when strange unicode characters are in the string then content length is not correct

node_modules/c9/rest_client.js

@@ -36,7 +36,7 @@ function RestClient(host, port, config) {
         var headers = _.extend({
             "Accept": "application/json",
             "Content-Type": "application/json",
-            "Content-Length": payload.length
+            "Content-Length": Buffer.byteLength(payload)
         }, config.headers || {});
         
         var options = {