There are two competing proposals before the committee currently. Microsoft is implementing one of them, clang is driving the other.<p>By pursuing implementations of different proposals the committee hopes to converge on a best compromise design incorporating lessons learned from trying them out in practice.<p>Slightly more info in this write up of the Oct 2015 meeting <a href="https:&#x2F;&#x2F;botondballo.wordpress.com&#x2F;2015&#x2F;11&#x2F;09&#x2F;trip-report-c-standards-meeting-in-kona-october-2015&#x2F;" rel="nofollow">https:&#x2F;&#x2F;botondballo.wordpress.com&#x2F;2015&#x2F;11&#x2F;09&#x2F;trip-report-c-s...</a>