gamnit :: TextSprites :: valign
	# Vertical text alignment
	#
	# Use 0.0 for top alignment (the default) where the text is under the `anchor`,
	# 0.5 to vertically center the text on the `anchor` or
	# or 1.0 to bottom align the text above the `anchor`.
	#
	# See: `align`
	var valign = 0.0 is optional, writable
					lib/gamnit/font.nit:99,2--106,39