anchor.diff:  .Synopsis:
   [source, sql]
   --------------------------------------------------
  -ST_GeometryType(geometry<1>)
  +ST_GeometryType(
  +    geometry <1>
  +)
   --------------------------------------------------
   
   *Input*:
  
positive.code: .Synopsis:
  [source, sql]
  --------------------------------------------------
  ST_X(geometry<1>)
  --------------------------------------------------
  
  *Input*:
  
negative.code: .Synopsis:
  [source, sql]
  --------------------------------------------------
  ST_WKTToSQL(
      string <1>
  )
  --------------------------------------------------
  
  *Input*:
  