PEP 583: Fix Sphinx warnings

Author: Secrus

peps/pep-0583.rst

@@ -312,7 +312,7 @@ implementers.
 A happens-before race that's not a sequentially-consistent race
 ---------------------------------------------------------------
 
-From the POPL paper about the Java memory model [#JMM-popl].
+From the POPL paper about the Java memory model [#JMM-popl]_.
 
     Initially, ``x == y == 0``.
 
@@ -552,7 +552,7 @@ that, and Python may not need those security guarantees anyway.
 Restrict reorderings instead of defining happens-before
 --------------------------------------------------------
 
-The .NET [#CLR-msdn] and x86 [#x86-model] memory models are based on
+The .NET [#CLR-msdn]_ and x86 [#x86-model]_ memory models are based on
 defining which reorderings compilers may allow.  I think that it's
 easier to program to a happens-before model than to reason about all
 of the possible reorderings of a program, and it's easier to insert
@@ -784,10 +784,6 @@ References
    lots of examples of compiler/processor optimizations and the
    strange program behaviors they can produce.
 
-.. [#Cpp0x-memory-model] N2480: A Less Formal Explanation of the
-   Proposed C++ Concurrency Memory Model, Hans Boehm
-   (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2480.html)
-
 .. [#CLR-msdn] Memory Models: Understand the Impact of Low-Lock
    Techniques in Multithreaded Apps, Vance Morrison
    (http://msdn2.microsoft.com/en-us/magazine/cc163715.aspx)
@@ -804,15 +800,6 @@ References
 
 .. [#slots] __slots__ (http://docs.python.org/ref/slots.html)
 
-.. [#] Alternatives to SC, a thread on the cpp-threads mailing list,
-   which includes lots of good examples.
-   (http://www.decadentplace.org.uk/pipermail/cpp-threads/2007-January/001287.html)
-
-.. [#safethread] python-safethread, a patch by Adam Olsen for CPython
-   that removes the GIL and statically guarantees that all objects
-   shared between threads are consistently
-   locked. (http://code.google.com/p/python-safethread/)
-
 
 Acknowledgements
 ================