code: function createHeaderTags (tags) {
    return dom.create('span')
      .class('qm-api-header-tags')
      .add(tags.map(name => {
        return dom.create('span')
          .class('qm-api-tag qm-api-tag-' + name)
          .text(name)
      }))
  }
docs: /* Creates a set of tag elements for displaying changes to an entry