[css-grid-1] After intrinsic sizing, flexible tracks should have a growth limit equal to their base size in all cases; and therefore not grow during Maximize Tracks. #3693

Author: fantasai

css-grid-1/Overview.bs

@@ -4161,7 +4161,7 @@ Resolve Intrinsic Track Sizes</h3>
 			<ul>
 				<li>
 					treating <a>flexible tracks</a> as having
-					a <a>max track sizing function</a> equal to their <a>min track sizing function</a>
+					an infinite <a>growth limit</a>
 				<li>
 					distributing space <em>only</em> to <a>flexible tracks</a>
 					(i.e. treating all other tracks as having a <a>fixed sizing function</a>)
@@ -4176,7 +4176,8 @@ Resolve Intrinsic Track Sizes</h3>
 
 		<li id="algo-finite-growth">
 			If any track still has an infinite <a>growth limit</a>
-			(because, for example, it had no items placed in it),
+			(because, for example, it had no items placed in it
+			or it is a <a>flexible track</a>),
 			set its <a>growth limit</a> to its <a>base size</a>.
 	</ol>
 
@@ -4660,13 +4661,13 @@ Major Changes</h4>
 				whose edges coincide with the <del>padding</del> <ins>content</ins> edges of the <a>grid container</a>.
 			</blockquote>
 
-		<li id="change-2018-scrollable-grid">
+		<li id="change-2017-scrollable-grid">
 			The grid (and surrounding padding) is included in the scrollable overflow area.
 			See [[#overflow]].
 			(<a href="https://github.com/w3c/csswg-drafts/issues/3638">Issue 3638</a>,
 			 <a href="https://github.com/w3c/csswg-drafts/issues/3665">Issue 3665</a>)
 
-		<li id="change-2018-flex-zero-sum">
+		<li id="change-2017-flex-zero-sum">
 			Don't divide by zero when <a lt="distribute extra space">distributing extra space</a>
 			across <a>flexible tracks</a>
 			when the sum of their <a>flexible sizing functions</a> is zero.
@@ -4679,6 +4680,27 @@ Major Changes</h4>
 				according to the ratios of their <a>flexible sizing functions</a>
 				rather than distributing space equally
 			</blockquote>
+
+		<li id="change-2017-no-maximize-flex">
+			Don't calculate growth limits of flexible tracks as intrinsic sizes;
+			set them to the base size at the end of intrinsic track sizing
+			so that they don't grow during Maximize Tracks
+			(due to differences between interpreting ''grid-template-columns/auto''
+			<a>min track sizing functions</a> and <a>max track sizing functions</a>, etc.).
+			(<a href="https://github.com/w3c/csswg-drafts/issues/3693">Issue 3693</a>)
+			<blockquote>
+				<ul>
+					<li>treating <a>flexible tracks</a> as having
+					<del>a <a>max track sizing function</a> equal to their <a>min track sizing function</a></del>
+					<ins>an infinite <a>growth limit</a></ins>
+				</ul>
+			</blockquote>
+			<blockquote>
+				<p>If any track still has an infinite <a>growth limit</a>
+				(because, for example, it had no items placed in it
+				<ins>or it is a <a>flexible track</a></ins>),
+				set its <a>growth limit</a> to its <a>base size</a>.
+			</blockquote>
 	</ul>
 
 <h4 id="clarify-2017">