Here is an applied patch that suppresses psql \s help display for
platforms like Win32 that don't typically install with readline.
It also prints and error if you try to access it.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073