code: def allowed_entries(self, capability):
          
          index = re.match(r'(.+)index$', capability)
          archive = re.match(r'(.+)\-archive$', capability)
          if (capability == 'capabilitylistindex'):
              return([])  # not allowed so no valid references
          elif (index):
              return([index.group(1)])  # name without index ending
          elif (archive):
              return([archive.group(1)])  # name without -archive ending
          elif (capability == 'description'):
              return(['capabilitylist'])
          elif (capability == 'capabilitylist'):
              return(['resourcelist', 'resourcedump',
                      'changelist', 'changedump',
                      'resourcelist-archive', 'resourcedump-archive',
                      'changelist-archive', 'changedump-archive'])
          return([])
docs: Return list of allowed entries for given capability document.
  
          Includes handling of capability = *index where the only acceptable
          entries are *.