Doc broken will-navigate listener

electron_app/src/webcontents-handler.js

@@ -129,6 +129,18 @@ function onEditableContextMenu(ev, params) {
 
 module.exports = (webContents) => {
     webContents.on('new-window', onWindowOrNavigate);
+    // XXX: The below now does absolutely nothing because of
+    // https://github.com/electron/electron/issues/8841
+    // Whilst this isn't a security issue since without
+    // node integration and with the sandbox, it should be
+    // no worse than opening the site in Chrome, it obviously
+    // means the user has to restart Riot to make it usable
+    // again (often unintuitive because it minimises to the
+    // system tray). We therefore need to be vigilant about
+    // putting target="_blank" on links in Riot (although
+    // we should generally be doing this anyway since links
+    // navigating you away from Riot in the browser is
+    // also annoying).
     webContents.on('will-navigate', onWindowOrNavigate);
 
     webContents.on('context-menu', function(ev, params) {