[no subject]

[Mark J. Dulcey <Dulcey at MIT-OZ>]

In ZWEI in Experimental MIT-Specific 18.0, Experimental System 93.5,
Experimental ZMail 49.1, microcode 226, gc@2, on Lisp Machine One:

A startling effect in ZMacs:

While in two-window mode, if one window is already looking at a buffer,
and you select the same buffer in the other window, both windows are
redisplayed, not just the one you just acted on.  Selecting any other
buffer does not cause redisplay of the other window.