Grammalecte  Diff

            this.xTooltipArrow.style.top = (xNodeErr.offsetTop + 16) + "px";
            let nUsefulErrorWidth = ((xNodeErr.offsetLeft + xNodeErr.offsetWidth) > nArrowLimit) ? (nArrowLimit - xNodeErr.offsetLeft) : xNodeErr.offsetWidth;
            this.xTooltipArrow.style.left = (xNodeErr.offsetLeft + Math.floor((nUsefulErrorWidth / 2)) - 4) + "px"; // 4 is half the width of the arrow.
            this.xTooltip.style.top = (xNodeErr.offsetTop + 20) + "px";
            this.xTooltip.style.left = (xNodeErr.offsetLeft > nTooltipLeftLimit) ? nTooltipLeftLimit + "px" : xNodeErr.offsetLeft + "px";
            if (xNodeErr.dataset.error_type === "grammar") {
                // grammar error
                document.getElementById("grammalecte_tooltip_add_word").style.display = "none";
                if (xNodeErr.dataset.gc_message.includes(" ##")) {
                    // display rule id
                    let n = xNodeErr.dataset.gc_message.indexOf(" ##");
                    document.getElementById("grammalecte_tooltip_message").textContent = xNodeErr.dataset.gc_message.slice(0, n);
                    document.getElementById("grammalecte_tooltip_rule_id").textContent = "Règle : " + xNodeErr.dataset.gc_message.slice(n+2);
                    document.getElementById("grammalecte_tooltip_rule_id").style.display = "block";
                } else {
                    document.getElementById("grammalecte_tooltip_message").textContent = xNodeErr.dataset.gc_message;
                    document.getElementById("grammalecte_tooltip_rule_id").style.display = "none";

                    this.xTooltipSuggBlock.textContent = "Aucune.";
                }
            }
            if (xNodeErr.dataset.error_type === "spelling") {
                // spelling mistake
                document.getElementById("grammalecte_tooltip_message").textContent = "Mot inconnu du dictionnaire.";
                document.getElementById("grammalecte_tooltip_ignore").dataset.error_id = xNodeErr.dataset.error_id;
                document.getElementById("grammalecte_tooltip_rule_id").style.display = "none";
                document.getElementById("grammalecte_tooltip_url").dataset.url = "";
                document.getElementById("grammalecte_tooltip_url").style.display = "none";
                if (xNodeErr.dataset.gc_message.includes(" ##")) {
                    // display rule id
                    document.getElementById("grammalecte_tooltip_add_word").style.display = "block";
                } else {
                    document.getElementById("grammalecte_tooltip_add_word").style.display = "none";
                }
                this.clearSuggestionBlock();
                this.xTooltipSuggBlock.textContent = "Recherche de graphies possibles…";
                xGrammalectePort.postMessage({
                    sCommand: "getSpellSuggestions",
                    dParam: {sWord: xNodeErr.textContent},
                    dInfo: {sErrorId: xNodeErr.dataset.error_id}
                });