Data from zone.tab

Is there any reason that the zone.tab information is not included in the 
pg_timezone_names system view? ISTM that there is really no reason not 
to, as that view is really populated using that file anyway. There is a 
1:1 mapping (assuming the aliases are mapped to the zone.tab entries 
they are aliases of) of entries in that view with enties in zone.tab.

Reading an earlier thread on this matter, I think Magnus is behind the 
code that generates the view. What are the chances of getting at least 
the country code included in the pg_timezone_names system view? It'd 
really help out with i18n / L10n work, and given that PG already ships 
with that data present, it seems silly to not take advantage of it given 
how easy it would be to do so.