Index: gc_lang/fr/tb/content/lex_editor.js
==================================================================
--- gc_lang/fr/tb/content/lex_editor.js
+++ gc_lang/fr/tb/content/lex_editor.js
@@ -499,16 +499,15 @@
         let xFilePicker = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
         xFilePicker.init(window, "Enregistrer sous", Ci.nsIFilePicker.modeSave);
         xFilePicker.appendFilters(Ci.nsIFilePicker.filterAll | Ci.nsIFilePicker.filterText);
         xFilePicker.open(function (nReturnValue) {
             if (nReturnValue == Ci.nsIFilePicker.returnOK || nReturnValue == Ci.nsIFilePicker.returnReplace) {
-                // write file 
-                // OS.File.writeAtomic(xFilePicker.file.path, sJSON, {tmpPath: "file.txt.tmp"}); 
-
+                // https://developer.mozilla.org/en-US/docs/Mozilla/JavaScript_code_modules/OSFile.jsm
+                OS.File.writeAtomic(xFilePicker.file.path, sJSON, {tmpPath: "file.txt.tmp"}); 
+                /*
                 // You can also optionally pass a flags parameter here. It defaults to
                 // FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE | FileUtils.MODE_TRUNCATE;
-                console.log(xFilePicker);
                 let xOutStream = FileUtils.openSafeFileOutputStream(xFilePicker.file);
                 let xConverter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
                 xConverter.charset = "UTF-8";
                 let xInStream = xConverter.convertToInputStream(sJSON);
                 // The last argument (the callback) is optional.
@@ -516,10 +515,11 @@
                     if (!Components.isSuccessCode(status)) {
                         console.log(status);
                         return;
                     }
                 });
+                */
              }
         });
     }
 }