anchor.diff:  http://www.lowpay.gov.uk/lowpay/the_national_minimum_wage.pdf,,410
   http://www.lowpay.gov.uk/lowpay/tips_consultation.doc,,410
   http://www.lowpay.gov.uk/lowpay/transparency.shtml,https://www.gov.uk/government/publications?keywords=&publication_filter_option=transparency-data&topics%5B%5D=all&departments%5B%5D=low-pay-commission&world_locations%5B%5D=all&direction=after&date=2010-05-01,301
  -http://www.lowpay.gov.uk/lowpay/transparency_agenda_2011-12.xls,,410
  +http://www.lowpay.gov.uk/lowpay/transparency_agenda_2011-12.xls,https://www.gov.uk/government/publications/low-pay-commission-expenditure-april-2012-to-october-2012,301
   http://www.lowpay.gov.uk/lowpay/transparency_agenda_2012-13.xls,https://www.gov.uk/government/publications/low-pay-commission-expenses-november-2012-to-march-2013,301
   http://www.lowpay.gov.uk/lowpay/transparency_agenda_2013-14.xls,https://www.gov.uk/government/publications/low-pay-commission-expenses-from-april-2013,301
   http://www.lowpay.gov.uk/lowpay/useful_links.shtml,,410
   http://www.lowpay.gov.uk/lowpay/useful_links_pfv.html,,410
   http://www.lowpay.gov.uk/lowpay/what_we_do.shtml,https://www.gov.uk/government/organisations/low-pay-commission/about,301
   http://www.lowpay.gov.uk/lowpay/whatwedo_pfv.html,https://www.gov.uk/government/organisations/low-pay-commission/about,301
  +http://www.lowpay.gov.uk/lowpay/writtenevidencereports/written_evidence_from_greentree_enterprises_ltd_-_2013_report.htm,,410
  +http://www.lowpay.gov.uk/lowpay/writtenevidencereports/written_evidence_from_rec_-_2013_report.htm,,410
  
positive.code: http://www.lowpay.gov.uk/lowpay/lowpay2005/chapter2d.shtml,,410
  http://www.lowpay.gov.uk/lowpay/lowpay2005/chapter2e.shtml,,410
  http://www.lowpay.gov.uk/lowpay/lowpay2005/chapter2f.shtml,,410
  http://www.lowpay.gov.uk/lowpay/lowpay2005/commissioners.shtml,,410
  http://www.lowpay.gov.uk/lowpay/lowpay2005/listfigures.shtml,,410
  http://www.lowpay.gov.uk/lowpay/lowpay2005/listtables.shtml,,410
  
negative.code: http://www.lowpay.gov.uk/lowpay/report/rep01_01app.shtml,,410
  http://www.lowpay.gov.uk/lowpay/report/rep01_02.shtml,,410
  http://www.lowpay.gov.uk/lowpay/report/rep01_02app.shtml,,410
  http://www.lowpay.gov.uk/lowpay/report/rep01_02b.shtml,,410
  http://www.lowpay.gov.uk/lowpay/report/rep01_03.shtml,,410
  http://www.lowpay.gov.uk/lowpay/report/rep01_03app.shtml,,410
  http://www.lowpay.gov.uk/lowpay/report/rep01_04.shtml,,410
  