I finally got around to fixing the
entry-expansion-on-wrapped-lines problem.  A fix is in testing.

Also, I investigated the "auto -x" stuff a while ago, and it
looks like an internal Tix problem (feature?).  Bizarre.  I
was just about to mark this as WONTFIX, but I remembered how
bbox helped me solve the entry handling problem.  I'll be we
could manually add/remove the scrollbar at the right times
using bbox.