reading filenames in the echo area

[Gail Zacharias <GZ@MIT-OZ>]

I have FSECHOLIN$ set to 2.  On Twenex, or at least on OZ, whenever I have
to enter a filename in the echo area (e.g. ^X^W), the top line of the
screen is cleared, apparently during echo of the terminating CR.  This is
very annoying - I have to position the cursor to the top line and do M-0
C-L then find my way back to where I was, a non-trivial operation.

If this can't be fixed, could Teco or Emacs please arrange to force
refreshing of the top line in this situation?  (i.e. after reading a filename
when fsecholin$ is less than 3).