I think a continent in this sense would be better regarded as a
<geogname>: <bloc> is really for groupings of nation states.
Syd Bauman wrote:
> So how does one encode "Asia"? Seems like it would be a <bloc>,
> perhaps <bloc type="continent">. Great. But now how about "Australia"
> or "Antarctica"? The description for <bloc> says "contains the name
> of a geo-political unit consisting of two or more nation states or
> countries.". Neither Australia nor Antarctica has two or more
> countries, but it would be nice to be able to encode them as
> <bloc> to be parallel with "Europe" and "South America". While one
> could resort to <name type="continent"> for all of them, using the
> more special-purpose <bloc> seems to be licensed by the Guidelines in
> the 2nd to last example of 18.104.22.168 (search for "LSEA1" in chapter
>  Admittedly by a physical geographer's definition of the word
> "continent", the continent Australia includes several other
> countries like Tasmania and New Guinea. But the common lay
> definition excludes them.