[css-flexbox-1] Specify that min-width/height: auto computes to itself on flex items always. #2230 Pending WG approval.

Author: fantasai

css-flexbox-1/Overview.bs

@@ -904,9 +904,9 @@ Automatic Minimum Size of Flex Items</h3>
 	this specification defines that the ''min-width/auto'' keyword
 	of the 'min-width' and 'min-height' properties
 	(which represents their initial value)
-	applies an <a>automatic minimum size</a>
+	computes to itself on <a>flex items</a> and
+	applies a non-zero <a>automatic minimum size</a>
 	to <a>flex items</a> whose 'overflow' is ''overflow/visible'' in the <a>main axis</a>.
-	(It otherwise computes to zero, see [[!CSS3-SIZING]].)
 
 	In general, the <a>automatic minimum size</a> of a <a>flex item</a>
 	is the smaller of its <a>content size</a> and its <a>specified size</a>.
@@ -3461,6 +3461,13 @@ Changes since the 16 October 2017 CR</h3>
 			they must be resolved against the inline dimension, as for blocks.
 			(<a href="https://github.com/w3c/csswg-drafts/issues/2085">Issue 2085</a>)
 
+		<li id="change-2017-min-size-auto-computed">
+			Clearly defined when ''min-width/auto'' computes to itself on flex items:
+			in both axes, always.
+			(<a href="https://github.com/w3c/csswg-drafts/issues/2230">Issue 2230</a>)
+			<blockquote>
+			</blockquote>
+
 		<li id="change-2017-content-desc">
 			Added some (effectively informative) prose and a cross-reference
 			to more clearly define ''flex-basis: content''.
@@ -3475,6 +3482,12 @@ Changes since the 16 October 2017 CR</h3>
 				see <a href="#algo-main-item">details</a> in [[#layout-algorithm]].)</ins>
 				</p>
 			</blockquote>
+
+		<li id="change-2017-min-size-auto">
+			Moved the definition of the ''min-width/auto'' keyword for 'min-width' and 'min-height'
+			to [[!CSS3-SIZING]].
+			(The definition of what an <a>automatic minimum size</a> for flex items is remains here.)
+			(<a href="https://github.com/w3c/csswg-drafts/issues/2103">Issue 2103</a>)
 	</ul>
 
 <h3 id="changes-20160526">