--- svx/source/form/fmundo.cxx.o	2012-08-29 14:44:13.130983200 +0800
+++ svx/source/form/fmundo.cxx	2012-08-29 14:43:46.427174600 +0800
@@ -201,6 +201,9 @@
 FmXUndoEnvironment::~FmXUndoEnvironment()
 {
 	DBG_DTOR(FmXUndoEnvironment,NULL);
+	if ( !m_bDisposed )   // i120746, call FormScriptingEnvironment::dispose to avoid memory leak
+		m_pScriptingEnv->dispose(); 
+
 	if (m_pPropertySetCache)
 		delete static_cast<PropertySetInfoCache*>(m_pPropertySetCache);
 }