Index: library/nx/nx.tcl
===================================================================
diff -u -r52a0f3588723b74acd74a83be339c80b5b4a6701 -re1e31d0d9747f31ff953c390dcb91796db47751e
--- library/nx/nx.tcl	(.../nx.tcl)	(revision 52a0f3588723b74acd74a83be339c80b5b4a6701)
+++ library/nx/nx.tcl	(.../nx.tcl)	(revision e1e31d0d9747f31ff953c390dcb91796db47751e)
@@ -2,6 +2,7 @@
 package require nsf
 
 namespace eval ::nx {
+  namespace eval ::nsf {}; # make pkg indexer happy
   #
   # By setting the variable bootstrap, we can check later, whether we
   # are in bootstrapping mode
@@ -32,7 +33,6 @@
   #
   # get frequenly used primitiva from the next scripting framework 
   #
-  namespace eval ::nsf {}; # make pkg indexer happy
   namespace import ::nsf::next ::nsf::current ::nsf::self
 
   #
@@ -53,6 +53,9 @@
   # Default Methods (referenced via createobjectsystem)
   ######################################################################
   
+  namespace eval ::nsf::methods {}; # make pkg indexer happy
+  namespace eval ::nsf::methods::object {}; # make pkg indexer happy
+
   # Actually, we do not need an unknown handler, but if someone
   # defines his own unknwon handler we define it automatically
   proc ::nsf::methods::object::unknown {m args} {
@@ -79,7 +82,6 @@
   foreach cmd [list uplevel upvar] {
     ::nsf::method::property Object $cmd call-protected 1
   }
-
   unset cmd
 
   # protect some methods against redefinition
@@ -1857,7 +1859,7 @@
   foreach m [Class info methods] {
     ::nsf::method::property Class $m class-only true
   }
-  unset m
+  if {[info exists m]} {unset m}
 
   ######################################################################
   # some utilities