[css-sizing-3] Define the minimum size for replaced element as well. w3c#6073

Author: tabatkins

css-sizing-3/Overview.bs

@@ -885,12 +885,16 @@ See <a href="https://www.w3.org/TR/CSS2/visudet.html">CSS2&sect;10</a>.
 
 This specification does not define how to determine the sizes of floats.
 Please refer to [[CSS2]].
-However, the [=max-content size=] of a [=replaced element=] with no [=natural size=]
-is defined below:
+However, the [=intrinsic sizes=] of [=replaced elements=] without [=natural sizes=]
+are defined below:
 
 <dl>
-	<dt>For [=replaced=] elements with a [=preferred aspect ratio=]:
+	<dt>If it has a [=preferred aspect ratio=]:
 	<dd>
+		For the [=min-content size=], use zero.
+
+		For the [=max-content size=]:
+
 		* If the <a>available space</a> is <a>definite</a>
 			in the <a>inline axis</a>,
 			use the <a>stretch fit</a> into that size for the inline size
@@ -917,8 +921,10 @@ is defined below:
 			and calculate the other dimension using the aspect ratio.
 			<!-- More brand-new behavior, to prevent max-content size from going infinite. -->
 
-	<dt>For [=replaced elements=] without a [=preferred aspect ratio=]:
+	<dt>If it has no [=preferred aspect ratio=]:
 	<dd>
+		For both the [=min-content size=] and [=max-content size=]:
+
 		* If the box has a <<length>> as its [=computed value|computed=]
 			[=minimum size=] ('min-width'/'min-height') in that dimension,
 			use that size.