Fixed flippable doctest.

dist/iwmlib.js

@@ -2638,6 +2638,7 @@
          * @param {object} [opts] - An options object. See the hammer documentation for more details.
          */
         static on(types, elements, cb, opts = {}) {
+            
             opts = Object.assign({}, {
 
             }, opts);
@@ -3754,6 +3755,11 @@
             this.onCapture = null;
             this.element = element;
             if (stopEvents === 'auto') {
+                /*
+                The events have to be stopped in Safari, otherwise the whole page will be zoomed with
+                a pinch gesture (preventDefault in method preventPinch). In order to enable the
+                movement of scatter objects, the touchmove event has to be bound again.
+                */
                 if (Capabilities.isSafari) {
                     document.addEventListener(
                         'touchmove',
@@ -4744,7 +4750,6 @@
             /* Buttons are not guaranteed to exist. */
             if (this.infoBtn) {
                 InteractionMapper$1.on('tap', this.infoBtn, event => this.flip.start());
-
                 this.enable(this.infoBtn);
             }
             if (this.backBtn) {

dist/iwmlib.pixi.js

@@ -5805,6 +5805,7 @@
          * @param {object} [opts] - An options object. See the hammer documentation for more details.
          */
         static on(types, elements, cb, opts = {}) {
+            
             opts = Object.assign({}, {
 
             }, opts);
@@ -7615,7 +7616,6 @@
             /* Buttons are not guaranteed to exist. */
             if (this.infoBtn) {
                 InteractionMapper$1.on('tap', this.infoBtn, event => this.flip.start());
-
                 this.enable(this.infoBtn);
             }
             if (this.backBtn) {