Drupal: Remove double angle quotes from breadcrumbs

Built into Drupal core, in /includes/theme.inc the function theme_breadcrumb, automatically inserts &raquo; or » into your breadcrumbs. The function looks like this: function theme_breadcrumb($variables) { $breadcrumb = $variables['breadcrumb']; if (!empty($breadcrumb)) { // Provide a navigational heading to give context for breadcrumb links to // screen-reader users. Make the heading invisible with .element-invisible. $output = '<h2 class="element-invisible">' . t('You are here') . '</h2>'; $output .= '<div class="breadcrumb">' . implode('...