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dotCooCoo
fc70b08f71
A blend made with Create Spine set to Never now shows the Appearance widget with the Selection and Blend tools, so its color Shift can be dragged on the canvas as on a blend with a spine. The Easing widget stays hidden, since easing needs a spine. The widget sits 16 px above the halfway point, by length, of the straight lines between the key centers that the steps are laid out along, and a drag follows those lines' direction there. The lines are not drawn. `blend_layout_line` exposes that line; `blend_spine` still returns `None` for such a blend.