mongodb/mongo — pull request #115 by tadmarshall (2011-10-12 19:43:25+00:00)
Title: SERVER-4012 (reissue) -- make ctrl-T work like bash and emacs

This is a reissue of my earlier fix. I'm trying to break them down into
bite-sized parts to make them easier to pull.

Small changes to logic to do what bash does when ctrl-T is hit at or
next to the end of a line.