Typo fixes.
authorTom Lane <tgl@sss.pgh.pa.us>
Wed, 26 Oct 2011 22:04:13 +0000 (18:04 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Wed, 26 Oct 2011 22:04:13 +0000 (18:04 -0400)
commitbf82013631e32436c9abb23fee8be0a4ce46b3dd
tree114b22ef50a5a43cd000b1d07af6c20b4ba766c3
parent3e4b3465b6345b75659e8f897976d4c810408762
Typo fixes.

expect -> except, noted by Andrew Dunstan.  Also, "cannot" seems more
readable here than "can not", per David Wheeler.
doc/src/sgml/func.sgml