[css-break-3] Take suggestion to swap order of two points.

Author: fantasai

css-break-3/Overview.bs

@@ -834,13 +834,8 @@ Breaking into Varying-size Fragmentainers</h3>
     When a flow is fragmented into varying-size fragmentainers, the following
     rules are observed for adapting layout:
   </p>
-  <!-- try to make this clearer. Steve suggests swapping first two points, maybe break it up more? -->
+  <!-- try to make this clearer. Steve suggested swapping first two points (done), maybe break it up more? -->
   <ul>
-    <li>
-      Intrinsic sizes are calculated and maintained across the entire element.
-      Where an initial containing block size is needed to resolve an intrinsic
-      size, assume the size of the first fragmentainer defining a fragmentation context.
-    </li>
     <li>
       Layout is performed per-fragmentainer, with each fragmentainer continuing
       progress from the breakpoint on the previous, but recalculating sizes
@@ -852,6 +847,11 @@ Breaking into Varying-size Fragmentainers</h3>
       the UA may instead maintain a consistent <a>inline size</a> and resolved <a>block size</a>
       across fragmentainers.
     </li>
+    <li>
+      Intrinsic sizes are calculated and maintained across the entire element.
+      Where an initial containing block size is needed to resolve an intrinsic
+      size, assume the size of the first fragmentainer defining a fragmentation context.
+    </li>
     <li>
       Fragments of boxes that began on a previous fragmentainer must obey
       placement rules with the additional constraint that fragments must