[css-grid] Improve wording for automin clamping. w3c#6278 (comment)

Author: fantasai

css-grid-1/Overview.bs

@@ -1331,12 +1331,13 @@ Automatic Minimum Size of Grid Items</h3>
 	plus any intervening <a lt="fixed sizing function">fixed</a> <a>gutters</a>.
 
 	In all cases, the size suggestion is additionally clamped by the [=maximum size=] in the affected axis,
-	if it's definite.
+	if it's [=definite=].
 	If the item is a [[css-sizing-3#min-content-zero|compressible replaced element]],
-	the size suggestion is clamped
-	by both the [=maximum size=] and the [=preferred size=], whichever are definite,
-	with their indefinite percentages resolved for this purpose against zero
-	(and therefore considered definite).
+	and has a [=definite=] [=preferred size=] or [=maximum size=]
+	in the relevant axis,
+	the size suggestion is capped by those sizes;
+	for this purpose, any indefinite percentages in these sizes
+	are resolved against zero (and considered [=definite=]).
 
 	Note: The argument to ''fit-content()'' does <em>not</em> clamp
 	the [=content-based minimum size=] in the same way as a
@@ -1363,11 +1364,11 @@ Automatic Minimum Size of Grid Items</h3>
 			converted through the aspect ratio.
 			It is otherwise undefined.
 
-			If the item’s has a [=preferred size=] or [=maximum size=]
+			If the item has a [=definite=] [=preferred size=] or [=maximum size=]
 			in the relevant axis,
-			the [=transferred size suggestion=] is capped by those sizes,
-			resolving any indefinite percentages in these sizes
-			against zero for this purpose.
+			the [=transferred size suggestion=] is capped by those sizes;
+			for this purpose, any indefinite percentages in these sizes
+			are resolved against zero (and considered [=definite=]).
 
 		<dt><dfn>content size suggestion</dfn>
 		<dd>

css-grid-2/Overview.bs

@@ -1379,10 +1379,11 @@ Automatic Minimum Size of Grid Items</h3>
 	In all cases, the size suggestion is additionally clamped by the [=maximum size=] in the affected axis,
 	if it's definite.
 	If the item is a [[css-sizing-3#min-content-zero|compressible replaced element]],
-	the size suggestion is clamped
-	by both the [=maximum size=] and the [=preferred size=], whichever are definite,
-	with their indefinite percentages resolved for this purpose against zero
-    (and therefore considered definite).
+	and has a [=definite=] [=preferred size=] or [=maximum size=]
+	in the relevant axis,
+	the size suggestion is capped by those sizes;
+	for this purpose, any indefinite percentages in these sizes
+	are resolved against zero (and considered [=definite=]).
 
 	Note: The argument to ''fit-content()'' does <em>not</em> clamp
 	the [=content-based minimum size=] in the same way as a
@@ -1409,11 +1410,11 @@ Automatic Minimum Size of Grid Items</h3>
 			converted through the aspect ratio.
 			It is otherwise undefined.
 
-			If the item’s has a [=preferred size=] or [=maximum size=]
+			If the item has a [=definite=] [=preferred size=] or [=maximum size=]
 			in the relevant axis,
-			the [=transferred size suggestion=] is capped by those sizes,
-			resolving any indefinite percentages in these sizes
-			against zero for this purpose.
+			the [=transferred size suggestion=] is capped by those sizes;
+			for this purpose, any indefinite percentages in these sizes
+			are resolved against zero (and considered [=definite=]).
 
 		<dt><dfn>content size suggestion</dfn>
 		<dd>