On Tue, Nov 15, 2011 at 5:28 PM, Glenn Adams <gl...@skynav.com> wrote: > Perhaps. But widely implemented does not necessarily imply widely used. In > any case, support for or use of a feature of a WD or CR does not imply it > must be present in REC.
Use of a feature does, in fact, imply that, unless there are *very* good reasons why not. Specs and implementations advance together, and both constrain the other. ~TJ