Github user Karuppayya commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/559#issuecomment-166567968 @Leemoonsoo i was not aware of the use cases. if its natural behaviour, then we can allow running of empty paras. May be we have to put the CSS change in, else the messages gets hidden behind navbar. Just noticed that shift+enter does not work with empty paras(may be something to be fixed) irrespective of my change
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