anchor.diff:  http://www.hm-treasury.gov.uk/d/perm_secs_meetings_external_orgs_oct_to_dec_2010.xlsx,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/184433/perm_secs_meetings_external_orgs_oct_to_dec_2010.xlsx.xlsx,301
   http://www.hm-treasury.gov.uk/d/personal_service_companies_and_ir35.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/179214/personal_service_companies_and_IR35.pdf.pdf,301
   http://www.hm-treasury.gov.uk/d/pes2010_budgeting_interactive_table.xls,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/179468/pes2010_budgeting_interactive_table.xls.xls,301
  +http://www.hm-treasury.gov.uk/d/pesa09_chapter8.pdf,,410
   http://www.hm-treasury.gov.uk/d/pesa2010_chapter1.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/179462/pesa2010_chapter1.pdf.pdf,301
   http://www.hm-treasury.gov.uk/d/pesa2010_chapter10.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/179481/pesa2010_chapter10.pdf.pdf,301
   http://www.hm-treasury.gov.uk/d/pesa2010_chapter10_interactive_tables.xls,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/179485/pesa2010_chapter10_interactive_tables.xls.xls,301
  
positive.code: http://www.hm-treasury.gov.uk/d/board_expenses_julysept2011.csv,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/184370/board_expenses_julysept2011.csv,301
  http://www.hm-treasury.gov.uk/d/board_expenses_octdec_2010.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/184381/board_expenses_octdec_2010.pdf.pdf,301
  http://www.hm-treasury.gov.uk/d/board_expenses_octdec_2011.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/184368/board_expenses_octdec_2011.pdf.pdf,301
  http://www.hm-treasury.gov.uk/d/boe_burma_020507.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/202176/boe_burma_020507.pdf.pdf,301
  http://www.hm-treasury.gov.uk/d/boe_burma_020606.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/202177/boe_burma_020606.pdf.pdf,301
  http://www.hm-treasury.gov.uk/d/boe_burma_030505.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/202178/boe_burma_030505.pdf.pdf,301
  
negative.code: http://www.hm-treasury.gov.uk/senior_officials_expenses.htm,https://www.gov.uk/government/organisations/hm-treasury/series/senior-officials-expenses,301
  http://www.hm-treasury.gov.uk/sitemap.htm,https://www.gov.uk/government/organisations/hm-treasury,301
  http://www.hm-treasury.gov.uk/speec_fst_170311.htm,https://www.gov.uk/government/speeches/speech-by-the-economic-secretary-to-the-treasury-justine-greening-mp-at-the-cipfa-hm-treasury-world-class-performance-symposium-2011,301
  http://www.hm-treasury.gov.uk/speech_chex_2009_index.htm,,410
  http://www.hm-treasury.gov.uk/speech_chex_2010_index.htm,https://www.gov.uk/government/announcements,301
  http://www.hm-treasury.gov.uk/speech_chex_2011_index.htm,https://www.gov.uk/government/announcements,301
  http://www.hm-treasury.gov.uk/speech_chx_020413.htm,https://www.gov.uk/government/speeches/chancellor-speech-on-changes-to-the-tax-and-benefit-system,301
  