--- a/libidav/davqlparser.h	Wed May 13 12:00:54 2015 +0200
+++ b/libidav/davqlparser.h	Wed May 13 20:18:36 2015 +0200
@@ -298,6 +298,9 @@
 /** An operator has been found for a unary expression, but it is invalid. */
 #define DAVQL_ERROR_INVALID_UNARY_OP 21
 
+/** Invalid format specifier. */
+#define DAVQL_ERROR_INVALID_FMTSPEC 22
+
 /** The depth is invalid. */
 #define DAVQL_ERROR_INVALID_DEPTH 101