Grammalecte  Check-in [4fad50f750]

        // When a textarea is added via jascript we add the buttons
        let that = this;
        this.xObserver = new MutationObserver(function (lMutations) {
            lMutations.forEach(function (xMutation) {
                if (that.oOptions) {
                    for (let i = 0;  i < xMutation.addedNodes.length;  i++) {
                        let xNode = xMutation.addedNodes[i];
                        if (((xNode.tagName == "TEXTAREA"  &&  that.oOptions.textarea  &&  xNode.getAttribute("spellcheck") !== "false") || (xNode.isContentEditable  &&  that.oOptions.editablenode))
                        if (xNode.tagName == "TEXTAREA"  &&  that.oOptions.textarea  &&  xNode.getAttribute("spellcheck") !== "false" &&  that._isEligibleNode(xNode)) {
                            &&  that._isEligibleNode(xNode)) {
                            oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xNode));
                            oGrammalecte.nButton += 1;
                        }
                        /*else if (xNode.isContentEditable  &&  that.oOptions.editablenode  &&  that._isEligibleNode(xNode)) {
                            // this makes Twitter crash when hitting backspace button
                            oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xNode));
                            oGrammalecte.nButton += 1;
                        }*/
                        else if (xNode.getElementsByTagName  &&  that.oOptions.textarea) {
                            for (let xSubNode of xNode.getElementsByTagName("textarea")) {
                                if (that._isEligibleNode(xSubNode)  &&  xSubNode.getAttribute("spellcheck") !== "false") {
                                    oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xSubNode));
                                    oGrammalecte.nButton += 1;
                                }
                            }
                        }
                        else if (xNode.querySelectorAll  &&  that.oOptions.editablenode) {
                        /*else if (xNode.querySelectorAll  &&  that.oOptions.editablenode) {
                            for (let xSubNode of xNode.querySelectorAll("[contenteditable]")) {
                                if (that._isEligibleNode(xSubNode)) {
                                    oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xSubNode));
                                    oGrammalecte.nButton += 1;
                                }
                            }
                        }
                        }*/
                    }
                }
            });
        });
        this.xObserver.observe(document.body, { childList: true, subtree: true });
    },