| Name | Description |
|---|---|
| Default theme implementations | Functions and templates that present output to the user, and can be implemented by themes. |
| Name | Location | Description |
|---|---|---|
| check_plain | drupal/includes/bootstrap.inc | Encode special characters in a plain-text string for display as HTML. |
| drupal_attributes | drupal/includes/common.inc | Format an attribute string to insert in a tag. |
| drupal_is_front_page | drupal/includes/path.inc | Check if the current page is the front page. |
| l | drupal/includes/common.inc | Format an internal Drupal link. |