input: 2; output: 2; expressions: [LEFT DOUBLE QUOTATION MARK] => "\LeftDoubleQuotationMark{}"; [RIGHT DOUBLE QUOTATION MARK] => "\RightDoubleQuotationMark{}"; `;' => "\Semicolon{}"; `:' => "\Colon{}"; `?' => "\QuestionMark{}"; `!' => "\ExclamationMark{}"; [LEFT-POINTING DOUBLE ANGLE QUOTATION MARK]` ' => "\LeftPointingDoubleAngleQuotationMark{}"; [LEFT-POINTING DOUBLE ANGLE QUOTATION MARK] => "\LeftPointingDoubleAngleQuotationMark{}"; [RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK] => "\RightPointingDoubleAngleQuotationMark{}"; ` '[RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK] => "\RightPointingDoubleAngleQuotationMark{}";