old_contents: import { XMLSchema } from 'substance'
  import DarArticleData from '../../tmp/DarArticle.data'
  
  const DarArticle = XMLSchema.fromJSON(DarArticleData)
  
  
  // TODO: this should come from compilation
  DarArticle.getName = function() {
    return 'DarArticle'
  }
  
  DarArticle.getVersion = function() {
    return '0.1.0'
  }
  
  DarArticle.getDocTypeParams = function() {
    return ['article', 'DarArticle 0.1.0', 'http://darformat.org/DarArticle-0.1.0.dtd']
  }
  
  export default DarArticle
  
new_contents: import { XMLSchema } from 'substance'
  import DarArticleData from '../../tmp/DarArticle.data'
  
  const DarArticle = XMLSchema.fromJSON(DarArticleData)
  
  
  // TODO: this should come from compilation
  DarArticle.getName = function() {
    return 'dar-article'
  }
  
  DarArticle.getVersion = function() {
    return '0.1.0'
  }
  
  DarArticle.getDocTypeParams = function() {
    return ['article', 'DarArticle 0.1.0', 'http://darformat.org/DarArticle-0.1.0.dtd']
  }
  
  export default DarArticle
  
subject: Use correct internal name for DarArticle.