make concatFlags a multivariate function

Transferring flags from multiple sources to a single field is not uncommon and currently not well supported.

changed milestone to %2.3.0

added category: algorithms feature labels

added needs discussion label

removed milestone %2.3.0

changed title from make transferFlags a multivariate function to make transferFlags`concatFlags a multivariate function

changed the description

changed title from make {-transferFlags-}concatFlags a multivariate function** to **make concatFlags a multivariate function

changed the description

changed milestone to %Someday

changed title from make `concatFlags a multivariate function to make concatFlags a multivariate function

closed

removed needs discussion label