Already fixed by Glenn Morris.
** don't require path hints for *shell*
http://lists.gnu.org/archive/html/bug-gnu-emacs/2008-01/msg00046.html
-** Tweak sit-for to accept the form (sit-for 1 nil t)
-This obsolete form was not explicitly allowed, but some legacy
-programs use it.
-[already fixed in 22 branch on 2008-02-21 AFAIK]
-
** Two display bugs involving interactions between after-string and
display properties of adjacent overlays
http://lists.gnu.org/archive/html/bug-gnu-emacs/2007-10/msg00119.html