bone sketching in 2.49 (new feature) - can't delete sketch

hello,

i can’t delete a sketchpath.

Each time i close and reopen the bone-sketchting function or blender completely the same sketchpath i drew once in a previous session appears in the bone-sketching tool.
I can’t delete it - when i hit the delete button the nothing happens.

Also, how can you edit those sketchpaths at all?

thanks:)

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