code: function applyIndent( indent, content ) {
  			if ( ! indent || indent.length < 1 ) {
  				return content;
  			}
  
  			return content
  				.split( "\n" )
  				.map( function( line ) {
  					// do not indent empty lines
  					return line.trim() !== "" ? ( indent + line ) : "";
  				} )
  				.join( "\n" );
  		}
docs: Helper method to apply indent