Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/7850#discussion_r36031562
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -1776,6 +1776,24 @@ object functions {
}
/**
+ * Returns string, with the first letter of each word in uppercase,
--- End diff --
does this turns other things to lower case? The current documentation
sounds like initcap("ABC") will become "Abc"
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