Video – Highlight Code With GeSHi Filter In Drupal 7By Ivan Zugec / Drupal / June 20, 2012 November 6, 2018 / 2 Comments Need to highlight code within a Drupal site? Check out this video on setting up the GeSHi Filter in Drupal 7. For an in-depth article go to Highlight Code With GeSHi Filter. About Ivan Zugec Ivan is the founder of Web Wash and spends most of his time consulting and writing about Drupal. He's been working with Drupal for 10 years and has successfully completed several large Drupal projects in Australia.