Issue #1802844 by antojose: Fixed 'have to' repeated twice as 'have to have to' in the comment for the function hook_module_implements_alter() in system.api.php.

Issue #1154382 by Berdir, barraponto, acouch, swentel, LoMo, DamienMcKenna, chx: Fixed View mode no longer can be changed.

Issue #1513580 by matt2000: Update hook_init and hook_boot docs to say whether themes are loaded when they run

Issue #720630 by tim.plunkett, kid_icarus, tsphethean: Fix up docs for watchdog, hook_watchdog, and watchdog constants

Issue #1409052 by mkadin: Fixed hook_menu() should state that auto-loaders should return FALSE to indicate nothing found and trigger a 404.

Issue #800434 by pillarsdotnet, plach, bart.hanssens: Added drupal_mail(), allow hook_mail_alter() implementation to cancel mail.

Issue #1347812 by nanotube, xjm: Fixed Remove/replace documentation references to upload_file_load() and upload_file_delete().

- Patch #1229868 by nicl, DjebbZ: hook_form_BASE_FORM_ID_alter(), hook_form_alter(), and hook_form_FORM_ID_alter() doc inconsistent.

- Patch #1087940 by drewish, rocket_nova: document that wildcard % doesn't work as first argument in menu paths.

- Patch #765860 by effulgentsia, dww, dereine, mikey_p, xjm, sun, sven.lauer: drupal_alter() fails to order modules correctly in some cases.

Issue #1339292 by xjm: Fixed hook_requirements() documentation references incorrect path for cron in system.api.php.

Issue #1312844 by sven.lauer: Fixed hook_schema() doc should state that database tables are auto-created.

Issue #1312178 by rocket_nova, jhodgdon, unabacus: Fixed Documentation problem with 'hook_theme_registry_alter()' example code.

Issue #1307062 by sven.lauer, jhodgdon: Fixed install file hooks should state whether module code is available.

- Patch #1309298 by sven.lauer: document that hook_(en|dis)able implementations should live in .install files.

Issue #1247626 by sven.lauer: Fixed hook_install()/hook_uninstall() doc does not specify that the implementations must live in the .install file.

Issue #1226796 by sun, catch, Damien Tournoud: Fixed Not equal operator '!=' is not supported by all databases, must be '<>'.

- Patch #1257638 by michaellenahan, Bès: hook_menu() example should be changed to not suggest admin/config/foo as path.