Move development plan (single 2/3 source) from RELEASE-NOTES to todo list.

git-svn-id: http://svn.code.sf.net/p/docutils/code/trunk@7883 929543f6-e4f2-0310-98a6-ba3bd3dd1d04

1 files changed, 11 insertions, 0 deletions

diff --git a/docutils/docs/dev/todo.txt b/docutils/docs/dev/todo.txt
index 467375d1c..bb904c7f1 100644
--- a/docutils/docs/dev/todo.txt
+++ b/docutils/docs/dev/todo.txt
@@ -71,6 +71,17 @@ Many of these are now handled by Sphinx_
 General
 =======
 
+* Move to single source for Python 2 and Python 3.
+  (Cf. `Porting Python 2 Code to Python 3`_ and
+  `clean single-source support for Python 2/3`_.)
+
+  - Gradually phase out support for Python 2.4 and 2.5 first.
+
+  .. _Porting Python 2 Code to Python 3:
+      https://docs.python.org/3/howto/pyporting.html
+  .. _clean single-source support for Python 2/3:
+      http://python-future.org
+
 * Encoding of command line arguments can only be guessed:
 
   * try UTF-8/strict first, then try the locale's encoding with