Linefeed

[KMP at MIT-EE]

When maclisp types blank lines in wraparound mode on Twenex, text from
the previous screenful often is left sitting there. Isn't it doing the
^PA equivalent for Twenex? Doesn't this ask Twenex to clear the screen? 
This is not trivial to reproduce, I will watch for it and try to send you
an example. But I have seen it happen enough times to warrant mentioning
it. (MT -- this is the same effect as the bug I mentioned awhile back in
HAUNT where when it got to the bottom of the screen, it would wrap but
not blank out lines it wasn't going to type on) ...
-kmp
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