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This patch changes API of python-based dockers a bit. Now canvasChanged() can be called with null canvas, which means all (or the current) document was closed and the docker should deinitilize itself
119e223f
This patch changes API of python-based dockers a bit. Now canvasChanged() can be called with null canvas, which means all (or the current) document was closed and the docker should deinitilize itself