Index: TODO
===================================================================
diff -u -r353fe0c41d46ad9d3475bd4b8ea16aea6aae0419 -r39607bed15618248130a1251cc2b1c2a03db93b0
--- TODO	(.../TODO)	(revision 353fe0c41d46ad9d3475bd4b8ea16aea6aae0419)
+++ TODO	(.../TODO)	(revision 39607bed15618248130a1251cc2b1c2a03db93b0)
@@ -1752,6 +1752,9 @@
 - provided ::nsf::parametersyntax for 3 ::nsf commands 
   and 7 nx methods (from relationslots)
 
+- fix requiredness of several info methods
+- added "nsf::configure debug ?level?"
+
 TODO: 
 
 - "-returns" 
Index: generic/gentclAPI.decls
===================================================================
diff -u -r353fe0c41d46ad9d3475bd4b8ea16aea6aae0419 -r39607bed15618248130a1251cc2b1c2a03db93b0
--- generic/gentclAPI.decls	(.../gentclAPI.decls)	(revision 353fe0c41d46ad9d3475bd4b8ea16aea6aae0419)
+++ generic/gentclAPI.decls	(.../gentclAPI.decls)	(revision 39607bed15618248130a1251cc2b1c2a03db93b0)
@@ -34,7 +34,7 @@
   {-argName "arg" -required 0 -type tclobj}
 }
 nsfCmd configure NsfConfigureCmd {
-  {-argName "configureoption" -required 1 -type "filter|softrecreate|objectsystems|keepinitcmd|checkresults|checkarguments"}
+  {-argName "configureoption" -required 1 -type "debug|filter|softrecreate|objectsystems|keepinitcmd|checkresults|checkarguments"}
   {-argName "value" -required 0 -type tclobj}
 }
 nsfCmd createobjectsystem NsfCreateObjectSystemCmd {
@@ -237,21 +237,21 @@
   {-argName "name"}
 }
 objectInfoMethod hasmixin NsfObjInfoHasMixinMethod {
-  {-argName "class" -type class}
+  {-argName "class" -required 1 -type class}
 }
 objectInfoMethod hasnamespace NsfObjInfoHasnamespaceMethod {
 }
 objectInfoMethod hastype NsfObjInfoHasTypeMethod {
-  {-argName "class" -type class}
+  {-argName "class" -required 1 -type class}
 }
 objectInfoMethod is NsfObjInfoIsMethod {
-  {-argName "objectkind" -type "class|baseclass|metaclass"}
+  {-argName "objectkind" -required 1 -type "class|baseclass|metaclass"}
 }
 objectInfoMethod lookupfilter NsfObjInfoLookupFilterMethod {
-  {-argName "filter"}
+  {-argName "filter" -required 1}
 }
 objectInfoMethod lookupmethod NsfObjInfoLookupMethodMethod {
-  {-argName "name" -type tclobj}
+  {-argName "name" -required 1 -type tclobj}
 }
 objectInfoMethod lookupmethods NsfObjInfoLookupMethodsMethod {
   {-argName "-callprotection" -nrargs 1 -type "all|protected|public" -default all}
@@ -267,7 +267,7 @@
 }
 objectInfoMethod method NsfObjInfoMethodMethod {
   {-argName "infomethodsubcmd" -type "args|body|definition|handle|parameter|parametersyntax|type|precondition|postcondition|submethods"}
-  {-argName "name" -type tclobj}
+  {-argName "name" -required 1 -type tclobj}
 }
 objectInfoMethod methods NsfObjInfoMethodsMethod {
   {-argName "-callprotection" -nrargs 1 -type "all|protected|public" -default public}
@@ -320,7 +320,7 @@
 
 classInfoMethod method NsfClassInfoMethodMethod {
   {-argName "infomethodsubcmd" -type "args|body|definition|handle|parameter|parametersyntax|type|precondition|postcondition|submethods"}
-  {-argName "name" -type tclobj}
+  {-argName "name" -required 1 -type tclobj}
 }
 classInfoMethod methods NsfClassInfoMethodsMethod {
   {-argName "-callprotection" -nrargs 1 -type "all|protected|public" -default public}
Index: generic/nsf.c
===================================================================
diff -u -r353fe0c41d46ad9d3475bd4b8ea16aea6aae0419 -r39607bed15618248130a1251cc2b1c2a03db93b0
--- generic/nsf.c	(.../nsf.c)	(revision 353fe0c41d46ad9d3475bd4b8ea16aea6aae0419)
+++ generic/nsf.c	(.../nsf.c)	(revision 39607bed15618248130a1251cc2b1c2a03db93b0)
@@ -12420,7 +12420,7 @@
 
 /*
 nsfCmd configure NsfConfigureCmd {
-  {-argName "configureoption" -required 1 -type "filter|softrecreate|objectsystems|keepinitcmd|checkresult"}
+  {-argName "configureoption" -required 1 -type "debug|filter|softrecreate|objectsystems|keepinitcmd|checkresult"}
   {-argName "value" -required 0 -type tclobj}
 }
 */
@@ -12442,6 +12442,22 @@
     return TCL_OK;
   }
 
+  if (configureoption == ConfigureoptionDebugIdx) {
+    int level;
+
+    if (valueObj) {
+      int result = Tcl_GetIntFromObj(interp, valueObj, &level);
+      if (result != TCL_OK) {
+	return result;
+      }
+      RUNTIME_STATE(interp)->debugLevel = level;
+    }
+    Tcl_SetIntObj(Tcl_GetObjResult(interp),
+                      RUNTIME_STATE(interp)->debugLevel);
+
+    return TCL_OK;
+  }
+
   if (valueObj) {
     int result = Tcl_GetBooleanFromObj(interp, valueObj, &bool);
     if (result != TCL_OK)
@@ -15380,7 +15396,7 @@
 
 /*
 objectInfoMethod hasmixin NsfObjInfoHasMixinMethod {
-  {-argName "class" -type class}
+  {-argName "class" -required 1 -type class}
 }
 */
 static int
@@ -15401,7 +15417,7 @@
 
 /*
 objectInfoMethod hastype NsfObjInfoHasTypeMethod {
-  {-argName "class" -type class}
+  {-argName "class" -required 1 -type class}
 }
 */
 static int
@@ -15412,7 +15428,7 @@
 
 /*
 objectInfoMethod is NsfObjInfoIsMethod {
-  {-argName "objectkind" -type "class|baseclass|metaclass"}
+  {-argName "objectkind" -required 1 -type "class|baseclass|metaclass"}
 }
 */
 static int
@@ -15440,7 +15456,7 @@
 
 /*
 objectInfoMethod lookupfilter NsfObjInfoLookupFilterMethod {
-  {-argName "filter"}
+  {-argName "filter" -required 1}
 }
 */
 static int
@@ -15475,7 +15491,7 @@
 
 /*
 objectInfoMethod lookupmethod NsfObjInfoLookupMethodMethod {
-  {-argName "pattern" -required 0}
+  {-argName "name" -required 1 -type tclobj}
 }
 */
 static int
@@ -15602,7 +15618,7 @@
 /*
 objectInfoMethod method NsfObjInfoMethodMethod {
   {-argName "infomethodsubcmd" -type "args|body|definition|handle|parameter|parametersyntax|type|precondition|postcondition|subcommands"}
-  {-argName "name"}
+  {-argName "name" -required 1 -type tclobj}
 }
 */
 
@@ -15856,7 +15872,7 @@
 /*
 classInfoMethod method NsfClassInfoMethodMethod {
   {-argName "infomethodsubcmd" -type "args|body|definition|handle|parameter|parametersyntax|type|precondition|postcondition|subcommands"}
-  {-argName "name"}
+  {-argName "name" -required 1 -type tclobj}
 }
 */
 
Index: generic/nsfInt.h
===================================================================
diff -u -rc5d841d4cd001b85e95e01202b4fc0afe75df6a8 -r39607bed15618248130a1251cc2b1c2a03db93b0
--- generic/nsfInt.h	(.../nsfInt.h)	(revision c5d841d4cd001b85e95e01202b4fc0afe75df6a8)
+++ generic/nsfInt.h	(.../nsfInt.h)	(revision 39607bed15618248130a1251cc2b1c2a03db93b0)
@@ -685,11 +685,12 @@
   int errorCount;
   /* these flags could move into a bitarray, but are used only once per interp*/
   int unknown;
-  int doFilters;
   int doSoftrecreate;
   int doKeepinitcmd;
   int doCheckResults;
   int doCheckArguments;
+  int doFilters;
+  int debugLevel;
   int exitHandlerDestroyRound;
   int returnCode;
   int overloadedMethods;
Index: generic/tclAPI.h
===================================================================
diff -u -r353fe0c41d46ad9d3475bd4b8ea16aea6aae0419 -r39607bed15618248130a1251cc2b1c2a03db93b0
--- generic/tclAPI.h	(.../tclAPI.h)	(revision 353fe0c41d46ad9d3475bd4b8ea16aea6aae0419)
+++ generic/tclAPI.h	(.../tclAPI.h)	(revision 39607bed15618248130a1251cc2b1c2a03db93b0)
@@ -79,12 +79,12 @@
   return result;
 }
   
-enum ConfigureoptionIdx {ConfigureoptionNULL, ConfigureoptionFilterIdx, ConfigureoptionSoftrecreateIdx, ConfigureoptionObjectsystemsIdx, ConfigureoptionKeepinitcmdIdx, ConfigureoptionCheckresultsIdx, ConfigureoptionCheckargumentsIdx};
+enum ConfigureoptionIdx {ConfigureoptionNULL, ConfigureoptionDebugIdx, ConfigureoptionFilterIdx, ConfigureoptionSoftrecreateIdx, ConfigureoptionObjectsystemsIdx, ConfigureoptionKeepinitcmdIdx, ConfigureoptionCheckresultsIdx, ConfigureoptionCheckargumentsIdx};
 
 static int ConvertToConfigureoption(Tcl_Interp *interp, Tcl_Obj *objPtr, NsfParam CONST *pPtr, 
 			    ClientData *clientData, Tcl_Obj **outObjPtr) {
   int index, result;
-  static CONST char *opts[] = {"filter", "softrecreate", "objectsystems", "keepinitcmd", "checkresults", "checkarguments", NULL};
+  static CONST char *opts[] = {"debug", "filter", "softrecreate", "objectsystems", "keepinitcmd", "checkresults", "checkarguments", NULL};
   result = Tcl_GetIndexFromObj(interp, objPtr, opts, "configureoption", 0, &index);
   *clientData = (ClientData) INT2PTR(index + 1);
   *outObjPtr = objPtr;
@@ -163,7 +163,7 @@
   {ConvertToMethodproperty, "class-only|call-protected|redefine-protected|returns|slotcontainer|slotobj"},
   {ConvertToRelationtype, "object-mixin|class-mixin|object-filter|class-filter|class|superclass|rootclass"},
   {ConvertToSource, "all|application|baseclasses"},
-  {ConvertToConfigureoption, "filter|softrecreate|objectsystems|keepinitcmd|checkresults|checkarguments"},
+  {ConvertToConfigureoption, "debug|filter|softrecreate|objectsystems|keepinitcmd|checkresults|checkarguments"},
   {ConvertToAssertionsubcmd, "check|object-invar|class-invar"},
   {NULL, NULL}
 };
@@ -2118,7 +2118,7 @@
 },
 {"::nsf::methods::class::info::method", NsfClassInfoMethodMethodStub, 2, {
   {"infomethodsubcmd", 0|NSF_ARG_IS_ENUMERATION, 0, ConvertToInfomethodsubcmd},
-  {"name", 0, 0, ConvertToTclobj}}
+  {"name", NSF_ARG_REQUIRED, 0, ConvertToTclobj}}
 },
 {"::nsf::methods::class::info::methods", NsfClassInfoMethodsMethodStub, 6, {
   {"-callprotection", 0|NSF_ARG_IS_ENUMERATION, 1, ConvertToCallprotection},
@@ -2353,22 +2353,22 @@
   {"name", 0, 0, ConvertToString}}
 },
 {"::nsf::methods::object::info::hasmixin", NsfObjInfoHasMixinMethodStub, 1, {
-  {"class", 0, 0, ConvertToClass}}
+  {"class", NSF_ARG_REQUIRED, 0, ConvertToClass}}
 },
 {"::nsf::methods::object::info::hastype", NsfObjInfoHasTypeMethodStub, 1, {
-  {"class", 0, 0, ConvertToClass}}
+  {"class", NSF_ARG_REQUIRED, 0, ConvertToClass}}
 },
 {"::nsf::methods::object::info::hasnamespace", NsfObjInfoHasnamespaceMethodStub, 0, {
   }
 },
 {"::nsf::methods::object::info::is", NsfObjInfoIsMethodStub, 1, {
-  {"objectkind", 0|NSF_ARG_IS_ENUMERATION, 0, ConvertToObjectkind}}
+  {"objectkind", NSF_ARG_REQUIRED|NSF_ARG_IS_ENUMERATION, 0, ConvertToObjectkind}}
 },
 {"::nsf::methods::object::info::lookupfilter", NsfObjInfoLookupFilterMethodStub, 1, {
-  {"filter", 0, 0, ConvertToString}}
+  {"filter", NSF_ARG_REQUIRED, 0, ConvertToString}}
 },
 {"::nsf::methods::object::info::lookupmethod", NsfObjInfoLookupMethodMethodStub, 1, {
-  {"name", 0, 0, ConvertToTclobj}}
+  {"name", NSF_ARG_REQUIRED, 0, ConvertToTclobj}}
 },
 {"::nsf::methods::object::info::lookupmethods", NsfObjInfoLookupMethodsMethodStub, 7, {
   {"-callprotection", 0|NSF_ARG_IS_ENUMERATION, 1, ConvertToCallprotection},
@@ -2384,7 +2384,7 @@
 },
 {"::nsf::methods::object::info::method", NsfObjInfoMethodMethodStub, 2, {
   {"infomethodsubcmd", 0|NSF_ARG_IS_ENUMERATION, 0, ConvertToInfomethodsubcmd},
-  {"name", 0, 0, ConvertToTclobj}}
+  {"name", NSF_ARG_REQUIRED, 0, ConvertToTclobj}}
 },
 {"::nsf::methods::object::info::methods", NsfObjInfoMethodsMethodStub, 6, {
   {"-callprotection", 0|NSF_ARG_IS_ENUMERATION, 1, ConvertToCallprotection},
Index: library/nx/nx.tcl
===================================================================
diff -u -r353fe0c41d46ad9d3475bd4b8ea16aea6aae0419 -r39607bed15618248130a1251cc2b1c2a03db93b0
--- library/nx/nx.tcl	(.../nx.tcl)	(revision 353fe0c41d46ad9d3475bd4b8ea16aea6aae0419)
+++ library/nx/nx.tcl	(.../nx.tcl)	(revision 39607bed15618248130a1251cc2b1c2a03db93b0)
@@ -1516,12 +1516,12 @@
 
   interp alias {} ::nx::self {} ::nsf::current object
 
-  set value "?add class?|?assign classes?|?get?|?delete class?"
+  set value "?add class?|?classes?|?delete class?"
   set ::nsf::parametersyntax(::nsf::classes::nx::Object::mixin) $value
   set ::nsf::parametersyntax(::nsf::classes::nx::Class::mixin) $value
   set ::nsf::parametersyntax(::nsf::classes::nx::Class::superclass) $value
   set ::nsf::parametersyntax(::nsf::classes::nx::Object::class) "?class?"
-  set value "?add filter?|?assign filters?|?get?|?delete filter?"
+  set value "?add filter?|?filters?|?delete filter?"
   set ::nsf::parametersyntax(::nsf::classes::nx::Object::filter) $value
   set ::nsf::parametersyntax(::nsf::classes::nx::Class::filter) $value
   set ::nsf::parametersyntax(::nsf::classes::nx::Object::eval) "arg ?arg ...?"