6 in notes
end indicator long scope; terminates scope of all active indicators.
begin within-context quote.
reset bridi-level to zero
attitudinal scope modifier: marks following attitudinal/UI-cluster as applying to the last lexical unit
marks word/construct as being optional, i.e. the bridi would still be both grammatical AND reflect the speakers opinion/intention would the marked construct be left out
discursive: marks the previous construction as a question, with valid responses being any construction which could replace it without changing the grammar of the overall utterance.
end UI-applicative metalinguistic UI-parenthetical (elidable terminator)