Reversing if statement to default to 3

Author: glenrobson

_includes/manifest_links.html

@@ -1,7 +1,11 @@
 {% if include.viewers %}
 {% assign viewers = include.viewers | split: "," %}
 {% else %}
+    {% if include.version == "4" %}
+{% assign viewers = page.v4-viewers %}
+    {%else %}
 {% assign viewers = page.viewers %}
+    {% endif %}
 {% endif %}
 [JSON-LD]({{ include.manifest }}) {% for viewerTxt in viewers %}{% assign viewer = viewerTxt | strip %}| {% include viewer_link.html type=viewer manifest=include.manifest annotationurl=include.annotationurl %}{% endfor %}