3. Content Rule
( and * | or * )
The <arg-conditions> argument specifies the conditions associated with the enclosing action. It is different from other argument types in that it contains conditions instead of tokens.
See <do-if>, <do-while>.
- and
- logical conjunction
- or
- logical disjunction
- do-if
- conditionally perform actions
- do-while
- repeat actions while a conditions are true
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