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@@ -107,6 +107,10 @@ PLY requires the use of Python 3.6 or greater. However, you should
use the latest Python release if possible. It should work on just
about any platform.
+Note: PLY does not support execution under `python -OO`. It can be
+made to work in that mode, but you'll need to change the programming
+interface with a decorator. See the documentation for details.
+
Resources
=========