Remove three items.

Doc/TODO

@@ -5,9 +5,6 @@ PYTHON DOCUMENTATION TO-DO LIST			-*- indented-text -*-
 * Update the pickle documentation to describe all of the current
   behavior; only a subset is described.  __reduce__, etc.
 
-* Review libposixpath.tex for completeness, & system-specific
-  behaviors.  (Why did this one get mentioned, specifically?)
-
 * In the indexes, some subitem entries are separated from the item
   entries by column- or page-breaks.  Reported by Lorenzo M. Catucci
   <lorenzo@argon.roma2.infn.it>.  This one will be hard.
@@ -16,10 +13,4 @@ PYTHON DOCUMENTATION TO-DO LIST			-*- indented-text -*-
   twice (in \localmoduletable) so we can get rid of the ugly 'uniq'
   hack in tools/mkhowto.sh.
 
-* Finish new Emacs info generation; waiting for update from Michael
-  Ernst.
-
-* Update the "os" module docs with descriptions of all interfaces and
-  a compatibility matrix.
-
 * Figure out HTMLHelp generation for the Windows world.