1) PRE-APPLIED will update text from Profile specific implementation guidance: ... An Observation without a value,  SHALL  include a reason why the data is absent unless there are component observations, or references to other Observations that are grouped within it. ... to  Profile specific implementation guidance: ... An Observation without a value,  SHALL  include a reason why the data is absent  unless  there are 1) component observations, or 2) reporting vital signs panel components using  `Observation.hasMember`.   2) will work with publishing on displaying appropriate invariant content in each of the profile views (currently displaying too much or too little) ... Zulip chat pending 3) to improve display of differential, update the profile structuredefinition  differential element  to to remove any inherited invariants from the root ( since they are unneeded ) and reference existing inherited invariants at the element level if not already inherited.  e.g  vs-2 on value element