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![]() 4.11 Expressions Expressions are FunnelWeb's most powerful form of expressing a text string. Macro bodies are defined as expressions. Actual parameters consist of expressions. An expression consists of a sequence of zero or more expression elements. An expression element can be ordinary text, a macro call, or a formal parameter of the macro definition in which the formal parameter occurs.
expression = { ordinary_text | macro_call | formal_parameter }
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