error handling for txt editor

templates/textfileform.html

@@ -13,6 +13,9 @@
 <div style = "max-width:95%; margin-left:4%; font-family: monospace; font-weight: bold; font-size: 110%; text-align: left; " >
 File: {{path}} <br>
 Full path on server: {{filepath}}
+{% if message %}
+<p style="color:red">{{message}}</p>
+{% endif %}
     
     <form method ='post' >
         {% csrf_token %}              
@@ -30,6 +33,10 @@ Full path on server: {{filepath}}
 title="Saves the file in UTF-8 characterset" value = "Save" >
           Save the file
        </button>
+       <button  class="fancybutton2"  style="padding: 0.5em 25px; margin-left: 110px"  name="Cancel" type = "submit"  
+title="Aborts the editing" value = "Cancel" >
+          Cancel 
+       </button>
     </form>
     <br />