[css-sizing-3] Remove non-zero to avoid open-range problem. (Initial value is 'auto', so this won't shrink down to zero by default.) #4217

Author: fantasai

css-sizing-3/Overview.bs

@@ -838,7 +838,7 @@ 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 <a>definite</a> non-zero 'min-width' or 'min-height',
+				if the box has a [=definite=] 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.