In compliance with RFC 2119, the existence of MUSTARD implies the existence of SHOULDARD and MAYARD
@phooky [unfolding a sheet of paper and looking into your eyes]
In these wedding vows, the key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" are to be interpreted as described in RFC 2119.
Source: https://mobile.twitter.com/rlazarus/status/1508550333412249604
