Github user HyukjinKwon commented on a diff in the pull request:

    https://github.com/apache/spark/pull/18581#discussion_r126462234
  
    --- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala ---
    @@ -628,6 +630,12 @@ class DataFrameReader private[sql](sparkSession: 
SparkSession) extends Logging {
        *   spark.read().text("/path/to/spark/README.md")
        * }}}
        *
    +   * You can set the following text-specific options to deal with text 
files:
    +   * <ul>
    +   * <li>`lineSep` (default is `\r\n` or `\n`): defines the line separator 
that should
    --- End diff --
    
    It sounds tricky but I guess we don't want a platform-dependent one - 
[SPARK-18076](https://issues.apache.org/jira/browse/SPARK-18076). Up to my 
knowledge, `LineRecordReader` should cover both `\r\n` and `\n`.  I will try to 
improve this documentation when cleaning other comments together if we are okay 
with this.


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