From 741c2001376cd067f784bd02f96aa38e498bd4c5 Mon Sep 17 00:00:00 2001
From: Hayato Ito closed
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The shadow-including root of an object is its -host's root, if the object is a -shadow root, and its root otherwise.
+root's host's shadow-including root, if the +object's root is a shadow root, and its root otherwise.An object A is a shadow-including descendant of an object