Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

book_form_alter in modules/book/book.module
Implementation of hook_form_alter(). Adds the book fieldset to the node form.
color_form_alter in modules/color/color.module
Implementation of hook_form_alter().
comment_form_alter in modules/comment/comment.module
Implementation of hook_form_alter().
default_form_alter in profiles/default/default.profile
Implementation of hook_form_alter().
example_form_alter in developer/example.profile
Implementation of hook_form_alter().
forum_form_alter in modules/forum/forum.module
Implementation of hook_form_alter().
locale_form_alter in modules/locale/locale.module
Implementation of hook_form_alter(). Adds language fields to forms.
menu_form_alter in modules/menu/menu.module
Implementation of hook_form_alter(). Adds menu item fields to the node form.
node_form_alter in modules/node/node.module
Implementation of hook_form_alter().
openid_form_alter in modules/openid/openid.module
Implementation of hook_form_alter : adds OpenID login to the login forms.
path_form_alter in modules/path/path.module
Implementation of hook_form_alter().
taxonomy_form_alter in modules/taxonomy/taxonomy.module
Implementation of hook_form_alter(). Generate a form for selecting terms to associate with a node. We check for taxonomy_override_selector before loading the full vocabulary, so contrib modules can intercept before hook_form_alter and provide scalable…
translation_form_alter in modules/translation/translation.module
Implementation of hook_form_alter().
update_form_alter in modules/update/update.module
Implementation of hook_form_alter().
upload_form_alter in modules/upload/upload.module