Index: gc_lang/fr/webext/content_scripts/init.js
==================================================================
--- gc_lang/fr/webext/content_scripts/init.js
+++ gc_lang/fr/webext/content_scripts/init.js
@@ -111,10 +111,19 @@
         oGrammalecte.createLxgPanel();
         oGrammalecte.oLxgPanel.clear();
         oGrammalecte.oLxgPanel.show();
         oGrammalecte.oLxgPanel.startWaitIcon();
     },
+
+    getPageText: function () {
+        let sPageText = document.body.textContent;
+        let nPos = sPageText.indexOf("__grammalecte_panel__");
+        if (nPos >= 0) {
+            sPageText = sPageText.slice(0, nPos);
+        }
+        return sPageText;
+    },
 
     createNode: function (sType, oAttr, oDataset=null) {
         try {
             let xNode = document.createElement(sType);
             Object.assign(xNode, oAttr);
@@ -185,11 +194,11 @@
             break;
         case "rightClickGCPage":
             oGrammalecte.startGCPanel();
             xGrammalectePort.postMessage({
                 sCommand: "parseAndSpellcheck",
-                dParam: {sText: document.body.textContent, sCountry: "FR", bDebug: false, bContext: false},
+                dParam: {sText: oGrammalecte.getPageText(), sCountry: "FR", bDebug: false, bContext: false},
                 dInfo: {sTextAreaId: xRightClickedNode.id}
             });
             break;
         case "rightClickGCSelectedText":
             oGrammalecte.startGCPanel();
@@ -207,11 +216,11 @@
             break;
         case "rightClickLxgPage":
             oGrammalecte.startLxgPanel();
             xGrammalectePort.postMessage({
                 sCommand: "getListOfTokens",
-                dParam: {sText: document.body.textContent},
+                dParam: {sText: oGrammalecte.getPageText()},
                 dInfo: {sTextAreaId: xRightClickedNode.id}
             });
             break;
         case "rightClickLxgSelectedText":
             oGrammalecte.startLxgPanel();

Index: gc_lang/fr/webext/content_scripts/panel.css
==================================================================
--- gc_lang/fr/webext/content_scripts/panel.css
+++ gc_lang/fr/webext/content_scripts/panel.css
@@ -38,10 +38,15 @@
     padding: 10px 20px;
 }
 .grammalecte_panel_label {
     display: inline-block;
     padding: 0 10px;
+}
+.grammalecte_panel_invisible_marker {
+    font-size: 1px;
+    position: absolute;
+    visibility: hidden;
 }
 
 .grammalecte_panel_commands {
     float: right;
 }

Index: gc_lang/fr/webext/content_scripts/panel.js
==================================================================
--- gc_lang/fr/webext/content_scripts/panel.js
+++ gc_lang/fr/webext/content_scripts/panel.js
@@ -19,10 +19,11 @@
     }
 
     _createPanel (sTitle) {
         try {
             let xPanel = oGrammalecte.createNode("div", {id: this.sId, className: "grammalecte_panel"});
+            this.xPanelBar.appendChild(oGrammalecte.createNode("div", {className: "grammalecte_panel_invisible_marker", textContent: "__grammalecte_panel__"}));
             this.xPanelBar.appendChild(this._createButtons());
             let xTitle = oGrammalecte.createNode("div", {className: "grammalecte_panel_title"});
             xTitle.appendChild(this._createLogo());
             xTitle.appendChild(oGrammalecte.createNode("div", {className: "grammalecte_panel_label", textContent: sTitle}));
             this.xPanelBar.appendChild(xTitle);