Subject: M-r in comint mode should use isearch

From: Dan Nicolaescu <[email-masked]>
Date: Fri, 3 Jul 2009 06:26:41 -0700 (PDT)

When using the minibuffer for example doing:

M-x
then
C-r
will use isearch to search the history.  This is nice because it shows
the items that are matched.

M-r should to the same thing when used in comint, right now it's hard to
tell if it matches anything before typing RET