docs: def add_acl(self, scope, user, permission):
          """Add an `ACL <https://www.dokuwiki.org/acl>`_ rule that restricts
          the page/namespace *scope* to *user* (use *@group* syntax for groups)
          with *permission* level. It returns a boolean that indicate if the rule
          was correctly added.
          """
          return self.send('plugin.acl.addAcl', scope, user, permission)