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2.2.2.3 Control Tokens

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Control Tokens do not perform operations or push values onto the stack. Conditional Control Tokens (PtgAttrIf (section 2.5.198.36), PtgAttrChoose (section 2.5.198.34), and PtgAttrGoto (section 2.5.198.35)) are used at runtime to prescribe short-circuit evaluation inside conditional functions and can be ignored when converting parsed expressions into textual formulas.