From: Saašha Metsärantala
> The list [y-33ue3, y-2e5~, y-13ue3, 2e3~] could represent a year in a
> warm climate period.
y-2e5 - i.e. the year 20000 - is there anyone who wants to represent that year as anything other than an approximation? If so then I could see the usefulness of allowing an approximation qualifier, but if not then I'd say that the approximation qualifier is redundant.