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Just wonder why there is not a cancel or close option when one is in the back-end Member maintenance. Only options are "Remove Avatar", "Save and Close" and "Save".
First of all, I strongly recommend to upgrade your JomSocial to the latest 3.1.0.3 version, which contains a very important fix for secruity. Secondly, yeah...you're completly right, should button should be there. I'll pass this thread to our developers.