Index: gc_lang/fr/webext/content_scripts/content_modifier.js
==================================================================
--- gc_lang/fr/webext/content_scripts/content_modifier.js
+++ gc_lang/fr/webext/content_scripts/content_modifier.js
@@ -125,10 +125,11 @@
     },
 
     createGCPanel: function () {
         if (this.oGCPanel === null) {
             this.oGCPanel = new GrammalecteGrammarChecker("grammalecte_gc_panel", "Grammalecte", 500, 700);
+            //this.oGCPanel.logInnerHTML();
             this.oGCPanel.insertIntoPage();
         }
     }
 }
 

Index: gc_lang/fr/webext/content_scripts/gc_content.js
==================================================================
--- gc_lang/fr/webext/content_scripts/gc_content.js
+++ gc_lang/fr/webext/content_scripts/gc_content.js
@@ -9,11 +9,11 @@
             if (xElem.id.startsWith("grammalecte_sugg")) {
                 oGrammalecte.oGCPanel.applySuggestion(xElem.id);
             } else if (xElem.id === "grammalecte_tooltip_ignore") {
                 oGrammalecte.oGCPanel.ignoreError(xElem.id);
             } else if (xElem.id.startsWith("grammalecte_check")) {
-                oGrammalecte.oGCPanel.recheckParagraph(parseInt(xElem.id.slice(17)));
+                oGrammalecte.oGCPanel.recheckParagraph(parseInt(xElem.dataset.para_num));
             } else if (xElem.id.startsWith("grammalecte_hide")) {
                 xElem.parentNode.parentNode.style.display = "none";
             } else if (xElem.tagName === "U" && xElem.id.startsWith("grammalecte_err")
                        && xElem.className !== "corrected" && xElem.className !== "ignored") {
                 oGrammalecte.oGCPanel.oTooltip.show(xElem.id);
@@ -79,11 +79,11 @@
         try {
             if (oResult && oResult.sParagraph.trim() !== "" && (oResult.aGrammErr.length > 0 || oResult.aSpellErr.length > 0)) {
                 let xNodeDiv = createNode("div", {className: "grammalecte_paragraph_block"});
                 // actions
                 let xActionsBar = createNode("div", {className: "grammalecte_paragraph_actions"});
-                xActionsBar.appendChild(createNode("div", {id: "grammalecte_check" + oResult.iParaNum, className: "button green", textContent: "Réanalyser"}));
+                xActionsBar.appendChild(createNode("div", {id: "grammalecte_check" + oResult.iParaNum, className: "button green", textContent: "Réanalyser"}, {para_num: oResult.iParaNum}));
                 xActionsBar.appendChild(createNode("div", {id: "grammalecte_hide" + oResult.iParaNum, className: "button red bold", textContent: "×"}));
                 // paragraph
                 let xParagraph = createNode("p", {id: "grammalecte_paragraph"+oResult.iParaNum, lang: "fr", contentEditable: "true"}, {para_num: oResult.iParaNum});
                 xParagraph.setAttribute("spellcheck", "false"); // doesn’t seem possible to use “spellcheck” as a common attribute.
                 xParagraph.className = (oResult.aGrammErr.length || oResult.aSpellErr.length) ? "grammalecte_paragraph softred" : "grammalecte_paragraph";