Method updateDisplay

ij/src/main/java/ij/macro/Functions.java:1201–1207

()

	}

	void updateDisplay() {
		if (updateNeeded && WindowManager.getImageCount()>0) {
			ImagePlus imp = getImage();
			imp.updateAndDraw();
			updateNeeded = false;
		}
	}

	void drawString() {
		interp.getLeftParen();