Mention warnings about defining None.

3e332bd8 · Guido van Rossum · 9d1264d5 · 3e332bd8
Commit 3e332bd8 authored Aug 16, 2002 by Guido van Rossum
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Misc/NEWS Misc/NEWS +3 -0

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+++ b/Misc/NEWS
@@ -57,6 +57,9 @@ Type/class unification and new-style classes

 Core and builtins

+- Use of 'None' as a variable, argument or attribute name now
+  issues a SyntaxWarning.  In the future, None may become a keyword.
+
 - SET_LINENO is gone.  co_lnotab is now consulted to determine when to
  call the trace function.  C code that accessed f_lineno should call
  PyCode_Addr2Line instead (f_lineno is still there, but not kept up