[2.7] bpo-33699: Describe try's else clause with the rest of the try clause (GH-7252) (GH-10469)

https://bugs.python.org/issue33699 (cherry picked from commit b086c8a) https://bugs.python.org/issue33699

Author: andresdelfino

Doc/reference/compound_stmts.rst

@@ -281,9 +281,11 @@ function that handled an exception.
  statement: break
  statement: continue
 
-The optional :keyword:`else` clause is executed if and when control flows off
-the end of the :keyword:`try` clause. [#]_ Exceptions in the :keyword:`else`
-clause are not handled by the preceding :keyword:`except` clauses.
+The optional :keyword:`else` clause is executed if the control flow leaves the
+:keyword:`try` suite, no exception was raised, and no :keyword:`return`,
+:keyword:`continue`, or :keyword:`break` statement was executed. Exceptions in
+the :keyword:`else` clause are not handled by the preceding :keyword:`except`
+clauses.
 
 .. index:: keyword: finally
 
@@ -596,10 +598,6 @@ which is then bound to the class name.
  there is a :keyword:`finally` clause which happens to raise another
  exception. That new exception causes the old one to be lost.
 
-.. [#] Currently, control "flows off the end" except in the case of an exception or the
- execution of a :keyword:`return`, :keyword:`continue`, or :keyword:`break`
- statement.
-
 .. [#] A string literal appearing as the first statement in the function body is
  transformed into the function's ``__doc__`` attribute and therefore the
  function's :term:`docstring`.