Added July 1016 resolution to change the floor to a required amount, using agreed wording

Author: rachelandrew

css-multicol/Overview.bs

@@ -693,6 +693,8 @@ Two assumptions are being made by the pseudo-algorithm:
 	(11)  W := max(0, ((U + column-gap)/N - column-gap))
 	</pre>
 
+	For the purpose of finding the number of auto-repeated tracks, the UA must floor the track size to a UA-specified value to avoid division by zero. It is suggested that this floor be 1px or less.
+	
 	In paged media, user agents may perform this calculation on a
 	per-page basis.
 
@@ -1734,6 +1736,7 @@ This appendix describes changes from the
    >Candidate Recommendation (CR) of 12 April 2011</a>.
 
 <ul>
+	<li>Added July 1016 resolution to change the floor to a required amount, consistent with the CSS Grid spec.
     <li>Remove the restriction about overflow columns only being in continuous media in the statement that column-fill has no effect on overflow columns. <a href="https://lists.w3.org/Archives/Public/www-style/2013Sep/0471.html">Resolved: September 2013</a>.
 	<li>Added keyword balance-all and examples to demonstrate how this should work. <a href="https://lists.w3.org/Archives/Public/www-style/2013Sep/0471.html">Resolved: September 2013</a>.
 	<li> The pseudo-algorithm has been revised on a number of occasions. <a href="https://lists.w3.org/Archives/Public/www-style/2013Feb/0471.html">Latest change Feb 2013</a>.