Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/18606
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GitHub user liu-zhaokun opened a pull request:
https://github.com/apache/spark/pull/18606
[SPARK-21382] The note about Scala 2.10 in building-spark.md is wrong.
[https://issues.apache.org/jira/browse/SPARK-21382](https://issues.apache.org/jira/browse/SPARK-21382)
There should be
