src/main/java/org/apache/commons/jxpath/ri/JXPathContextReferenceImpl.java (2 lines):
	- line 498: // TODO: (work in progress) - trying to integrate with Xalan
	- line 524: //                // TODO Auto-generated catch block


src/main/java/org/apache/commons/jxpath/ri/model/container/ContainerPointer.java (1 line):
	- line 177: // TODO: what if this is a collection?