Function changeEditingSubPanel

js/main.js:234–237

(subPanelNumber)

	// Set the current editing (SUB)panel based off paramter number, within the correct range (0 < # of panels - 1)
	const changeEditingSubPanel = function(subPanelNumber) {
		currentlySelectedSubPanelIndex = clamp(subPanelNumber, -1, post.panels[currentlySelectedPanelIndex].sign.subPanels.length - 1)
		updateForm();
	};

	// Create a new exit tab, update the form, and redraw.
	const newExitTab = function() {