##

## The font.variant property has two values: normal or small-caps. For

## TrueType fonts, which are scalable fonts, small-caps is equivalent

## size.

##

## The font.weight property has effectively 13 values: normal, bold,

## These control the default format strings used in AutoDateFormatter.

## Any valid format datetime format string can be used (see the python

## `datetime` for details). For example, by using:

## These values map to the scales:

## {'year': 365, 'month': 30, 'day': 1, 'hour': 1/24, 'minute': 1 / (24 * 60)}