8 invocations of hook_help()

boot_test_1_boot in drupal/modules/simpletest/tests/boot_test_1.module
Implements hook_boot().
EarlyBootstrapTestCase::testHookBoot in drupal/modules/simpletest/tests/boot.test
Test hook_boot() on both regular and "early exit" pages.
field_help in drupal/modules/field/field.module
Implements hook_help().
help_links_as_list in drupal/modules/help/help.admin.inc
Provides a formatted list of available help topics.
help_menu in drupal/modules/help/help.module
Implements hook_menu().
help_page in drupal/modules/help/help.admin.inc
Menu callback; prints a page listing general help for a module.
menu_get_active_help in drupal/includes/menu.inc
Returns the help associated with the active menu item.
system_modules in drupal/modules/system/system.admin.inc
Menu callback; provides module enable/disable interface.