From 9d4edd6c4d48aa972992e873241292f01a68a428 Mon Sep 17 00:00:00 2001
From: alisdair sullivan <alisdairsullivan@yahoo.ca>
Date: Tue, 20 Mar 2012 22:53:18 -0700
Subject: [PATCH] fix for older erts versions where the private space reserved
 characters are not recognized

---
 src/jsx_encoder.erl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/jsx_encoder.erl b/src/jsx_encoder.erl
index 9e362ee..9c10a19 100644
--- a/src/jsx_encoder.erl
+++ b/src/jsx_encoder.erl
@@ -161,10 +161,12 @@ clean_string(<<C/utf8, Rest/binary>>, Acc)
             C == 16#ffffe orelse C == 16#fffff orelse
             C == 16#10fffe orelse C == 16#10ffff ->
     clean_string(Rest, <<Acc/binary, 16#fffd/utf8>>);
-clean_string(<<C/utf8, Rest/binary>>, Acc) ->
-    clean_string(Rest, <<Acc/binary, C/utf8>>);
 clean_string(<<237, X, _, Rest/binary>>, Acc) when X >= 160 ->
     clean_string(Rest, <<Acc/binary, 16#fffd/utf8>>);
+clean_string(<<239, 183, X, Rest/binary>>, Acc) when X >= 144, X =< 175 ->
+    clean_string(Rest, <<Acc/binary, 16#fffd/utf8>>);
+clean_string(<<C/utf8, Rest/binary>>, Acc) ->
+    clean_string(Rest, <<Acc/binary, C/utf8>>);
 clean_string(<<_, Rest/binary>>, Acc) ->
     clean_string(Rest, <<Acc/binary, 16#fffd/utf8>>);
 clean_string(<<>>, Acc) -> Acc.