anchor.diff:  http://www.hm-treasury.gov.uk/7103.htm,,410
   http://www.hm-treasury.gov.uk/7112.htm,,410
   http://www.hm-treasury.gov.uk/7980.htm,,410
  +http://www.hm-treasury.gov.uk/8317.htm,https://www.gov.uk/government/announcements?departments%5B%5D=hm-treasury,301
  +http://www.hm-treasury.gov.uk/8486.htm,,410
   http://www.hm-treasury.gov.uk/8510.htm,https://www.gov.uk/government/news/the-scotland-bill,301
   http://www.hm-treasury.gov.uk/8519.htm,https://www.gov.uk/government/news/government-response-to-the-gift-aid-forum,301
  +http://www.hm-treasury.gov.uk/8581.htm,,410
   http://www.hm-treasury.gov.uk/8657.htm,https://www.gov.uk/government/announcements?keywords=&announcement_type_option=statements&topics%5B%5D=all&departments%5B%5D=hm-treasury,301
  +http://www.hm-treasury.gov.uk/8659.htm,,410
   http://www.hm-treasury.gov.uk/8979.htm,https://www.gov.uk/government/announcements?keywords=&announcement_type_option=statements&topics%5B%5D=all&departments%5B%5D=hm-treasury,301
   http://www.hm-treasury.gov.uk/9084.htm,https://www.gov.uk/government/speeches/speech-by-the-financial-secretary-to-the-treasury-mark-hoban-mp-at-the-atlantic-council-washington-dc,301
  +http://www.hm-treasury.gov.uk/9165.htm,,410
   http://www.hm-treasury.gov.uk/9200.htm,https://www.gov.uk/government/news/support-for-credit-unions-and-co-operatives,301
   http://www.hm-treasury.gov.uk/9284.htm,https://www.gov.uk/government/speeches/speech-by-the-chief-secretary-to-the-treasury-rt-hon-danny-alexander-mp-at-the-council-for-industry-and-higher-education,301
   http://www.hm-treasury.gov.uk/9379.htm,https://www.gov.uk/government/publications?departments%5B%5D=hm-treasury&publication_type=foi-releases,301
  +http://www.hm-treasury.gov.uk/9394.htm,,410
   http://www.hm-treasury.gov.uk/9594.htm,https://www.gov.uk/government/announcements?keywords=&announcement_type_option=statements&topics%5B%5D=all&departments%5B%5D=hm-treasury,301
  -http://www.hm-treasury.gov.uk/9802.htm,https://www.gov.uk/government/admin/organisations/hm-treasury/document_series/national-statistics-release,301
  +http://www.hm-treasury.gov.uk/9802.htm,https://www.gov.uk/government/publications?departments%5B%5D=hm-treasury&publication_filter_option=statistics,301
   http://www.hm-treasury.gov.uk/9820.htm,https://www.gov.uk/government/news/pensioner-tax-review-leads-to-hmrc-changes-for-the-better,301
   http://www.hm-treasury.gov.uk/9865.htm,https://www.gov.uk/government/speeches/response-by-lord-sassoon-to-kuwaiti-finance-minister-dr-nayef-falah-al-hajraf-on-the-sixtieth-anniversary-of-the-kuwait-investment-office,301
   http://www.hm-treasury.gov.uk/9887.htm,https://www.gov.uk/government/publications/government-financial-reporting-manual-2013-14-including-annexes,418
  
positive.code: http://www.hm-treasury.gov.uk/natstats_comp.htm,https://www.gov.uk/government/publications/national-statistics-code-of-practice-and-protocols-compliance-statement,418
  http://www.hm-treasury.gov.uk/natstats_prog.htm,https://www.gov.uk/government/publications/national-statistics-publications-provisional-timetable-to-september-2013,418
  http://www.hm-treasury.gov.uk/natstats_standards_policies_statistics.htm,https://www.gov.uk/government/publications/standards-and-policies-for-our-statistics,418
  http://www.hm-treasury.gov.uk/oil_gas_industry.htm,https://www.gov.uk/government/news/oil-and-gas-industry,301
  http://www.hm-treasury.gov.uk/orange_book.htm,https://www.gov.uk/government/publications/orange-book,418
  http://www.hm-treasury.gov.uk/ots_press_010812.htm,https://www.gov.uk/government/news/complexities-of-unapproved-share-schemes-identified,301
  http://www.hm-treasury.gov.uk/ots_press_03032011.htm,https://www.gov.uk/government/news/recommendations-to-simplify-uks-spaghetti-bowl-of-tax-reliefs-put-to-chancellor,301
  http://www.hm-treasury.gov.uk/ots_press_08112010.htm,https://www.gov.uk/government/news/uks-tax-system-has-over-1000-reliefs,301
  
negative.code: http://www.hm-treasury.gov.uk/statements_2013index.htm,https://www.gov.uk/government/announcements,301
  http://www.hm-treasury.gov.uk/statements_fst_2013index.htm,https://www.gov.uk/government/announcements,301
  http://www.hm-treasury.gov.uk/statements_index.htm,https://www.gov.uk/government/announcements,301
  http://www.hm-treasury.gov.uk/tax_avoidance_gaar.htm,https://www.gov.uk/government/policies/reducing-tax-evasion-and-avoidance,301
  http://www.hm-treasury.gov.uk/tax_avoidance_index.htm,https://www.gov.uk/government/policies/reducing-tax-evasion-and-avoidance,301
  http://www.hm-treasury.gov.uk/tax_environ_index.htm,https://www.gov.uk/government/topics/environment,301
  http://www.hm-treasury.gov.uk/tax_foreign_branches.htm,,410
  http://www.hm-treasury.gov.uk/tax_forum_minutes220910.htm,,410
  http://www.hm-treasury.gov.uk/tax_forum_minutes300311.htm,,410
  http://www.hm-treasury.gov.uk/tax_forums.htm,,410
  http://www.hm-treasury.gov.uk/tax_forums_business_tax_competitiveness.htm,https://www.gov.uk/government/topics/tax-and-revenue,301
  http://www.hm-treasury.gov.uk/tax_forums_tax_professionals.htm,https://www.gov.uk/government/topics/tax-and-revenue,301
  http://www.hm-treasury.gov.uk/tax_income_nics.htm,,410
  http://www.hm-treasury.gov.uk/tax_index.htm,,410
  http://www.hm-treasury.gov.uk/tax_indirect.htm,,410
  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,301
  http://www.hm-treasury.gov.uk/tax_pay_index.htm,https://www.gov.uk/government/publications/civil-service-pay-guidance-2013-to-2014,301
  http://www.hm-treasury.gov.uk/tax_pensions_affect_changes.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_agreed_changes.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_changes.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_changes_for_me.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_contact_us.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_frequently_asked_questions.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_glossary.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_guidance.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_guidance_index.htm,,410
  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_pensions_increases_archive.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_index.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_links.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_no_changes.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_ocop1999index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2000index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2001index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2002index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2003index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2004index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2005index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2006index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2007index.htm,,410
  http://www.hm-treasury.gov.uk/tax_pensions_ocop2008index.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_police_cost_ceiling.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_preston.htm,https://www.gov.uk/government/organisations/hm-treasury/series/preston-guidance,301
  http://www.hm-treasury.gov.uk/tax_pensions_reform_video.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_resources.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_timetable.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_pensions_why_changes.htm,https://www.gov.uk/government/policies/making-the-state-pension-simpler-and-fairer,301
  http://www.hm-treasury.gov.uk/tax_policy_making.htm,,410
  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
  