--- a/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-coretext.h	Tue Dec 05 11:04:42 2017 -0800
+++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-coretext.h	Thu Dec 07 11:55:06 2017 -0800
@@ -42,6 +42,7 @@
 
 #define HB_CORETEXT_TAG_MORT HB_TAG('m','o','r','t')
 #define HB_CORETEXT_TAG_MORX HB_TAG('m','o','r','x')
+#define HB_CORETEXT_TAG_KERX HB_TAG('k','e','r','x')
 
 
 HB_EXTERN hb_face_t *