autoclose example

        // SPECIAL TAG HANDLING:         // Spec says do this, and "don't ask."         // find the spec where this is defined... looks problematic         if ('image' === $name && !($this->insertMode === static::IM_IN_SVG || $this->insertMode === static::IM_IN_MATHML)) {
            $name = 'img';
        }

        // Autoclose p tags where appropriate.         if ($this->insertMode >= static::IM_IN_BODY && Elements::isA($name, Elements::AUTOCLOSE_P)) {
            $this->autoclose('p');
        }

        // Set insert mode:         switch ($name) {
            case 'html':
                $this->insertMode = static::IM_BEFORE_HEAD;
                break;
            case 'head':
                if ($this->insertMode > static::IM_BEFORE_HEAD) {
                    $this->parseError('Unexpected head tag outside of head context.');
                } else {