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Changes between Initial Version and Version 1 of Ticket #49288, comment 78

initial	v1
1	1	[attachment:"49288.10.diff"] adds a fix for the `max-width: 850px` media query, that is: when the post edit screen auto-switches to one-column layout under a viewport width of 850 pixels and before the responsive view kicks at 782 pixels.
2	2
3		Note: this is an edge case because the difference between these two viewport widths it's a "range" of only 68 pixels. There are other cases in core and I ''think'' they originate from a time when the responsive view switch at 782 pixels wasn't implemented yet. These special cases, together with the admin menu "auto-fold" maybe don't make much sense any longer and maybe, for the future, it would be worth considering to remove them now that there's a responsive view.
	3	Note: this is an edge case because the difference between these two viewport widths is a "range" of only 68 pixels. There are other cases in core and I ''think'' they originate from a time when the responsive view switch at 782 pixels wasn't implemented yet. These special cases, together with the admin menu "auto-fold" maybe don't make much sense any longer and maybe, for the future, it would be worth considering to remove them now that there's a responsive view.