edited a couple of comments in accordance with posting on the mailing list * xmlschemas.c: edited a couple of comments in accordance with posting on the mailing list (no logic change) * xpointer.c: working on Bug 129967, added check for NULL nodeset to prevent crash. Further work required. * xpath.c: working on Bug 129967, added code to handle XPATH_LOCATIONSET in RANGETO code, also added code to handle it in xmlXPathEvaluatePredicateResult. Further work required.