1 files changed, 1 insertions, 0 deletions
diff --git a/def.go b/def.go
index 50a3f70..2c4d33d 100644
--- a/def.go
+++ b/def.go
@@ -235,6 +235,7 @@ type Fpdf struct {
 	err              error                     // Set if error occurs during life cycle of instance
 	protect          protectType               // document protection structure
 	layer            layerRecType              // manages optional layers in document
+	catalogSort      bool                      // sort resource catalogs in document
 	colorFlag        bool                      // indicates whether fill and text colors are different
 	color            struct {                  // Composite values of colors
 		draw, fill, text clrType