temporarily add some data capturing to dom for debugging, and remove superfluous condition in if

templates/files.html

@@ -15,6 +15,11 @@
             p.icon_url = '{{p.icon_url}}'
             move_paths.push(p)
         {% endfor %}
+
+        document.OPT = '{{OPT}}'
+        document.entries = '{{entry_data}}'
+        document.how_many = '{{OPT.how_many}}'
+        document.entries_len = '{{entry_data|length}}'
     </script>
 
     <div class="container-fluid">
@@ -68,7 +73,7 @@
                     </button>
                     <span class="sm-txt my-auto">&nbsp;{{OPT.how_many}} files&nbsp;</span>
                     {% set nxt_disabled="" %}
-                    {% if not entry_data or entry_data and entry_data|length < OPT.how_many|int %}
+                    {% if not entry_data or entry_data|length < OPT.how_many|int %}
                         {% set nxt_disabled="disabled" %}
                     {% endif %}
                     <button aria-label="next" id="next" {{nxt_disabled}} name="next" class="next sm-txt btn btn-outline-secondary">