Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/22048#discussion_r212557191
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -294,23 +294,24 @@ class Dataset[T] private[sql](
// We set a minimum column width at '3'
val minimumColWidth = 3
+ val regex = """[^\x00-\u2e39]""".r
--- End diff --
I agree with @srowen's comment. To make it clear, could you please add
tests for more characters?
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