^b^a cruft

[quanstro@epsilon.eecs.nwu.edu (Erik Quanstrom)]

>so now the bugs section comment should be
>
>        Woe betide the environment string containing the character control-a
>        or the sequence control-b followed by control-a or control-b.
>
>i propose making this change in es, independent of what happens to rc.

Now we have two illegal sequences in the environment instead of one.

The old way looks better right along.