the_attachment_links()
Function: This was once used to display attachment links. Now it is deprecated and stubbed.
Source: wp-admin/includes/deprecated.php:1225
screen_icon()
Function: Displays a screen icon.
Source: wp-admin/includes/deprecated.php:1235
get_screen_icon()
Function: Retrieves the screen icon (no longer used in 3.8+).
Source: wp-admin/includes/deprecated.php:1248
wp_dashboard_incoming_links_output()
Function: Deprecated dashboard widget controls.
Source: wp-admin/includes/deprecated.php:1259
current_theme_info()
Function: Retrieves information on the current active theme.
Source: wp-admin/includes/deprecated.php:1061
_insert_into_post_button()
Function: This was once used to display an ‘Insert into Post’ button.
Source: wp-admin/includes/deprecated.php:1074
_media_button()
Function: This was once used to display a media button.
Source: wp-admin/includes/deprecated.php:1085
get_post_to_edit()
Function: Gets an existing post and format it for editing.
Source: wp-admin/includes/deprecated.php:1099
get_default_page_to_edit()
Function: Gets the default page information to use.
Source: wp-admin/includes/deprecated.php:1114
wp_create_thumbnail()
Function: This was once used to create a thumbnail from an Image given a maximum side size.
Source: wp-admin/includes/deprecated.php:1134