Make the text underlined in a ANSI/VT100 terminal.

SEE: TermCharFormat

Property definitions

console :: console $ Text :: underline
	# Make the text underlined in a ANSI/VT100 terminal.
	#
	# SEE: `TermCharFormat`
	fun underline: String do return apply_format(normal.underline)
lib/console/console.nit:341,2--344,63