Grease pencil, how do I use the shear tool? In edit mode, I select all points, they turn amber.
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I select the shear tool.
I click, and there's an up down arrow cursor.
I move it, nothing happens. 
I hit y key and now the cursor is left and right.
I move the mouse while holding left key.
My drawing is scaling in the X direction.


How do I shear my drawing?
Until Blender get an official release 2.8 cannot be dependably consistent and might change its behavior from test version to test version. Trying a new version may change all the previous methods of using it.