This section is for internal use only.
In the value of keycombination, the keywords Shift, Control and Alt may be abbreviated to a single letter. The value of keycombination must be a sequence of keywords, followed by the nmame of a key. The various components of this value must be separated by plus signs.
The code to be executed in this context can be defined as action logic, following a label that is to be defined using the macro %%FKey.