[tz] America/Santa_Isabel

[Paul Eggert]

Steve Jones wrote:
> So it sounds like the actual implementation may not extend all the way down to
> the Baja/Baja Sur border.

Yes, that sounds definitive.  I suppose we could rename America/Santa_Isabel to 
America/Cedros_Island, since we know Cedros Island observes UTC-8 with Mexican 
rules.  But it'd be nicer if we could find the largest town in that time zone 
region.