Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.

AJAXCommandsTestCase::testAJAXCommands in modules/simpletest/tests/ajax.test
Test the various Ajax Commands.
ajax_command_html in includes/ajax.inc
Creates a Drupal Ajax 'insert/html' command.
BootstrapMiscTestCase::testMisc in modules/simpletest/tests/bootstrap.test
Test miscellaneous functions in bootstrap.inc.
comment_links in modules/comment/comment.module
Helper function, build links for an individual comment.
comment_node_view in modules/comment/comment.module
Implements hook_node_view().
DrupalHtmlToTextTestCase::testDrupalHtmlToTextArgs in modules/simpletest/tests/mail.test
Test $allowed_tags argument of drupal_html_to_text().
DrupalWebTestCase::drupalGetTestFiles in modules/simpletest/drupal_web_test_case.php
Get a list files that can be used in tests.
DrupalWebTestCase::drupalPostAJAX in modules/simpletest/drupal_web_test_case.php
Execute an Ajax submission.
drupal_common_theme in includes/common.inc
Provides theme registration for themes across .inc files.
forum_menu_local_tasks_alter in modules/forum/forum.module
Implements hook_menu_local_tasks_alter().
ImageFieldDisplayTestCase::_testImageFieldFormatters in modules/image/image.test
Test image formatters on node display.
l in includes/common.inc
Formats an internal or external URL link as an HTML anchor tag.
system_element_info in modules/system/system.module
Implements hook_element_info().
template_preprocess_html in includes/theme.inc
Preprocess variables for html.tpl.php
template_preprocess_user_picture in modules/user/user.module
Process variables for user-picture.tpl.php.
theme_dblog_message in modules/dblog/dblog.admin.inc
Returns HTML for a log message.
theme_image_formatter in modules/image/image.field.inc
Returns HTML for an image field formatter.
toolbar_menu_navigation_links in modules/toolbar/toolbar.module
Generates a links array from a menu tree array.
toolbar_view in modules/toolbar/toolbar.module
Builds the admin menu as a structured array ready for drupal_render().
UserPictureTestCase::testNoPicture in modules/user/user.test