--- a/libidav/webdav.h	Sun Apr 10 11:39:09 2016 +0200
+++ b/libidav/webdav.h	Wed Apr 20 14:08:00 2016 +0200
@@ -78,7 +78,11 @@
     DAV_TIMEOUT,
     DAV_SSL_ERROR,
     DAV_QL_ERROR,
-    DAV_CONTENT_VERIFICATION_ERROR
+    DAV_CONTENT_VERIFICATION_ERROR,
+    DAV_REQUEST_ENTITY_TOO_LARGE,
+    DAV_REQUEST_URL_TOO_LONG,
+    DAV_PROXY_AUTH_REQUIRED,
+    DAV_NET_AUTH_REQUIRED
 };
 
 typedef enum DavError DavError;