[GitHub] spark issue #13972: [SPARK-16294][SQL] Labelling support for the include_exa...

[liancheng]

Github user liancheng commented on the issue:

    https://github.com/apache/spark/pull/13972
  
    @yinxusen @mengxr Actually I found overlapped labelling is far more easier 
than I expected earlier... So did it in the last commit.
    
    Made the following experiment to illustrate the effect:
    
    ```python
    # $SPARK_HOME/examples/src/main/python/test.py
    
    # $example on:foo$
    import used.by.foo
    # $example on:bar$
    import common.stuff
    # $example off:foo$
    import used.by.bar
    # $example off:bar$
    ```
    
    Liquid template:
    
    ```
    {% include_example foo python/test.py %}
    
    {% include_example bar python/test.py %}
    ```
    
    Screenshot:
    
    <img width="454" alt="overlapped-labels" 
src="https://cloud.githubusercontent.com/assets/230655/16474910/1490d872-3ead-11e6-9225-6cc35b55f365.png";>



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