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[no subject]

In system "26.3", with microcode 618, on LISP Machine Two:
There is a bug in default-mouse-handler (in lispm2;mouse) which causes a minor problem
when using both a color and a black and white screen.

The problem is that when clipping the mouse position to the size of the screen local
variables max-x and max-y are used to keep the size of the screen.  However, the screen
which the mouse is on can change during while the function is running.  The fix is
simply to keep fetching the screen-x2 and screen-y2 of mouse-screen.  I have patched and
saved the code.