code: def jira_bracket_role(name, rawtext, text, lineno, inliner,
                        options=None, content=None,
                        open_symbol='[', close_symbol=']'):
      
      node_list, _ = jira_role(name, rawtext, text, lineno, inliner,
                               options=options, content=None, oxford_comma=False)
      node_list = nodes.raw(text=open_symbol, format='html') \
          + node_list + nodes.raw(text=close_symbol, format='html')
      return node_list, []
docs: Sphinx role for referencing a JIRA ticket with ticket numbers
      enclosed in braces. Useful for changelogs.
  
      Examples::
  
          :jirab:`DM-6181` -> [DM-6181]
          :jirab:`DM-6181,DM-6181` -> [DM-6180, DM-6181]
          :jirab:`DM-6181,DM-6181,DM-6182` -> [DM-6180, DM-6181, DM-6182]