#80574 Eaton and chx. Replace $_POST['edit'] with $_POST.

includes/form.inc

install.php

modules/comment/comment.module

modules/forum/forum.module

modules/menu/menu.module

modules/node/node.module

modules/poll/poll.module

modules/search/search.module

modules/system/system.module

modules/taxonomy/taxonomy.module

modules/upload/upload.module

modules/user/user.module

update.php