Finished update to universal header 3.4.2.
diff --git a/Lib/plat-mac/Carbon/Dialogs.py b/Lib/plat-mac/Carbon/Dialogs.py
index dbb69dc..9d2fa8f 100644
--- a/Lib/plat-mac/Carbon/Dialogs.py
+++ b/Lib/plat-mac/Carbon/Dialogs.py
@@ -73,4 +73,7 @@
kDialogFontUseThemeFontIDMask = 0x0080
kHICommandOther = FOUR_CHAR_CODE('othr')
kStdCFStringAlertVersionOne = 1
-kStdAlertDoNotDisposeSheet = 1 << 0
+kStdAlertDoNotDisposeSheet = 1 << 0
+kStdAlertDoNotAnimateOnDefault = 1 << 1
+kStdAlertDoNotAnimateOnCancel = 1 << 2
+kStdAlertDoNotAnimateOnOther = 1 << 3