anchor.diff:  Reserved for Internal Use,1,325,325,Internal GRC Flag,,,,
   Auxiliary Segment Switch,1,326,326,"3, 3C",,"auxseg, segaux, auxiliary_segment_switch",auxseg,"'Y' = return all segment IDs 
   'N' or Blank = regular WA2"
  -Browse Flag,1,327,327,"1*, 2, 3, 3C, BB, BF",,,,"'P' = primary street name / code 
  +Browse Flag,1,327,327,"1*, 2, 3, 3C, BB, BF",,browse_flag,,"'P' = primary street name / code 
   'F' = principal street name / code 
   'R' = DCP preferred street name 
   Blank = input street name / code"
  
positive.code: name,size,from,to,functions,parent,alt_names,formatter,value
  Geosupport Function Code,2,1,2,All,,"func, function, function_code",function,
  House Number - Display Format,16,3,18,"1, 1A, 1B, 1E, AP",,house_number,,
  House Number - Sort Format,11,19,29,"1, 1A, 1B, 1E, AP, D*",,,,
  Low House Number - Display Format,16,30,45,Internal Use,,,,
  Low House Number - Sort Format,11,46,56,"D*, Internal Use",,,,
  "B10SC-1 (includes Borough Code 1, B5SC-1 and B7SC-1):",11,57,67,See next 2 entries,,"borough, borough_1,b5sc,b5sc_1,b7sc,b7sc_1,b10sc,b10sc_1",borough,
  
negative.code: Work Area Format Indicator,1,213,213,All,,work_area_format,,"'C' = COW format 
  Blank = MSW format"
  ZIP Code Input,5,214,218,"1*, AP",,"zip, zip_code",,
  Unit Input,14,219,232,1*,,unit,,
  Filler,82,233,314,,,,,
  Long Work Area 2 Flag,1,315,315,"1A, BL",,long_work_area_2,long_work_area_2,"'L' = Long WA2, 
  Blank = regular WA2"
  