@code
Par exemple: le numéro pour un département, le code insee pour une commune
tei:@n<1> htm:@name<2>id
address, addrline, affiliation, answer, article, attendee, available, bibliography, book, calendar, century, chapter, citation, code, collection, colophon, colors, compression, concept, condition, contact, contents, contributor, copyright, country, coverage, creator, culture, date, day, definition, depth, description, dimensions, edition, emphasis, enumeration, event, example, excerpt, extent, family, faq, figure, formalpara, format, genre, geoname, given, glossary, honorific, identifier, index, info, item, licence, lineage, link, literallayout, locality, location, material, medium, month, name, note, number, organization, orgdiv, orgname, orgtitle, pagination, para, part, period, persname, person, place, placename, primary, procedure, proper, property, pseudonym, publisher, question, record, referee, relation, resource, rights, scale, secondary, section, see, seealso, sequence, set, source, span, step, streetname, streetnumber, streettype, subject, subtitle, summary, support, table, tbody, technique, term, tertiary, tfoot, thead, title, topicname, tr, unqualified, value, volume, xml ; <1> http://www.tei-c.org/P4X/ref- GLOBAL.html
<2> http://www.w3.org/TR/html4/struct/links.html#adef-name-A