In "adr", the class "adr" is required, of any oft eh sub-classes are
used.
In hCard, "adr" is optional, as are its subclasses.
Should "adr" be required, if any of its sub-categories are present, in
hCard?
--
Andy Mabbett
Say "NO!" to compulsory ID Cards: <http://www.no2id.net/>
Free Our Data: <http://www.freeourdata.org.uk>