[css-sizing-4] Was supposed to be non-auto values only. w3c#1722

Author: fantasai

css-sizing-3/Overview.bs

@@ -837,7 +837,7 @@ Intrinsic Sizes</h3>
 				use the <a>stretch fit</a> into that size for the inline size
 				and calculate the block size using the aspect ratio.
 			* Otherwise
-				if the box has a [=definite=] value for 'min-width' or 'min-height',
+				if the box has a [=definite=] non-''min-width/auto'' value for 'min-width' or 'min-height',
 				use that size and calculate the other dimension using the aspect ratio;
 				if both dimensions have a definite minimum,
 				choose the one that results in the larger overall size.
@@ -851,13 +851,14 @@ Intrinsic Sizes</h3>
 				use an [=inline size=] matching
 				the corresponding dimension of the [=initial containing block=]
 				and calculate the other dimension using the aspect ratio.
+
 		<dt>For boxes without an intrinsic aspect ratio:
 		<dd>
 			* If the <a>available space</a> is <a>definite</a>
 				in the appropriate dimension,
 				use the <a>stretch fit</a> into that size in that dimension.
 			* Otherwise,
-				if the box has a <a>definite</a> non-zero minimum size ('min-width'/'min-height') in that dimension,
+				if the box has a <a>definite</a> non-''min-width/auto'' minimum size ('min-width'/'min-height') in that dimension,
 				use that size.
 			* Otherwise,
 				use ''300px'' for the width