Github user prabhjyotsingh commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/452#issuecomment-158715588
@corneadoug I initially thought about doing a something like that, but
later though there may be some corner case in which there could be multiple
buttons. Hence, wrote something complex.
Sure, I'll make the relevant changes as suggested.
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