Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/15715
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GitHub user lw-lin opened a pull request:
https://github.com/apache/spark/pull/15715
[SPARK-18198][Doc][Streaming] Highlight code snippets
## What changes were proposed in this pull request?
We should use `{% highlight lang %}``{% endhighlight %}` to highlight code
