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Changes between Initial Version and Version 1 of Ticket #13722, comment 4

initial	v1
1	1	I did a test with a user who never used JOSM before (only saw me using it sometimes). I showed him JOSM's slippy map, the layer list, the function of the eye icon (on/off of the layer) and the sliders (I moved the opacity slider around a bit and showed the effect on the map). He told me "ahh, this is like GIMP!" I asked the person to close his eyes. Then I set the opacity slider to a very low value (but not 0) making the map invisible. I asked the person to open eyes and asked: "why can't I see the map? What's wrong?" The user had a short look at the eye icon and then opened the visibility popup. Then he moved the opacity slider back up and told me "there it is!". This only took some seconds in total.
2	2
3		Taken into account that the opacity change is only valid for the layer's lifetime, I think the additional checkbox in the popup and any automatic visibility status changes (which are based on the opacity slider) are superfluous.
	3	Taken into account that the opacity change is only valid for the layer's lifetime, I think the additional checkbox (compare with JOSM version 7000 below) in the popup and any automatic visibility status changes (which are based on the opacity slider) are superfluous.
4	4
5	5	Have a nice day!