--- a/include/Scintilla.h
+++ b/include/Scintilla.h
@@ -698,6 +698,11 @@
 #define SC_CASEINSENSITIVEBEHAVIOUR_IGNORECASE 1
 #define SCI_AUTOCSETCASEINSENSITIVEBEHAVIOUR 2634
 #define SCI_AUTOCGETCASEINSENSITIVEBEHAVIOUR 2635
+#define SC_ORDER_PRESORTED 0
+#define SC_ORDER_PERFORMSORT 1
+#define SC_ORDER_CUSTOM 2
+#define SCI_AUTOCSETORDER 2660
+#define SCI_AUTOCGETORDER 2661
 #define SCI_ALLOCATE 2446
 #define SCI_TARGETASUTF8 2447
 #define SCI_SETLENGTHFORENCODE 2448