Using original click events for SVG elements. Must be checked for taps on touch devices.

lib/scatter.js

@@ -1148,6 +1148,12 @@ export class DOMScatter extends AbstractScatter {
              is also dispatched by the system.
             */
             element.addEventListener('click', event => {
+                /* Currently we cannot send synthesized click events to SVG elements without unwanted side effects.
+                Therefore we make an exception and let the original click event through.
+                */
+                if (event.target.ownerSVGElement) {
+                    return
+                }
                 if (event.isTrusted) {
                     Events.stop(event)
                 }
@@ -1323,11 +1329,14 @@ export class DOMScatter extends AbstractScatter {
             else {
                 let nearestNode = this.nearestClickable(event)
                 if (this.isClickable(nearestNode)) {
-
+                    /* https://stackoverflow.com/questions/49564905/is-it-possible-to-use-click-function-on-svg-tags-i-tried-element-click-on-a
+                        proposes the dispatchEvent solution. But this leads to problems in flippable.html hiding the back page.
+                        Therefore we use the original click event (see constructor).
+                        */
                     if (nearestNode.tagName == 'svg') {
                         let handler = this.tapNodes.get(nearestNode)
                         console.log("Clicking beneath SVG: to be done", handler)
-                        Events.stop(event)
+                        // nearestNode.dispatchEvent(new Event('click'))
                         return
                     }
                     console.log("nearestNode clicked")