Removed annoying xercesc_3_0 prefixes by using XERCES_CPP_NAMESPACE_USE macro
Removed annoying xercesc_3_0 prefixes by using XERCES_CPP_NAMESPACE_USE macro

massimo-zaniboni/xydiff,fdintino/xydiff,massimo-zaniboni/xydiff,fdintino/xydiff,massimo-zaniboni/xydiff