[css-scroll-snap-1] Break up the sentence so that it is parsable by mere mortals. #6863

Author: fantasai

css-scroll-snap-1/Overview.bs

@@ -778,10 +778,14 @@ Scoping Valid Snap Positions to Visible Boxes</h4>
 Snapping Boxes that Overflow the Scrollport</h4>
 
     If the <a>snap area</a> is larger than the <a>snapport</a> in a particular axis,
-    then any scroll position in which the <a>snap area</a> covers the <a>snapport</a>,
-    and the distance between the geometrically previous and subsequent <a>snap positions</a> in that axis
-    is larger than size of the <a>snapport</a> in that axis,
+    then any scroll position in which
+      * the <a>snap area</a> covers the <a>snapport</a>, and
+      * the distance between the geometrically previous and subsequent
+        otherwise-valid <a>snap positions</a> in that axis
+        is larger than size of the <a>snapport</a> in that axis,
+
     is a valid <a>snap position</a> in that axis.
+
     The UA may use the specified alignment as a more precise target
     for certain scroll operations (e.g. explicit paging).