More layout tweaks, mostly reverting the previous change.

Author: Guido van Rossum

README.rst

@@ -6,7 +6,7 @@ This GitHub repo us used for drafting PEP 484: Type Hints, slated for
 inclusion in Python 3.5.
 
 Authors
-=======
+-------
 
 * Guido van Rossum
 
@@ -15,14 +15,14 @@ Authors
 * Łukasz Langa
 
 BDFL-Delegate
-=============
+-------------
 
 The BDFL-Delegate is Mark Shannon.  This means he gets to be the final
 reviewer of the PEP and ultimately gets to accept or reject it -- see
 PEP 1 (https://www.python.org/dev/peps/pep-0001/).
 
 Important dates
-===============
+---------------
 
 The target dates for inclusion of types.py in Python 3.5 are derived
 from the Python 3.5 release schedule as documented in PEP 478
@@ -38,7 +38,7 @@ that schedule slips:
 * September 13, 2015: Python 3.5.0 final release
 
 Important URLs
-==============
+--------------
 
 The python.org rendering of the PEP lives at
 https://www.python.org/dev/peps/pep-0484/, but the version in this
@@ -60,8 +60,11 @@ updated.
 Workflows
 ---------
 
+Here's some documentation on the workflow we're using for the various
+aspects of the PEP.
+
 Workflow for editing PEP 484
-============================
+----------------------------
 
 * The PEP 484 draft is edited in the GitHub ambv/typehinting repo.
 
@@ -102,7 +105,7 @@ Workflow for editing PEP 482 and PEP 483
   (Łukasz for PEP 482, Guido for PEP 483).
 
 Workflow for mypy changes
-=========================
+-------------------------
 
 * Use the GitHub issue tracker for the mypy repo (JukkaL/mypy).  Jukka
   accepts GitHub Pull Requests at his discretion.
@@ -114,13 +117,13 @@ Workflow for mypy changes
   (JukkaL/typing).
 
 Workflow for CPython changes
-============================
+----------------------------
 
 * TBD: Workflow for copying types.py and test_types.py into the
   CPython repo.
 
 Things consciously left out for now
-===================================
+-----------------------------------
 
 * Multiple dispatch (but ``@overload`` will be allowed in stubs).
 
@@ -154,22 +157,24 @@ http://mypy-lang.blogspot.com/2015/04/mypy-02-released.html.)
 TO DO Lists
 -----------
 
+(Not sure that the TODO lists need to be in here; they don't seem complete.)
+
 PEP 482 TO DO
-=============
+-------------
 
 * State of the art: should we list decorator-based approaches
   (PyContracts?) and docstring-based approaches?  **TODO:** Łukasz to
   update PEP 482.
 
 PEP 483 TO DO
-=============
+-------------
 
 * Explain generics better.
 
 * Drop definition of ``Intersection``?
 
 PEP 484 TO DO
-=============
+-------------
 
 * Explain generics better.
 
@@ -195,7 +200,7 @@ PEP 484 TO DO
   https://github.com/ambv/typehinting/issues
 
 README.rst TO DO
-================
+----------------
 
 * Drop list of changes to mypy.