Done.

TODO

@@ -141,7 +141,6 @@ For 1.3 (not in order):
 5 double C-a should walk back over wrapped lines like C-e
 6 rectangle copy: when selecting leftward, cursor should be inside block per
   emacs key to rotate corner at which cursor is
-7 environment should be set up for jobs
 8 stdin fd should be passed up to parent so load-buffer and others could use it
   for nonattaching clients
 9 something for -t "last window in session" so a session can be used as a stack