Make the run-in recursion explicit, so it's clear the second step doesn't recurse. Fixes #1460.

tabatkins · tabatkins · commit c9f1bb16d0e5 · 2017-07-05T14:06:47.000-07:00
diff --git a/css-display/Overview.bs b/css-display/Overview.bs
@@ -754,6 +754,9 @@ Run-In Layout</h2>
 			after its ''::marker'' pseudo-element's boxes (if any),
 			but preceding any other boxes generated by the contents of the block
 			(including the box generated by the ''::before'' pseudo-element, if any).
+			This step recurses if possible
+			(so that the run-in effectively becomes
+			part of the deepest subsequent “paragraph” in its formatting context).
 
 			The reparented content is then formatted as if originally parented there.
 			<span class='note'>Note that only layout is affected, not inheritance,
