docs: function resolveResource(ref, baseURI){
      // ref ~ "#123"
      if (/^#\d+$/.test(ref))
        return templateList[ref.substr(1)];
  
      // ref ~ "id:foo"
      if (/^id:/.test(ref))
        return resolveSourceByDocumentId(ref.substr(3));
  
      // ref ~ "foo.bar.baz"
      if (/^[a-z0-9\.]+$/i.test(ref) && !/\.tmpl$/.test(ref))
        return getSourceByPath(ref);
  
      // ref ~ "./path/to/file.tmpl"
      return basis.resource(basis.resource.resolveURI(ref, baseURI, '<b:include src=\"{url}\"/>'));
    }