Github user echarles commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/702#issuecomment-194109402 Right, `%r print("<h1>title</h1")` does not work at the time being. I didn't debug but I see what's going on and at first sight, it is not straightforward to make it work. I will try to apply some html encoding... and if it does not work, I will fallback to the `%text` magic keyword which btw is not supported atm. One more good catch for the rscala jar in the shell script. The fix will be to add the folder to the classpath instead of the file. 2 actions points on my plate.
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