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Appendix:Variations of "?" ⁇ Translingual Punctuation mark A double question mark, used at the end of sentences as an emphasized version of %3F, to make questions with more weight and importance, as if demanding an answer. mul How are you going to pay for this?? mul linguistics Very questionable for a grammatical or semantic-pragmatic reason. en mul 2006 Renaat Declerck; Susan Reed; Bert Cappelle The Grammar of the English Verb Phrase 1 The Grammar of the English Tense System 9783110185898 6 A superscript question mark will be used similarly to indicate that a sentence or constituent is questionable for a grammatical or semantic-pragmatic reason. A double superscript question mark indicates an even higher degree of questionability.I have never { worked / ?been working } on a dissertationThis time tomorrow I { will / ??am going to } be driving to London. Symbol mul symbol mul blunder mul chess Indicator of a blunder. mul programming Represents null coalescing operator or an operator with similar functions in some programming languages. Returns the second operand if the first returns null or is unset, with variations depending on the programming language. mul programming In some programming languages (e.g., Raku), represents an else branch of a ternary operator. Compare: ?: See also mul !? mul ?! mul ! mul ? mul !!