code: function done( data ) {
  			var err;
  			if ( data.errors ) {
  				err = new Error( data.errors[ 0 ] );
  				return clbk( err );
  			}
  			clbk( null, data.svg );
  		}
docs: FUNCTION: done( data )
  Callback invoked upon converting a string to SVG.
  
  @private
  @param {Object} data - output
  @returns {Void}