function extractTitleWords(title) {
        var match = /ng([A-Z]\w*)/.exec(title);
        if (match) {
          title = title + ' ' + match[1].toLowerCase();
        }
        return title;
      }
@dgProcessor generateKeywordsProcessor
@description
This processor extracts all the keywords from each document and creates
a new document that will be rendered as a JavaScript file containing all
this data.