Method append

src/main/java/groovy/util/Node.java:164–167

Appends a child to the current node. @param child the child to append @return true

(Node child)

     * @return <code>true</code>
     */
    public boolean append(Node child) {
        child.setParent(this);
        return getParentList(this).add(child);
    }

    /**
     * Removes a child of the current node.