Fix another oldie (item (b) only):

Fix another oldie (item (b) only):

Date:    Fri, 20 Dec 1996 14:47:50 +0100
From:    Lele Gaifax <lele@nautilus.eclipse.it>
To:      Python List <python-list@cwi.nl>
Subject: Typos in ref manual

Hi all,
browsing the reference manual I noticed what seem two small errors:
  a) in the list of keywords (section 2.3.1) 'exec' is missing
  b) in the Operator Precedence table (5.12) the comparison operators
     include '=', but probably '==' was intended.
Hope this help,
lele.