allow editing ent letter if blank on many ent caves

templates/editentrance.html

@@ -18,11 +18,11 @@ so the Easting/Northing fields will be blank.
 </ul>
 
     {% if entlettereditable %}
-      <table>{{ entletter }}</table>
+      <table>{{ entletterform }}</table>
     {% else %}
       <table><tr><th>Entrance Letter</th><td>{{ entletter }}</td></table>
     {% endif %}
-    <table>{{ form }}</table>
+    <table>{{ entform }}</table>
     <p><input type="submit" value="Submit" /></p>
 </form>