Added another comment explaining the regexp change

Alex Bush · Alex Bush · commit 31cdbdc73b37 · 2017-12-08T20:58:50.000Z
diff --git a/livy/src/main/java/org/apache/zeppelin/livy/LivySparkSQLInterpreter.java b/livy/src/main/java/org/apache/zeppelin/livy/LivySparkSQLInterpreter.java
@@ -197,6 +197,7 @@ protected List<String> parseSQLOutput(String output) {
       // Only match format "|....|"
       // skip line like "+---+---+" and "only showing top 1 row"
       String line = output.substring(lineStart, lineEnd);
+      // Use the DOTALL regex mode to match newlines
       if (line.matches("(?s)^\\|.*\\|$")) {
         List<String> cells = new ArrayList<>();
         for (Pair pair : pairs) {
