33     protected $marks = [];  variable in renderer_plugin_prosemirror
63         return $this->marks;
331         foreach (array_keys($this->marks) as $mark) {
648         $this->marks['strong'] = 1;
654         if (isset($this->marks['strong'])) {
655             unset($this->marks['strong']);
662         $this->marks['em'] = 1;
668         if (isset($this->marks['em'])) {
669             unset($this->marks['em']);
676         $this->marks['subscript'] = 1;
682         if (isset($this->marks['subscript'])) {
683             unset($this->marks['subscript']);
690         $this->marks['superscript'] = 1;
696         if (isset($this->marks['superscript'])) {
697             unset($this->marks['superscript']);
704         $this->marks['code'] = 1;
710         if (isset($this->marks['code'])) {
711             unset($this->marks['code']);
718         $this->marks['deleted'] = 1;
724         if (isset($this->marks['deleted'])) {
725             unset($this->marks['deleted']);
732         $this->marks['underline'] = 1;
738         if (isset($this->marks['underline'])) {
739             unset($this->marks['underline']);
747         $this->marks['unformatted'] = 1;
749         unset($this->marks['unformatted']);