Function group variables

Function group has those functions and groups:

• Function set - Set a variable. The first argument should be the variable name, the second one should be the value and the third
• Function : - Return the value of a named variable. See set for examples.
• Function define - Define a new macro definition. The first argument should be the macro definition name, the second one should be macro and the third
• Function @ - Return the value of a named variable. See define for examples.

Use additional help with a function name to see more details about the function.