Some applications have dialogue windows that are too small to be useful.
This ratio is the screen size to what they will be resized.
For example, 0.6 is 60% of the physical screen size.
+.It Cm keyboard_mapping
+Clear all key bindings and load new key bindings from the specified file.
+This allows you to load pre-defined key bindings for your keyboard layout.
+At present, keyboard mapping files for the US and Spanish keyboards are
+provided in scrotwm_us.conf and scrotwm_es.conf respectively.
.It Cm layout
Select layout to use at start-of-day.
Defined in the format