Index: gc_core/js/ibdawg.js
==================================================================
--- gc_core/js/ibdawg.js
+++ gc_core/js/ibdawg.js
@@ -1,11 +1,11 @@
 //// IBDAWG
 
 "use strict";
 
 
-if (typeof(exports) !== 'undefined') {
+if (typeof(require) !== 'undefined') {
     var str_transform = require("resource://grammalecte/str_transform.js");
     var helpers = require("resource://grammalecte/helpers.js");
 }
 
 
@@ -18,14 +18,13 @@
 class IBDAWG {
     // INDEXABLE BINARY DIRECT ACYCLIC WORD GRAPH
 
     constructor (sDicName) {
         try {
-            const dict = JSON.parse(helpers.loadFile("resource://grammalecte/_dictionaries/"+sDicName));
+            let sURL = (typeof(browser) !== 'undefined') ? browser.extension.getURL("grammalecte/_dictionaries/"+sDicName) : "resource://grammalecte/_dictionaries/"+sDicName;
+            const dict = JSON.parse(helpers.loadFile(sURL));
             Object.assign(this, dict);
-            //const dict = require("resource://grammalecte/"+sLang+"/dictionary.js");
-            //Object.assign(this, dict.dictionary);
         }
         catch (e) {
             throw Error("# Error. File not found or not loadable.\n" + e.message + "\n");
         }
         /*

Index: gc_core/js/lang_core/gc_engine.js
==================================================================
--- gc_core/js/lang_core/gc_engine.js
+++ gc_core/js/lang_core/gc_engine.js
@@ -3,12 +3,12 @@
 ${string}
 ${regex}
 ${map}
 
 
-if (typeof(exports) !== 'undefined') {
-    var ibdawg = require("resource://grammalecte/ibdawg.js");
+if (typeof(require) !== 'undefined') {
+    var IBDAWG = require("resource://grammalecte/ibdawg.js").IBDAWG;
     var helpers = require("resource://grammalecte/helpers.js");
     var gc_options = require("resource://grammalecte/${lang}/gc_options.js");
     var gc_rules = require("resource://grammalecte/${lang}/gc_rules.js");
     var cregex = require("resource://grammalecte/${lang}/cregex.js");
     var text = require("resource://grammalecte/text.js");
@@ -310,11 +310,11 @@
 
     //// Initialization
 
     load: function (sContext="JavaScript") {
         try {
-            _oDict = new ibdawg.IBDAWG("${dic_name}.json");
+            _oDict = new IBDAWG("${dic_name}.json");
             _sAppContext = sContext;
             _dOptions = gc_options.getOptions(sContext).gl_shallowCopy();     // duplication necessary, to be able to reset to default
         }
         catch (e) {
             helpers.logerror(e);

Index: gc_core/js/str_transform.js
==================================================================
--- gc_core/js/str_transform.js
+++ gc_core/js/str_transform.js
@@ -1,10 +1,10 @@
 //// STRING TRANSFORMATION
 
 // Note: 48 is the ASCII code for "0"
 
-const str_transform = {
+var str_transform = {
     getStemFromSuffixCode: function (sFlex, sSfxCode) {
         // Suffix only
         if (sSfxCode == "0") {
             return sFlex;
         }

Index: gc_lang/fr/webext/gce_worker.js
==================================================================
--- gc_lang/fr/webext/gce_worker.js
+++ gc_lang/fr/webext/gce_worker.js
@@ -28,13 +28,16 @@
 helpers.echo(mfsp.getMasForm("emmerdeuse", true));
 helpers.echo(mfsp.getMasForm("pointilleuse", false));
 
 helpers.echo(phonet.getSimil("est"));
 
+let oDict = new IBDAWG("French.json");
+helpers.echo(oDict.getMorph("merde"));
+
+
 
 let oTokenizer = null;
-let oDict = null;
 let oLxg = null;
 
 function loadGrammarChecker (sGCOptions="", sContext="JavaScript") {
     if (gce === null) {
         try {

Index: gc_lang/fr/webext/manifest.json
==================================================================
--- gc_lang/fr/webext/manifest.json
+++ gc_lang/fr/webext/manifest.json
@@ -30,10 +30,12 @@
     "browser_style": false
   },
   "background": {
     "scripts": [
       "grammalecte/helpers.js",
+      "grammalecte/str_transform.js",
+      "grammalecte/ibdawg.js",
       "grammalecte/text.js",
       "grammalecte/tokenizer.js",
       "grammalecte/fr/conj.js",
       "grammalecte/fr/mfsp.js",
       "grammalecte/fr/phonet.js",