oldclass: Register S4 classes



Classes are exported so they can be re-used within S4 classes, see methods::setOldClass().

xml_document: a complete document.

xml_missing: a missing object, e.g. for an empty result set.

xml_node: a single node in a document.

xml_nodeset: a set of nodes within a document.

xml2 documentation built on Aug. 9, 2019, 5:06 p.m.