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Changes between Initial Version and Version 1 of Ticket #19173, comment 4

initial	v1
1		The problem is that TinyMCE, once initialized cannot be moved in the DOM, or rather the browsers cannot handle it being moved. Moving the postbox triggers this. Some browsers/versions handle that better than others as @ocean90 mentions above but generally the editor textarea and iframe shouldn't be moved.
	1	The problem is that TinyMCE, once initialized cannot be moved in the DOM, or rather the browsers cannot handle it being moved. That's why the errors are so inconsistent in different browsers. Moving the postbox triggers this. Some browsers/versions handle that better than others as @ocean90 mentions above but generally the editor textarea and iframe shouldn't be moved.
2	2
3	3	As $goto10 mentions using `wp_editor()` would be quite common inside a postbox, so we will need to find an easy way to disable moving of that postbox (dragging it on the screen doesn't count as moving although it's very CPU intensive, re-inserting the parent element somewhere else in the DOM is the problem).