protected void newLabel(String label) {
		if (label == null) {
			label = "No label given for this dialog.\nThis was likely due to an " +
				"exception with no message from the line of code below:\n\n" + getCallerString();
			Msg.debug(label, label, new Throwable());
		}

		lines = label.split("\n");
		num_lines = lines.length;
		line_widths = new int[num_lines];
	}
breaks specified label into array of lines.

@param label String to display in canvas.
Ghidra/Framework/Docking/src/main/java/docking/widgets/MultiLineLabel.java