mbracing quotes needed like in Ansible so no ambiguity on data types).
>
> The secondary criteria is syntax symmetry. After all I agree with
> Patrick's point about better readability when we have opening and closing
> sequences alike.
>
> Some additional details can be found in [0]
My main concern with the {} delimiters in YAQL is that the curly brace
already has a defined use within YAML. We most definitely will eventually
run in to parsing errors with whatever delimiter we choose but I don't feel
that it should conflict with the markup language it is directly embedded
in.