4 string references to 'system_list'

module_list in includes/module.inc: Returns a list of currently active modules.
system_list_reset in includes/module.inc: Resets all system_list() caches.
system_update_7062 in modules/system/system.install: Replace 'system_list' index with 'bootstrap' index on {system}.
update_fix_d7_requirements in includes/update.inc: Perform Drupal 6.x to 7.x updates that are required for update.php to function properly.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.