* keynumber [ scancode [ unshifted [ shifted [ alted [ shiftalted ] ] ] ] ]
* keynumber is in decimal, and starts in column 1.
* scancode is hexadecimal.
* unshifted, etc. - these are either a single ascii character,
* or the name of a function or an AID-generating key.
* all fields are separated by a single space.
44 12 MAKE_SHIFT MAKE_SHIFT MAKE_SHIFT
57 59 MAKE_SHIFT MAKE_SHIFT MAKE_SHIFT
60 19 MAKE_ALT MAKE_ALT MAKE_ALT
62 39 MAKE_ALT MAKE_ALT MAKE_ALT
134 92 BREAK_SHIFT BREAK_SHIFT BREAK_SHIFT
135 D9 BREAK_SHIFT BREAK_SHIFT BREAK_SHIFT
136 99 BREAK_ALT BREAK_ALT BREAK_ALT
137 B9 BREAK_ALT BREAK_ALT BREAK_ALT