[css-grid-1] Clarify definition of fit-content(). w3c#3569

Author: fantasai

css-grid-1/Overview.bs

@@ -1495,10 +1495,12 @@ Explicit Track Sizing: the 'grid-template-rows' and 'grid-template-columns' prop
 		<dt><dfn lt="fit-content()">fit-content( <<length-percentage>> )</dfn>
 		<dd>
 			Represents the formula
-			<code>min(''max-content'', max(''auto'', <var>argument</var>))</code>,
-			which is calculated like ''minmax(auto, max-content)'',
-			except that the track size is clamped at <var>argument</var>
-			if it is greater than the ''auto'' minimum.
+			<code>min(<var>minimum</var>, max(<var>limit</var>, ''max-content''))</code>,
+			where <var>minimum</var> represents an ''grid-template-columns/auto'' minimum
+			(which is often, but not always, equal to a ''min-content'' minimum),
+			and <var>limit</var> is the argument to ''fit-content()''.
+			This is essentially calculated as the smaller of
+			''minmax(auto, max-content)'' and ''minmax(auto, <var>limit</var>)''.
 	</dl>
 
 	<div class='example'>

css-grid-1/issues-cr-2017.bsi

@@ -385,6 +385,7 @@ Comment:  https://github.com/w3c/csswg-drafts/issues/3567
 Response: https://github.com/w3c/csswg-drafts/issues/3567#issuecomment-458755401
 Changes:  https://github.com/w3c/csswg-drafts/commit/ac95c6f9b43e7f0c6a376bb0ddd6df3635138936
 Closed:   Accepted
+Verified: https://github.com/w3c/csswg-drafts/issues/3567#issuecomment-458758329
 Resolved: Editorial
 ----
 Issue 44.
@@ -395,3 +396,17 @@ Response: https://github.com/w3c/csswg-drafts/issues/3568#issuecomment-458746482
 Closed:   Accepted
 Resolved: Bugfix
 ----
+Issue 45.
+Summary:  Definition of fit-content() is confusing
+From:     Oriol Brufau
+Comment:  https://github.com/w3c/csswg-drafts/issues/3569
+Open
+----
+Issue 46.
+Summary:  auto minimums under min/max-content constraint aren't floored at zero
+From:     Oriol Burfau
+Comment:  https://github.com/w3c/csswg-drafts/issues/3570
+Response: https://github.com/w3c/csswg-drafts/issues/3570#issuecomment-458756448
+Closed:   Accepted
+Resolved: Bugfix
+----

css-grid-1/issues-cr-2017.html

@@ -423,6 +423,7 @@ <h1>CSS Grid Layout Level 1 Disposition of Comments for 2017-12-14 CR</h1>
 <span>Response: <a href='https://github.com/w3c/csswg-drafts/issues/3567#issuecomment-458755401'>https://github.com/w3c/csswg-drafts/issues/3567#issuecomment-458755401</a></span>
 <span>Changes:  <a href='https://github.com/w3c/csswg-drafts/commit/ac95c6f9b43e7f0c6a376bb0ddd6df3635138936'>https://github.com/w3c/csswg-drafts/commit/ac95c6f9b43e7f0c6a376bb0ddd6df3635138936</a></span>
 <span class="a">Closed:   Accepted</span>
+<span class="a">Verified: <a href='https://github.com/w3c/csswg-drafts/issues/3567#issuecomment-458758329'>https://github.com/w3c/csswg-drafts/issues/3567#issuecomment-458758329</a></span>
 <span>Resolved: Editorial</span></pre>
 <pre class=' a' id='issue-44'>
 <span>Issue 44. <a href='#issue-44'>#</a></span>
@@ -432,6 +433,20 @@ <h1>CSS Grid Layout Level 1 Disposition of Comments for 2017-12-14 CR</h1>
 <span>Response: <a href='https://github.com/w3c/csswg-drafts/issues/3568#issuecomment-458746482'>https://github.com/w3c/csswg-drafts/issues/3568#issuecomment-458746482</a></span>
 <span class="a">Closed:   Accepted</span>
 <span>Resolved: Bugfix</span></pre>
+<pre class='open ' id='issue-45'>
+<span>Issue 45. <a href='#issue-45'>#</a></span>
+<span>Summary:  Definition of fit-content() is confusing</span>
+<span>From:     Oriol Brufau</span>
+<span>Comment:  <a href='https://github.com/w3c/csswg-drafts/issues/3569'>https://github.com/w3c/csswg-drafts/issues/3569</a></span>
+<span>Open</span></pre>
+<pre class=' a' id='issue-46'>
+<span>Issue 46. <a href='#issue-46'>#</a></span>
+<span>Summary:  auto minimums under min/max-content constraint aren't floored at zero</span>
+<span>From:     Oriol Burfau</span>
+<span>Comment:  <a href='https://github.com/w3c/csswg-drafts/issues/3570'>https://github.com/w3c/csswg-drafts/issues/3570</a></span>
+<span>Response: <a href='https://github.com/w3c/csswg-drafts/issues/3570#issuecomment-458756448'>https://github.com/w3c/csswg-drafts/issues/3570#issuecomment-458756448</a></span>
+<span class="a">Closed:   Accepted</span>
+<span>Resolved: Bugfix</span></pre>
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