Operations on global variables.
Create a global variable.
If used inside a macro the variable [name] is declared as global.
Import global variables.
If used inside a macro the variables listed are declared as global. The name may contain '*' as a wildcard matching any sequence of characters.
Delete global variables.
The global variables listed are deleted. The name may contain '*' as a wildcard matching any sequence of characters.
List global variables.
If a file name is specified the output is the list of GLOBAL/CREATE commands to define the selected global variables. The default file extension is .kumac.