linebreaks will kill me

media_ext.xml

@@ -22,14 +22,9 @@ layout: null
         {% endfor -%}
       {% endcapture -%}
 
-      {% capture persons2 -%}
-        {% for person in video.persons %}{{person}}{% unless forloop.last %} und {% endunless %}
-        {% endfor -%}
-      {% endcapture -%}
+      {% capture persons2 -%}{% for person in video.persons %}{{person}}{% unless forloop.last %} und {% endunless %}{% endfor -%}{% endcapture -%}
 
-      {% capture persons3 -%}
-{{whitespace}} von {{persons2}}
-      {% endcapture -%}
+      {% capture persons3 -%}{{whitespace}} von {{persons2}}{% endcapture -%}
 
       {% if video.event and video.event != '' -%}
         {% for e in site.events -%}