Update the window object interface a bit.
tree82c0b181e87a1f6aca2431669435461f39dfd696
-rw-r--r-- 35147 COPYING
drwxr-xr-x - incoming
-rwxr-xr-x 1150 mktar.pl
drwxr-xr-x - patches
drwxr-xr-x - src