-size-device Device screen size in pixels.
-size-workspace Workspace size in pixels. This can be less than the
- above if window manager has decorations which
- effectively shrink the area remaining for application
- windows.
+size-device Device screen or paper size in pixels.
+size-workspace Workspace size in pixels. This can be less than or
+ equal to the above. For diplays, this is the area
+ available to applications less window manager
+ decorations. For printers, this is the size of
+ printable area.
+offset-workspace Offset of workspace area from the top left corner
+ of screen or paper, in pixels.