Merge remote-tracking branch 'Leaflet/master' into release-v1.3.0

src/dom/DomEvent.js

@@ -40,8 +40,7 @@ export function on(obj, types, fn, context) {
 var eventsKey = '_leaflet_events';
 
 // @function off(el: HTMLElement, types: String, fn: Function, context?: Object): this
-// Removes a previously added listener function. If no function is specified,
-// it will remove all the listeners of that particular DOM event from the element.
+// Removes a previously added listener function.
 // Note that if you passed a custom context to on, you must pass the same
 // context to `off` in order to remove the listener.