def write(char, char_width, col, row, sgr)
			@lines[Integer(row)][Integer(col)] = [char, char_width, sgr.dup]
		end
def write(char, char_width, col, row, sgr)
			@lines[Integer(row)][Integer(col)] = [char, char_width, sgr.dup]
		end
register the _char_ at a specific location on Screen