[css-grid][css-flexbox] Clarify that content-based minimum size is an intrinsic size contribution and thus special rules in css-sizing-3 (like cyclic percentage resolution) apply. w3c#5665"

Author: fantasai

css-flexbox-1/Overview.bs

@@ -966,6 +966,9 @@ Automatic Minimum Size of Flex Items</h3>
 	is a <dfn>content-based minimum size</dfn>;
 	for <a>scroll containers</a> the <a>automatic minimum size</a> is zero, as usual.
 
+	Note: The [=content-based minimum size=] is a type of [=intrinsic size contribution=],
+	and thus the provisions in [[css-sizing-3#intrinsic-contribution]] apply.
+
 	In general, the <a>content-based minimum size</a> of a <a>flex item</a>
 	is the smaller of its <a>content size suggestion</a> and its <a>specified size suggestion</a>.
 	However, if the box has an [=preferred aspect ratio|aspect ratio=] and no <a>specified size suggestion</a>,
@@ -3762,6 +3765,12 @@ Changes since the <a href="https://www.w3.org/TR/2018/CR-css-flexbox-1-20181119/
 				its used <del>inner</del> cross size
 				and the flex item’s intrinsic aspect ratio.
 			</blockquote>
+
+		<li id="change-2018-auto-min-contribution">
+			Clarified that the [=content-based minimum size=] of a flex item
+			is a type of [=intrinsic size contribution=],
+			and thus impacted by associated rules in [[css-sizing-3]].
+			(<a href="https://github.com/w3c/csswg-drafts/issues/5665#issuecomment-738391191">Issue 5665</a>)
 	</ul>
 
 <h3 id="changes-20171016">

css-grid-1/Overview.bs

@@ -1305,6 +1305,9 @@ Automatic Minimum Size of Grid Items</h3>
 
 	Otherwise, the [=automatic minimum size=] is zero, as usual.
 
+	Note: The [=content-based minimum size=] is a type of [=intrinsic size contribution=],
+	and thus the provisions in [[css-sizing-3#intrinsic-contribution]] apply.
+
 	The <dfn>content-based minimum size</dfn> for a <a>grid item</a> in a given dimension is
 	its <a>specified size suggestion</a> if it exists,
 	otherwise its <a>transferred size suggestion</a> if that exists,
@@ -4674,6 +4677,17 @@ Changes</h2>
 
 	This section documents the changes since previous publications.
 
+<h3 id="changes-202012">
+Changes since the <a href="https://www.w3.org/TR/2020/CRD-css-grid-1-20201218/">18 December 2020 CR</a></h3>
+
+	<ul class="non-normative">
+		<li id="change-2020-auto-min-contribution">
+			Clarified that the [=content-based minimum size=] of a grid item
+			is a type of [=intrinsic size contribution=],
+			and thus impacted by associated rules in [[CSS-SIZING-3]].
+			(<a href="https://github.com/w3c/csswg-drafts/issues/5665#issuecomment-738391191">Issue 5665</a>)
+	</ul>
+
 <h3 id="changes-202008">
 Changes since the <a href="https://www.w3.org/TR/2020/CR-css-grid-1-20200818/">18 August 2020 CR</a></h3>
 

css-grid-2/Overview.bs

@@ -1351,6 +1351,9 @@ Automatic Minimum Size of Grid Items</h3>
 
 	Otherwise, the [=automatic minimum size=] is zero, as usual.
 
+	Note: The [=content-based minimum size=] is a type of [=intrinsic size contribution=],
+	and thus the provisions in [[css-sizing-3#intrinsic-contribution]] apply.
+
 	The <dfn>content-based minimum size</dfn> for a <a>grid item</a> in a given dimension is
 	its <a>specified size suggestion</a> if it exists,
 	otherwise its <a>transferred size suggestion</a> if that exists,
@@ -5310,6 +5313,17 @@ Privacy and Security Considerations {#priv-sec}
 <h2 id="changes">
 Changes</h2>
 
+<h3 id="changes-202012">
+Changes since the <a href="https://www.w3.org/TR/2020/CRD-css-grid-2-20201218/">18 December 2020 CR</a></h3>
+
+	<ul class="non-normative">
+		<li id="change-2020-auto-min-contribution">
+			Clarified that the [=content-based minimum size=] of a grid item
+			is a type of [=intrinsic size contribution=],
+			and thus impacted by associated rules in [[CSS-SIZING-3]].
+			(<a href="https://github.com/w3c/csswg-drafts/issues/5665#issuecomment-738391191">Issue 5665</a>)
+	</ul>
+
 <h3 id="changes-202008">
 Changes since the <a href="https://www.w3.org/TR/2020/CR-css-grid-2-20200818/">August 2020 CR</a></h3>