[css-grid-1] Floor max by min when calculating repetitions. #4043

Author: fantasai

css-grid-1/Overview.bs

@@ -1729,6 +1729,7 @@ Repeat-to-fill: ''auto-fill'' and ''auto-fit'' repetitions</h5>
 	the <a>content box</a> of its <a>grid container</a>
 	(treating each track as its <a>max track sizing function</a> if that is <a>definite</a>
 	or as its minimum track sizing function otherwise,
+	flooring the <a>max track sizing function</a> by the <a>min track sizing function</a> if both are <a>definite</a>,
 	and taking 'gap' into account);
 	if any number of repetitions would overflow,
 	then 1 repetition.
@@ -4768,6 +4769,16 @@ Minor Changes</h4>
 						from its border edges.
 				</ul>
 			</blockquote>
+		<li id="change-2017-repeat-min-max">
+			Floor the max track sizing function by the min track sizing function
+			when calculating the number of ''auto-fit'' or ''auto-fill'' repetitions.
+			(<a href="https://github.com/w3c/csswg-drafts/issues/4043">Issue 4043</a>)
+			<blockquote>
+				<p>&hellip; (treating each track as its <a>max track sizing function</a> if that is <a>definite</a>
+				or as its minimum track sizing function otherwise,
+				<ins>flooring the <a>max track sizing function</a> by the <a>min track sizing function</a> if both are <a>definite</a>,</ins>
+				and taking 'gap' into account) &hellip;
+			</blockquote>
 		<li id="change-2017-flex-initial-growth-limit">
 			Initialize the <a>growth limit</a> of <a>flexible tracks</a> to infinity,
 			instead of setting it first to the base size and changing it later.