+/* Documented external i/f for local_scan */
+void
+header_add_at_position(BOOL after, uschar *name, BOOL topnot, int type,
+ const char *format, ...)
+{
+va_list ap;
+va_start(ap, format);
+(void) header_add_backend(after, name, topnot, type, format, ap);
+va_end(ap);
+}