Demote warnings to notices where appropriate, following the goal that as few "red box" warnings
should clutter the docs as possible. Part 1: stuff that gets merged to Py3k.
diff --git a/Doc/reference/compound_stmts.rst b/Doc/reference/compound_stmts.rst
index 4d7addb..3c716b2 100644
--- a/Doc/reference/compound_stmts.rst
+++ b/Doc/reference/compound_stmts.rst
@@ -178,7 +178,7 @@
effect of Pascal's ``for i := a to b do``; e.g., ``range(3)`` returns the list
``[0, 1, 2]``.
-.. warning::
+.. note::
.. index::
single: loop; over mutable sequence