Added ALL='all'.
diff --git a/Lib/lib-tk/Tkconstants.py b/Lib/lib-tk/Tkconstants.py
index dd4fb0e..3e2ff8a 100644
--- a/Lib/lib-tk/Tkconstants.py
+++ b/Lib/lib-tk/Tkconstants.py
@@ -56,6 +56,7 @@
INSERT='insert'
CURRENT='current'
ANCHOR='anchor'
+ALL='all' # e.g. Canvas.delete(ALL)
# Text widget and button states
NORMAL='normal'
diff --git a/Lib/tkinter/Tkconstants.py b/Lib/tkinter/Tkconstants.py
index dd4fb0e..3e2ff8a 100755
--- a/Lib/tkinter/Tkconstants.py
+++ b/Lib/tkinter/Tkconstants.py
@@ -56,6 +56,7 @@
INSERT='insert'
CURRENT='current'
ANCHOR='anchor'
+ALL='all' # e.g. Canvas.delete(ALL)
# Text widget and button states
NORMAL='normal'