code: def parse_deprecated_tags(self, name, attributes):
          '''Checks to see if the PDB file has been deprecated and, if so, what the new ID is.'''
          if name == 'PDBx:pdbx_database_PDB_obs_spr':
              self.counters['PDBx:pdbx_database_PDB_obs_spr'] = self.counters.get('PDBx:pdbx_database_PDB_obs_spr', 0) + 1
              old_pdb_id = attributes.get('replace_pdb_id').upper()
              new_pdb_id = attributes.get('pdb_id').upper()
              assert(old_pdb_id and new_pdb_id)
  
              if self.pdb_id == old_pdb_id:
                  self.deprecated = True
                  self.replacement_pdb_id = new_pdb_id
              else:
                  assert(self.pdb_id == new_pdb_idf parse_deprecated_tags(self, name, attributes):
          '''Checks to see if the PDB file has been deprecated and, if so, what the new ID is.'''
          if name == 'PDBx:pdbx_database_PDB_obs_spr':
              self.counters['PDBx:pdbx_database_PDB_obs_spr'] = self.counters.get('PDBx:pdbx_database_PDB_obs_spr', 0) + 1
              old_pdb_id = attributes.get('replace_pdb_id').upper()
              new_pdb_id = attributes.get('pdb_id').upper()
              assert(old_pdb_id and new_pdb_id)
  
              if self.pdb_id == old_pdb_id:
                  self.deprecated = True
                  self.replacement_pdb_id = new_pdb_id
              else:
                  assert(self.pdb_id == new_pdb_id)
docs: Checks to see if the PDB file has been deprecated and, if so, what the new ID is.