Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/12757#discussion_r61503201
--- Diff: docs/programming-guide.md ---
@@ -24,7 +24,8 @@ along with if you launch Spark's interactive shell --
either `bin/spark-shell` f
<div data-lang="scala" markdown="1">
-Spark {{site.SPARK_VERSION}} uses Scala {{site.SCALA_BINARY_VERSION}}. To
write
+Spark {{site.SPARK_VERSION}} is built and distributed to work with Scala
{{site.SCALA_BINARY_VERSION}}
+by default. (Spark can be built to work with other versions of Scala,
too.) To write
--- End diff --
I don't follow. There are 2.10 and 2.11 artifacts in Maven for you to build
against. There is actually only a 2.10 flavor of the release binaries. For
simplicity I guess. No you can't mix/match scala versions.
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