anchor.diff:  http://www.hm-treasury.gov.uk/leg_sovereign_grant_faq.htm,,410
   http://www.hm-treasury.gov.uk/leg_sovereign_grant_main_provisions.htm,,410
   http://www.hm-treasury.gov.uk/leg_sovereign_grant_mou_faq.htm,,410
  -http://www.hm-treasury.gov.uk/libor_pre_tender_questionnaire.htm,,410
  +http://www.hm-treasury.gov.uk/libor_pre_tender_questionnaire.htm,https://www.gov.uk/government/publications/the-hogg-tendering-advisory-committee-for-libor-pre-tender-questionnaire,301
   http://www.hm-treasury.gov.uk/libor_tender.htm,https://www.gov.uk/government/policy-advisory-groups/hogg-tendering-committee-for-libor,301
  -http://www.hm-treasury.gov.uk/libor_tender_tor.htm,,410
  +http://www.hm-treasury.gov.uk/libor_tender_tor.htm,https://www.gov.uk/government/policy-advisory-groups/hogg-tendering-committee-for-libor,301
   http://www.hm-treasury.gov.uk/managing_risk_delivery_partners.htm,https://www.gov.uk/government/publications/managing-risk-with-delivery-partners,418
   http://www.hm-treasury.gov.uk/managing_risks_public.htm,https://www.gov.uk/government/publications/managing-risks-to-the-public,418
   http://www.hm-treasury.gov.uk/minister_hospitality.htm,https://www.gov.uk/government/organisations/hm-treasury/series/hmt-ministers-meetings-hospitality-gifts-and-overseas-travel,301
   http://www.hm-treasury.gov.uk/minprofile_index.htm,https://www.gov.uk/government/organisations/hm-treasury,301
   http://www.hm-treasury.gov.uk/mpcmember2012.htm,,410
  -http://www.hm-treasury.gov.uk/national_statistics.htm,https://www.gov.uk/government/organisations/hm-treasury/document_series/public-expenditure-statistical-analyses-pesa,301
  +http://www.hm-treasury.gov.uk/national_statistics.htm,https://www.gov.uk/government/publications/standards-and-policies-for-hm-treasury-statistics,301
   http://www.hm-treasury.gov.uk/natstat_comp_pesalist.htm,https://www.gov.uk/government/publications/standards-and-policies-for-hm-treasury-statistics,301
   http://www.hm-treasury.gov.uk/natstat_comp_psflist.htm,https://www.gov.uk/government/publications/standards-and-policies-for-hm-treasury-statistics,301
   http://www.hm-treasury.gov.uk/natstats_arrangements_budget09.htm,,410
  
positive.code: http://www.hm-treasury.gov.uk/green_book_guidance_asset_valuation.htm,https://www.gov.uk/government/publications/asset-valuation-valuation-of-public-sector-assets,418
  http://www.hm-treasury.gov.uk/green_book_guidance_competition.htm,https://www.gov.uk/government/publications/competition,418
  http://www.hm-treasury.gov.uk/green_book_guidance_crime.htm,https://www.gov.uk/government/publications/crime,418
  http://www.hm-treasury.gov.uk/green_book_guidance_discounting.htm,https://www.gov.uk/government/publications/the-green-book--2,301
  http://www.hm-treasury.gov.uk/green_book_guidance_environment.htm,https://www.gov.uk/government/publications/environment,418
  http://www.hm-treasury.gov.uk/green_book_guidance_health.htm,https://www.gov.uk/government/publications/health,418
  http://www.hm-treasury.gov.uk/green_book_guidance_mcda.htm,https://www.gov.uk/government/publications/multi-criteria-decision-analysis,418
  
negative.code: http://www.hm-treasury.gov.uk/tax_pay_appointees_review.htm,https://www.gov.uk/government/publications/review-of-the-tax-arrangements-of-public-sector-appointees,418
  http://www.hm-treasury.gov.uk/tax_pensions_increases.htm,https://www.gov.uk/government/publications/pensions-increase,418
  http://www.hm-treasury.gov.uk/tax_policy_making_new_approach.htm,https://www.gov.uk/government/publications/the-new-approach-to-tax-policy-making,418
  http://www.hm-treasury.gov.uk/tax_updates.htm,https://www.gov.uk/government/publications,301
  http://www.hm-treasury.gov.uk/terms_and_conditions.htm,,410
  http://www.hm-treasury.gov.uk/terms_copyright.htm,,410
  http://www.hm-treasury.gov.uk/terms_copyright_faqs.htm,,410
  