Fix typos in task.hbs & wrapper.html

tasks/jwinf/wrapper.html

@@ -112,19 +112,19 @@ function getTaskProxyCallback(task) {
         if (ecb) {ecb();}
       }
     },
-    showViews(views, cb, ecb) {
+    showViews: function(views, cb, ecb) {
       cb(options);
     },
-    openUrl(textId, cb, ecb) {
+    openUrl: function(textId, cb, ecb) {
       cb();
     },
-    askHint(ht, cb, ecb) {
+    askHint: function(ht, cb, ecb) {
       cb();
     },
     updateDisplay: function(opt, cb, ecb) {
       cb();
     },
-    initWithTask(t, cb, ecb) {
+    initWithTask: function(t, cb, ecb) {
       cb(options);
     },
   };

templates/default/task.hbs

@@ -137,7 +137,7 @@ Verbleibende Zeit
 <a href="{{ nexttask }}">🡆 Nächste Aufgabe</a>
 </div>
 {{/if}}
-{{#if prevtask}}}
+{{#if prevtask}}
 <div class="nav">
 <a href="{{ prevtask }}">🡄 Vorherige Aufgabe</a>
 </div>