//R
//R/meta.R
//R/utils.R
//R/simmap.R
//R/tbl_df.R
//R/classes.R
//R/get_rdf.R
//R/S4-utils.R
//R/add_meta.R
//R/get_taxa.R
//R/add_trees.R
//R/get_level.R
//R/get_trees.R
//R/nexmlTree.R
//R/nexml_add.R
//R/nexml_get.R
//R/deprecated.R
//R/nexml_read.R
//R/nexml_write.R
//R/constructors.R
//R/get_metadata.R
//R/taxize_nexml.R
//R/get_taxa_meta.R
//R/nexml_methods.R
//R/nexml_publish.R
//R/prefixed-uris.R
//R/add_basic_meta.R
//R/add_characters.R
//R/add_namespaces.R
//R/get_characters.R
//R/get_namespaces.R
//R/nexml_validate.R
//R/internal_isEmpty.R
//R/character_classes.R
//R/concatenate_nexml.R
//R/internal_nexml_id.R
//R/get_basic_metadata.R
//R/internal_name_by_id.R
//R/internal_get_node_maps.R