Function deletePanel

js/main.js:174–185

()

		If no panel is found, create a new one.
	*/
	const deletePanel = function() {
		post.deletePanel(currentlySelectedPanelIndex);
		if (currentlySelectedPanelIndex > 0) {
			currentlySelectedPanelIndex--;
		}
		if (post.panels.length == 0) {
			newPanel();
		} else {
			updateForm();
			redraw();
		}
	};

	// Shift a panel to the left, and redraw.
	const shiftLeft = function() {