Remove redundant leading zeroes in PEP references.

Doc/library/contextlib.rst

@@ -135,7 +135,7 @@ Functions provided:
 
 .. seealso::
 
-   :pep:`0343` - The "with" statement
+   :pep:`343` - The "with" statement
       The specification, background, and examples for the Python :keyword:`with`
       statement.
 

Doc/library/weakref.rst

@@ -245,7 +245,7 @@ methods of :class:`WeakKeyDictionary` objects.
 
 .. seealso::
 
-   :pep:`0205` - Weak References
+   :pep:`205` - Weak References
       The proposal and rationale for this feature, including links to earlier
       implementations and information about similar features in other languages.
 

Doc/reference/compound_stmts.rst

@@ -418,7 +418,7 @@ is equivalent to ::
 
 .. seealso::
 
-   :pep:`0343` - The "with" statement
+   :pep:`343` - The "with" statement
       The specification, background, and examples for the Python :keyword:`with`
       statement.
 

Doc/reference/datamodel.rst

@@ -2397,7 +2397,7 @@ For more information on context managers, see :ref:`typecontextmanager`.
 
 .. seealso::
 
-   :pep:`0343` - The "with" statement
+   :pep:`343` - The "with" statement
       The specification, background, and examples for the Python :keyword:`with`
       statement.
 

Doc/reference/expressions.rst

@@ -508,7 +508,7 @@ generator functions::
 
 .. seealso::
 
-   :pep:`0342` - Coroutines via Enhanced Generators
+   :pep:`342` - Coroutines via Enhanced Generators
       The proposal to enhance the API and syntax of generators, making them usable as
       simple coroutines.
 

Doc/reference/simple_stmts.rst

@@ -538,10 +538,10 @@ section.
 
 .. seealso::
 
-   :pep:`0255` - Simple Generators
+   :pep:`255` - Simple Generators
       The proposal for adding generators and the :keyword:`yield` statement to Python.
 
-   :pep:`0342` - Coroutines via Enhanced Generators
+   :pep:`342` - Coroutines via Enhanced Generators
       The proposal that, among other generator enhancements, proposed allowing
       :keyword:`yield` to appear inside a :keyword:`try` ... :keyword:`finally` block.