From 8e9551669105bcf08dffcb6f9e1cfc0ef5f5d366 Mon Sep 17 00:00:00 2001
From: Sam Atkins The cloning steps for textarea
elements given node, copy, and subtree are to propagate the raw value and dirty
- value flag from node to node.
The children changed steps for textarea
elements must, if the
element's dirty value flag is false, set the element's