
+  if ((cscPtr->frameType & NSF_CSC_TYPE_ENSEMBLE)) {
+    cscPtr = CallStackFindEnsembleCsc(framePtr, &framePtr);
+    fprintf(stderr, "inside ensemble\n");
+  }
+#endif
+
+  return resultObj;
+}
+
 /*
  *----------------------------------------------------------------------
  * NsColonVarResolver --
@@ -9335,8 +9377,10 @@
          * these elements takes care that the cmdPtr is deleted on a pop
          * operation (although we do a Tcl_DeleteCommandFromToken() below.
          */
-	fprintf(stderr, "methodName %s found DELETED object with cmd %p my cscPtr %p\n",
-		methodName, cmd, cscPtr);
+
+	/*fprintf(stderr, "methodName %s found DELETED object with cmd %p my cscPtr %p\n",
+	  methodName, cmd, cscPtr);*/
+
 	assert(cscPtr->cmdPtr == cmd);
         Tcl_DeleteCommandFromToken(interp, cmd);
 	if (cscPtr->cl) {
@@ -15979,6 +16023,7 @@
   return TCL_OK;
 }
 
+
 /*
  *----------------------------------------------------------------------
  * ArgumentParse --
Index: generic/nsfError.c
===================================================================
diff -u -ra09faeafaaacd8dcd4c52cdb86653993e8dc499a -r56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a
--- generic/nsfError.c	(.../nsfError.c)	(revision a09faeafaaacd8dcd4c52cdb86653993e8dc499a)
+++ generic/nsfError.c	(.../nsfError.c)	(revision 56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a)
@@ -198,7 +198,12 @@
   }
   if (methodName) {
     if (need_space) Tcl_AppendResult(interp, " ", (char *) NULL);
-    Tcl_AppendResult(interp, NsfMethodName(methodName), (char *) NULL);
+
+    Tcl_Obj *resultObj = NsfMethodNamePath(interp, methodName);
+    INCR_REF_COUNT(resultObj);
+    Tcl_AppendResult(interp, ObjStr(resultObj), (char *) NULL);
+    DECR_REF_COUNT(resultObj);
+
     need_space = 1;
   }
   if (arglist != NULL) {
Index: generic/nsfInt.h
===================================================================
diff -u -ra09faeafaaacd8dcd4c52cdb86653993e8dc499a -r56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a
--- generic/nsfInt.h	(.../nsfInt.h)	(revision a09faeafaaacd8dcd4c52cdb86653993e8dc499a)
+++ generic/nsfInt.h	(.../nsfInt.h)	(revision 56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a)
@@ -940,6 +940,8 @@
 extern void NsfReportVars(Tcl_Interp *interp);
 extern void NsfDStringArgv(Tcl_DString *dsPtr, int objc, Tcl_Obj *CONST objv[]);
 
+extern Tcl_Obj *NsfMethodNamePath(Tcl_Interp *interp, Tcl_Obj *procObj);
+
 /* 
  * NsfFlag type
  */
Index: tests/info-method.test
===================================================================
diff -u -rc4997e0189bb712287aa53d12bb3e332acfb781d -r56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a
--- tests/info-method.test	(.../info-method.test)	(revision c4997e0189bb712287aa53d12bb3e332acfb781d)
+++ tests/info-method.test	(.../info-method.test)	(revision 56a0f7cc781f54a9f16fea75e9df1dfef4c8e11a)
@@ -1021,4 +1021,11 @@
   ? {D info methods} "c1 d1 d2"
   ? {D info methods -closure *2} "m2 d2 c2"
   ? {D info methods -closure -source application} "m1 m2 c1 d1 d2 c2"
+}
+
+#
+# Test error messages within an ensemble call
+#
+nx::Test case error-in-ensemble {
+  ? {nx::Object info method definition foo 1} {Invalid argument '1', maybe too many arguments; should be "::nx::Object info method args|body|definition|exists|registrationhandle|definitionhandle|handle|origin|parameter|parametersyntax|type|precondition|postcondition|submethods name"}
 }
\ No newline at end of file