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IF
IF is used to make decisions on whether to evaluate and show items. There are now several IF options:
* The familiar IF item which controls the active status of one or more of the following items.
IF=value1:x, comp:x, value2:x, true:x, false:x, eval:x
activates or deactivates one or more following items according to the result of IF evaluation
evaluated during normal operation every cycle
* The new BEGIN-IF block which basically does the same thing but makes a lot more sense for many people and is visually easier to understand.
BEGIN-IF=value1:x, comp:x, value2:x
...
END-IF
activates or deactivates the enclosed items according to the result of IF evaluation
evaluated during normal operation every cycle
IF evaluation is also available in the BEGIN-ONLOAD block, the BEGIN-GLOBAL block and the upcoming OPTIONS item. All use a common IF evaluation. For a single item, the IF evaluation is easiest. For multiple items, the BEGIN-IF block is better.
