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

Issue #1552400 by mjonesdinero, SumeetSingh: Fix documentation for user_is_blocked, which was misleading.

Issue #687586 by oriol_e9g, Mike Wacker, agentrickard: Fixed Remove access check from user_register_submit().

Issue #1192178 by pillarsdotnet: Changed The user_module_invoke() function lacks documentation of parameters.

Issue #1164120 by pillarsdotnet: Fixed Add reference to _user_mail_text() in the doxygen for user_mail_tokens() function.

- Patch #61856 by bfroehle, jredding, andypost, blakehall, Pancho: in user.module, trim() user-submitted email address before validation.

Issue #817482 by Stevel, bfroehle: user_save() issues a warning when saving without changing mail attribute.

- Patch #1127312 by niklas: undefined variable items in theme_user_list() when displaying empty user/new block.

- Patch #1031686 by rschwab: User_load() documentation should reference drupal_save_session(), not session_save_session().

#1002708 by sun: Robustify instance settings instantiation to prevent fatal errors in buggy modules.

- Patch #991340 by alexpott: user_validate_current_pass() uses global  and not the user object from the form.