Update the window object interface a bit.
tree4c06df93629944b738f2fe3679285b0b09cd7bde
-rw-r--r-- 35147 COPYING
drwxr-xr-x - incoming
-rwxr-xr-x 1150 mktar.pl
drwxr-xr-x - patches
drwxr-xr-x - src