code: function(topSection, subsection) {
  			var data = this.getSection(topSection);
  			while (data) {
  				if (subsection in data)
  					return data[subsection];
  
  				data = this.getSection(data['extends']);
  			}
  		}
docs: Recursively searches for a item inside top level sections (syntaxes)
  with respect of `extends` attribute
  @param {String} topSection Top section name (syntax)
  @param {String} subsection Inner section name
  @returns {Object}