[css-flexbox-1] Exclude collapsed items from intrinsic main size comp…

…utation. #5985

css-flexbox-1/Overview.bs

@@ -2965,7 +2965,8 @@ Flex Container Intrinsic Main Sizes</h4>
 	The <strong><a>max-content</a> <a>main size</a> of a <a>flex container</a></strong>
 	is the smallest size the <a>flex container</a> can take
 	while maintaining the [[#intrinsic-item-contributions|max-content contributions]] of its <a>flex items</a>,
-	insofar as allowed by the items’ own flexibility:
+	insofar as allowed by the items’ own flexibility.
+	Considering only non-[=collapsed=] [=flex items=]:
 
 	<ol>
 		<li>
@@ -2999,11 +3000,11 @@ Flex Container Intrinsic Main Sizes</h4>
 
 	The <strong><a>min-content</a> <a>main size</a></strong> of a <em><a>single-line</a></em> flex container
 	is calculated identically to the <a>max-content</a> <a>main size</a>,
-	except that the <a>flex item’s</a> [[#intrinsic-item-contributions|min-content contribution]] is used
-	instead of its [[#intrinsic-item-contributions|max-content contribution]].
+	except that the <a>flex items</a>’ [[#intrinsic-item-contributions|min-content contributions]] are used
+	instead of their [[#intrinsic-item-contributions|max-content contributions]].
 	However, for a <em><a>multi-line</a></em> container,
 	it is simply the largest [[#intrinsic-item-contributions|min-content contribution]]
-	of all the <a>flex items</a> in the <a>flex container</a>.
+	of all the non-[=collapsed=] <a>flex items</a> in the <a>flex container</a>.
 
 	<details class=note>
 		<summary>Implications of this algorithm when the sum of flex is less than 1</summary>