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Comment: just changed the bolding of optional

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  • Empty or no-parameter based custom functions can take the optional opening and closing parentheses despite FileMaker's ability to accept calculation code without them. Doing so does increase readability and enforces proper syntax checking by FileMaker when a similarly named variable, global or field may conflict.
    Note: certain custom functions, such as Null are Reserved elements and do not need to follow this convention.

    Let ( var.something = FunctionName (); var.something )

    good

    Let ( var.something = FunctionName; var.something )

    bad

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