Heuristic: does this string contain any formal-MQL signal?
Used to short-circuit desugar when the player or author has
deliberately reached for MQL syntax. The set of signal characters
is :, [, ,, ', { — chain operator, bracket open, set-union
comma, string-literal quote, and quantity-brace open. Any of these
indicates intent that the desugar pass should not second-guess.
Heuristic: does this string contain any formal-MQL signal?
Used to short-circuit desugar when the player or author has deliberately reached for MQL syntax. The set of signal characters is
:,[,,,',{— chain operator, bracket open, set-union comma, string-literal quote, and quantity-brace open. Any of these indicates intent that the desugar pass should not second-guess.