chz true to default of allowBackslashEscapingAnyCharacter and remove \ in comment

Author: Cazen

python/pyspark/sql/readwriter.py

@@ -160,8 +160,8 @@ def json(self, path, schema=None):
                 quotes
             * ``allowNumericLeadingZeros`` (default ``false``): allows leading zeros in numbers \
                 (e.g. 00012)
-            * ``allowBackslashEscapingAnyCharacter`` (default ``false``): allows accepting quoting \
-                of all character using backslash quoting mechanism \
+            * ``allowBackslashEscapingAnyCharacter`` (default ``true``): allows accepting quoting \
+                of all character using backslash quoting mechanism
 
         >>> df1 = sqlContext.read.json('python/test_support/sql/people.json')
         >>> df1.dtypes

sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala

@@ -257,7 +257,7 @@ class DataFrameReader private[sql](sqlContext: SQLContext) extends Logging {
    * </li>
    * <li>`allowNumericLeadingZeros` (default `false`): allows leading zeros in numbers
    * (e.g. 00012)</li>
-   * <li>`allowBackslashEscapingAnyCharacter` (default `false`): allows accepting quoting of all
+   * <li>`allowBackslashEscapingAnyCharacter` (default `true`): allows accepting quoting of all
    * character using backslash quoting mechanism</li>
    *
    * @since 1.6.0

sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/json/JSONOptions.scala

@@ -32,7 +32,7 @@ case class JSONOptions(
     allowSingleQuotes: Boolean = true,
     allowNumericLeadingZeros: Boolean = false,
     allowNonNumericNumbers: Boolean = false,
-    allowBackslashEscapingAnyCharacter: Boolean = false) {
+    allowBackslashEscapingAnyCharacter: Boolean = true) {
 
   /** Sets config options on a Jackson [[JsonFactory]]. */
   def setJacksonOptions(factory: JsonFactory): Unit = {
@@ -64,6 +64,6 @@ object JSONOptions {
     allowNonNumericNumbers =
       parameters.get("allowNonNumericNumbers").map(_.toBoolean).getOrElse(true),
     allowBackslashEscapingAnyCharacter =
-      parameters.get("allowBackslashEscapingAnyCharacter").map(_.toBoolean).getOrElse(false)
+      parameters.get("allowBackslashEscapingAnyCharacter").map(_.toBoolean).getOrElse(true)
   )
 }