docs: def _repair_refs(x):
      """Performs the repair on the element list 'x'."""
  
      if _PANDOCVERSION is None:
          raise RuntimeError('Module uninitialized.  Please call init().')
  
      # Scan the element list x
      for i in range(len(x)-1):
  
          # Check for broken references
          if _is_broken_ref(x[i]['t'], x[i]['c'] if 'c' in x[i] else [],
                            x[i+1]['t'], x[i+1]['c'] if 'c' in x[i+1] else []):
  
              # Get the reference string
              n = 0 if _PANDOCVERSION < '1.16' else 1
              s = x[i]['c'][n][0]['c'] + x[i+1]['c']
  
              # Chop it into pieces.  Note that the prefix and suffix may be
              # parts of other broken references.
              prefix, label, suffix = _REF.match(s).groups()
  
              # Insert the suffix, label and prefix back into x.  Do it in this
              # order so that the indexing works.
              if suffix:
                  x.insert(i+2, Str(suffix))
              x[i+1] = Cite(
                  [{"citationId":label,
                    "citationPrefix":[],
                    "citationSuffix":[],
                    "citationNoteNum":0,
                    "citationMode":{"t":"AuthorInText", "c":[]},
                    "citationHash":0}],
                  [Str('@' + label)])
              if prefix:
                  if i > 0 and x[i-1]['t'] == 'Str':
                      x[i-1]['c'] = x[i-1]['c'] + prefix
                      del x[i]
                  else:
                      x[i] = Str(prefix)
              else:
                  del x[i]
  
              return None  # Forces processing to repeat
  
      return True