fix a couple nits with my use of ReST

Misc/NEWS

@@ -170,7 +170,7 @@ Core and builtins
   precedes B in the list at the start, A precedes B after the sort too),
   although the language definition does not guarantee stability.  A
   potential drawback is that list.sort() may require temp space of
-  len(list)*2 bytes (\*4 on a 64-bit machine).  It's therefore possible
+  len(list)*2 bytes (``*4`` on a 64-bit machine).  It's therefore possible
   for list.sort() to raise MemoryError now, even if a comparison function
   does not.  See <http://www.python.org/sf/587076> for full details.
 
@@ -610,8 +610,8 @@ C API
   coercion if both arguments have the same type but this type has the
   CHECKTYPES flag set.  This is to better support proxies.
 
-- The type of tp_free has been changed from "void (*)(PyObject \*)" to
-  "void (*)(void \*)".
+- The type of tp_free has been changed from "``void (*)(PyObject *)``" to
+  "``void (*)(void *)``".
 
 - PyObject_Del, PyObject_GC_Del are now functions instead of macros.
 
@@ -1341,7 +1341,7 @@ Windows
 - The signal module now supports SIGBREAK on Windows, thanks to Steven
   Scott.  Note that SIGBREAK is unique to Windows.  The default SIGBREAK
   action remains to call Win32 ExitProcess().  This can be changed via
-  signal.signal().  For example: ::
+  signal.signal().  For example::
 
       # Make Ctrl+Break raise KeyboardInterrupt, like Python's default Ctrl+C
       # (SIGINT) behavior.
@@ -1707,7 +1707,7 @@ C API
 
 - Note that PyLong_AsDouble can fail!  This has always been true, but no
   callers checked for it.  It's more likely to fail now, because overflow
-  errors are properly detected now.  The proper way to check: ::
+  errors are properly detected now.  The proper way to check::
 
       double x = PyLong_AsDouble(some_long_object);
       if (x == -1.0 && PyErr_Occurred()) {
@@ -2041,7 +2041,7 @@ Core
   Iterating over a file generates its lines.
 
 - The following functions were generalized to work nicely with iterator
-  arguments: ::
+  arguments::
 
     map(), filter(), reduce(), zip()
     list(), tuple() (PySequence_Tuple() and PySequence_Fast() in C API)