Face and window pattern enumerations
Enumeration of fill patterns.
| 0 | Checkerboard (#) |
| 1 | Vertical Lines (||) |
| 2 | Horizontal Lines (=) |
| 3 | Slant Right (//) |
| 4 | Slant Left (\\) |
| 5 | Diamonds (<>) |
| 6 | Dots (::) |
| 7 | Small Squares ([]) |
| 8 | Solid (no pattern) |
| 9 | Clear (subwindows only) |
