if [ -n "$PS1" ]; then
        if PATH=$PATH:/usr/bin tty -s; then
# Allow control-s to invoke readline search, instead of freezing the
# terminal
            PATH=$PATH:/bin stty -ixon
        fi
# These let me have have all the keys work the way I like for Emacs.
        case "$OSTYPE" in
            cygwin*)
                if [ "$TERM" != "emacs" ]; then
                    PATH=$PATH:/bin stty erase ^?
                fi
                ;;
        esac
    fi