- 'Delete objects created more than this many seconds ago, assuming $wgParserCacheExpireTime ' .
- 'has been consistent.',
- false, true );
+ 'Delete objects created more than this many seconds ago, assuming ' .
+ '$wgParserCacheExpireTime has remained consistent.',
+ false,
+ true );
+ $this->addOption( 'msleep', 'Milliseconds to sleep between purge chunks', false, true );