8 invocations of hook_help() in Drupal 7

boot_test_1_boot in modules/simpletest/tests/boot_test_1.module

Implements hook_boot().

EarlyBootstrapTestCase::testHookBoot in modules/simpletest/tests/boot.test

Test hook_boot() on both regular and "early exit" pages.

field_help in modules/field/field.module

Implements hook_help().

help_links_as_list in modules/help/help.admin.inc

Provides a formatted list of available help topics.

help_menu in modules/help/help.module

Implements hook_menu().

help_page in modules/help/help.admin.inc

Menu callback; prints a page listing general help for a module.

menu_get_active_help in includes/menu.inc

Returns the help associated with the active menu item.

system_modules in modules/system/system.admin.inc

Menu callback; provides module enable/disable interface.