anchor.diff:  
   You can use this to find the structure of the taxonomy by following the `child_taxons` links.
   
  +To manipulate and browse taxonomies in ruby code, use the [govuk_taxonomy_helpers](http://www.rubydoc.info/gems/govuk_taxonomy_helpers) gem.
  +
   ## 4. Accessing tagged content
   
   All content tagged to a particular taxon you fetch from the search API ([rummager][rummager]).
  
positive.code: 
  [https://www.gov.uk/api/search.json?filter_taxons[]=c58fdadd-7743-46d6-9629-90bb3ccc4ef0](https://www.gov.uk/api/search.json?filter_taxons[]=c58fdadd-7743-46d6-9629-90bb3ccc4ef0)
  
  You can also access all content tagged to the taxon and its children. The following will give you everything tagged to "Education" and all child-taxons of education:
  
  [https://www.gov.uk/api/search.json?filter_part_of_taxonomy_tree[]=c58fdadd-7743-46d6-9629-90bb3ccc4ef0](https://www.gov.uk/api/search.json?filter_part_of_taxonomy_tree[]=c58fdadd-7743-46d6-9629-90bb3ccc4ef0)
  
  [education-taxon]: https://www.gov.uk/api/content/education
  [example-guidance]: https://www-origin.integration.publishing.service.gov.uk/api/content/government/publications/managing-staff-employment-in-schools
  
negative.code: # Taxonomy
  
  GOV.UK's "single subject taxonomy" will describe all content on GOV.UK. It is being developed theme-by-theme, starting with education.
  
  ## 1. Editing taxonomy
  
  