| check_plain | includes/bootstrap.inc | Encode special characters in a plain-text string for display as HTML. |
| format_plural | includes/common.inc | Format a string containing a count of items. |
| l | includes/common.inc | Format an internal Drupal link. |
| t | includes/common.inc | Translate strings to the current locale. |
| theme | includes/theme.inc | Generate the themed representation of a Drupal object. |
| theme_forum_topic_list | modules/forum/forum.module | Format the topic listing. |
| _forum_format | modules/forum/forum.module | Formats a topic for display |
