text: 
  # From-district is unknown in first of two o/d entries
  from_missing1of2
  
  # From-district is unknown in second of two o/d entries
  from_missing2of2
  
  
  # To-district is unknown in first of two o/d entries
  to_missing1of2
  
  # To-district is unknown in second of two o/d entries
  to_missing2of2
  
  
  # Both districts are unknown in first of two o/d entries
  both_missing1of2
  
  # Both districts are unknown in second of two o/d entries
  both_missing2of2
  
  
  
  # From-district is unknown in first of two o/d entries; loading errors are ignored
  from_missing1of2_allowed
  
  # From-district is unknown in second of two o/d entries; loading errors are ignored
  from_missing2of2_allowed
  
  
  # To-district is unknown in first of two o/d entries; loading errors are ignored
  to_missing1of2_allowed
  
  # To-district is unknown in second of two o/d entries; loading errors are ignored
  to_missing2of2_allowed
  
  
  
  
  