anchor.diff:  http://www.bis.gov.uk/assets/biscore/corporate/docs/migrated-consultations/the%20role%20and%20powers%20of%20the%20consumer%20advocate.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31577/the_20role_20and_20powers_20of_20the_20consumer_20advocate.pdf,301
   http://www.bis.gov.uk/assets/biscore/corporate/docs/n/10-p83-national-student-forum-annual-report-2010,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31987/10-p83-national-student-forum-annual-report-2010.pdf,301
   http://www.bis.gov.uk/assets/biscore/corporate/docs/n/12-1213-no-stone-unturned-in-pursuit-of-growth,https://www.gov.uk/government/publications/no-stone-unturned-in-pursuit-of-growth,301
  -http://www.bis.gov.uk/assets/biscore/corporate/docs/n/12-1214-no-stone-unturned-chambers-of-commerce-international-comparisons,https://www.gov.uk/government/publications/this-document-is-no-longer-here--7,301
  +http://www.bis.gov.uk/assets/biscore/corporate/docs/n/12-1214-no-stone-unturned-chambers-of-commerce-international-comparisons,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/34649/12-1214-no-stone-unturned-chambers-of-commerce-international-comparisons.pdf,301
   http://www.bis.gov.uk/assets/biscore/corporate/docs/p/10-1296-path-to-strong-sustainable-and-balanced-growth,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31988/10-1296-path-to-strong-sustainable-and-balanced-growth.pdf,301
   http://www.bis.gov.uk/assets/biscore/corporate/docs/p/11-1291-procurement-bis-terms-and-conditions-for-services,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31989/11-1291-procurement-bis-terms-and-conditions-for-services.DOC,301
   http://www.bis.gov.uk/assets/biscore/corporate/docs/r/10-1241-annual-report-bureaucracy-reduction-group-2009-2010,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31990/10-1241-annual-report-bureaucracy-reduction-group-2009-2010.doc,301
  
positive.code: http://www.bis.gov.uk/assets/biscore/statistics/docs/p/12-921-private-sector-employment-indicator-user-guide,https://www.gov.uk/government/publications/private-sector-employment-indicator-user-guide-and-technical-annex,301
  http://www.bis.gov.uk/assets/biscore/statistics/docs/p/12-p152a-private-sector-employment-indicator-release-quarter-1,https://www.gov.uk/government/publications/private-sector-employment-indicator-quarter-1-february-april-2012-statistical-release,301
  http://www.bis.gov.uk/assets/biscore/statistics/docs/p/12-p152b-private-sector-employment-indicator-release-quarter-2-2012,https://www.gov.uk/government/publications/private-sector-employment-indicator-quarter-2-may-july-2012-statistical-release,301
  http://www.bis.gov.uk/assets/biscore/statistics/docs/p/12-p153a-private-sector-employment-indicator-tables-quarter-1,https://www.gov.uk/government/publications/this-document-is-no-longer-here--47,301
  http://www.bis.gov.uk/assets/biscore/statistics/docs/p/12-p153b-private-sector-employment-indicator-tables-quarter-2-2012,https://www.gov.uk/government/publications/this-document-is-no-longer-here--4,301
  http://www.bis.gov.uk/assets/biscore/statistics/docs/r/12-1166-methodology-revisions,https://www.gov.uk/government/publications/regional-economic-performance-indicators-methodology-and-revisions-policy,301
  http://www.bis.gov.uk/assets/biscore/statistics/docs/r/12-162an-annex-data-tables,https://www.gov.uk/government/publications/regional-economic-performance-indicators-commentary-annex-data-tables,301
  http://www.bis.gov.uk/assets/biscore/statistics/docs/r/12-259-regional-economic-performance-indicators-2012-tables,https://www.gov.uk/government/publications/regional-economic-performance-indicators-september-2012,301
  
negative.code: http://www.bis.gov.uk/assets/biscore/business-law/docs/c/11-812-companies-act-annual-returns-regulations-draft,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31647/11-812-companies-act-annual-returns-regulations-draft.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/c/11-818-companies-disclosure-auditor-agreements-regulations-draft,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31648/11-818-companies-disclosure-auditor-agreements-regulations-draft.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/c/12-1025-companies-act-amendment-part-25-regulations-draft,https://www.gov.uk/government/publications/draft-statutory-instrument-the-companies-act-2006-amendment-of-part-25-regulations-2012,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/c/12-1248-companies-act-2006-amendment-part-18-regulations-draft,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/34676/12-1248-companies-act-2006-amendment-part-18-regulations-draft.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/c/12-1248-companies-act-2006-amendment-part-18-regulations-draft.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/32719/12-1248-companies-act-2006-amendment-part-18-regulations-draft.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/c/12-560-company-law-flexible-framework-discussion-paper,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31649/12-560-company-law-flexible-framework-discussion-paper.pdf,301
  http://www.bis.gov.uk/assets/biscore/business-law/docs/competition-matters/10-1011-groceries-supply-code-practice-government-response,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/31650/10-1011-groceries-supply-code-practice-government-response.pdf,301
  