[tei-council] tricky situations for using @validUntil

[Sebastian Rahtz]

> On 13 Dec 2013, at 19:33, "Syd Bauman" <s.bauman at neu.edu> wrote:
> 
> Another possible solution.
> 
> 4. Rely on <constraintSpec> more
> -- ---- -- ---------------- ----
> This suggestion is to use <constraintSpec> to generate warnings for
> users. 

This seems retrograde to me. The stuff is no longer parseable by computers, but needs humans to read the messages and interpret them. If in doubt, I always want rigour, precision and no ambiguity.

Sebastian