--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TraitDefinitionChange.st	Fri Jan 18 13:55:48 2013 +0100
@@ -0,0 +1,56 @@
+"{ Package: 'stx:libbasic3' }"
+
+Change subclass:#TraitDefinitionChange
+	instanceVariableNames:'baseTrait traitComposition category'
+	classVariableNames:''
+	poolDictionaries:''
+	category:'System-Changes'
+!
+
+!TraitDefinitionChange class methodsFor:'documentation'!
+
+documentation
+"
+    instances represent trait changes.
+    These are not present or supported (currently) in st/x, but may be encountered
+    when reading a monticello package containing traits.
+    Mostly experimental.
+"
+! !
+
+!TraitDefinitionChange methodsFor:'accessing'!
+
+baseTrait
+    ^ baseTrait
+!
+
+baseTrait:something
+    baseTrait := something.
+!
+
+category
+    ^ category
+!
+
+category:something
+    category := something.
+!
+
+traitComposition
+    ^ traitComposition
+!
+
+traitComposition:something
+    traitComposition := something.
+! !
+
+!TraitDefinitionChange class methodsFor:'documentation'!
+
+version
+    ^ '$Header: /cvs/stx/stx/libbasic3/TraitDefinitionChange.st,v 1.1 2013-01-18 12:55:48 cg Exp $'
+!
+
+version_CVS
+    ^ '$Header: /cvs/stx/stx/libbasic3/TraitDefinitionChange.st,v 1.1 2013-01-18 12:55:48 cg Exp $'
+! !
+