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When exactly are variable names enclosed in percent signs?

April 26, 2017enclosed names percent signs

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When exactly are variable names enclosed in percent signs?

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Variable names are always enclosed in percent signs except in cases illustrated in bold below: 1) In parameters that are input or output variables: StringLen, OutputVar, InputVar 2) On the left side of an assignment: Var = 123abc 3) On the left side of traditional (non-expression) if-statements: If Var1 < %Var2% 4) Everywhere in expressions.