Github user gauravkumar37 commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/583#issuecomment-168153475 I agree with both @Leemoonsoo as well as @r-kamath. I suggest we remove the vertical bar from the output and have the color of the output differentiate errors from success. We could leave the vertical bar of the editor as it is, or we could change the color of the vertical bar w.r.t. error/success. So vertical bar's color could say about it's output. Grey: normal Orange: edited Red: output contains atleast 1 error Green: output contains no error While we are at it, we could, if possible, have different colors of different lines within the same output. For example, if there are are 4 lines in the output- 3 are fine while the 4th has an error. We show first 3 in green and the error in red within the same output area.
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