Update NEWS and UPGRADING for PR #1701

Author: bukka

NEWS

@@ -15,6 +15,11 @@ PHP                                                                        NEWS
 - Hash:
   . Added SHA3 fixed mode algorithms (224, 256, 384, and 512 bit). (Sara)
 
+- JSON:
+  . Escaped U+2028 and U+2029 when JSON_UNESCAPED_UNICODE is supplied as
+    json_encode options and added JSON_UNESCAPED_LINE_TERMINATORS to restore
+    the previous behaviour. (Eddie Kohler)
+
 - PDO_Firebird:
   . Fixed bug #60052 (Integer returned as a 64bit integer on X86_64). (Mariuz)
 

UPGRADING

@@ -22,6 +22,10 @@ PHP 7.1 UPGRADE NOTES
   . 'void' can no longer be used as the name of a class, interface, or trait.
     This applies to declarations, class_alias() and use statements.
 
+- JSON:
+  . When calling json_encode with JSON_UNESCAPED_UNICODE option, U+2028 and
+    U+2029 are escaped.
+
 ========================================
 2. New Features
 ========================================
@@ -45,6 +49,9 @@ PHP 7.1 UPGRADE NOTES
 - The first $varname argument for getenv() is no longer mandatory, the
   current environment variables will be returned as an associative array
   when omitted.
+- json_encode() accepts new option JSON_UNESCAPED_LINE_TERMINATORS that
+  disables escaping of U+2028 and U+2029 characters when
+  JSON_UNESCAPED_UNICODE is supplied.
 - long2ip() accepts integer as parameter now
 - pg_last_notice() accepts optional long parameter to specify operation.
   PGSQL_NOTICE_LAST - Get last notice (Default)
@@ -79,6 +86,9 @@ PHP 7.1 UPGRADE NOTES
 10. New Global Constants
 ========================================
 
+- JSON:
+  . JSON_UNESCAPED_LINE_TERMINATORS
+
 - Pgsql:
   PGSQL_NOTICE_LAST
   PGSQL_NOTICE_ALL