Index: library/lib/pkgIndex.tcl
===================================================================
diff -u -r9ab6a86b4aee196f04363d13e5eadbdfdb814a06 -rd31c271afb2488abafa0642b07538a3e62106130
--- library/lib/pkgIndex.tcl	(.../pkgIndex.tcl)	(revision 9ab6a86b4aee196f04363d13e5eadbdfdb814a06)
+++ library/lib/pkgIndex.tcl	(.../pkgIndex.tcl)	(revision d31c271afb2488abafa0642b07538a3e62106130)
@@ -8,13 +8,17 @@
 # script is sourced, the variable $dir must contain the
 # full path name of this file's directory.
 
-package ifneeded nx::callback 1.0 [list source [file join $dir nx-callback.tcl]]
 package ifneeded nx::doc 1.0 [list source [file join $dir nxdoc-core.tcl]]
 package ifneeded nx::doc::dc 1.0 [list source [file join $dir nxdoc-dc.tcl]]
 package ifneeded nx::doc::html 1.0 [list source [file join $dir nxdoc-html.tcl]]
 package ifneeded nx::doc::xodoc 1.0 [list source [file join $dir nxdoc-xodoc.tcl]]
 package ifneeded nx::doc::xowiki 1.0 [list source [file join $dir nxdoc-xowiki.tcl]]
 package ifneeded nx::pp 1.0 [list source [file join $dir pp.tcl]]
 package ifneeded nx::test 1.0 [list source [file join $dir test.tcl]]
-package ifneeded nx::trait 0.2 [list source [file join $dir nx-traits.tcl]]
+package ifneeded nx::trait 0.3 [list source [file join $dir nx-traits.tcl]]
+package ifneeded nx::traits::callback 1.0 [list source [file join $dir nx-callback.tcl]]
 package ifneeded nx::zip 1.1 [list source [file join $dir nx-zip.tcl]]
+# -*- Tcl -*-
+namespace eval ::nsf {
+  set traitIndex(nx::traits::callback) {script {package require nx::traits::callback}}
+}