Function: Returns a URL to load the Customizer.

Function: Prints a script to check whether or not the Customizer is supported, and apply either the no-customize-support or customize-support class to the body.

Function: Registers theme support for a given feature.

Function: Includes and instantiates the WP_Customize_Manager class.

Function: Registers the internal custom header and background routines.

Function: Adds settings for the customize-loader script.

Function: Gets the theme support arguments passed when registering that support

Function: Allows a theme to de-register its support of a certain feature

Function: Do not use. Removes theme support internally, ignorant of the blacklist.

Function: Display background image path.

Function: Checks a theme’s support for a given feature

Function: Retrieve value for custom background color.

Function: Display background color value.

Function: Checks a theme’s support for a given feature before loading the functions which implement it.

Function: Default custom background callback.

Function: Checks an attachment being deleted to see if it’s a header or background image.

Function: Add callback for custom TinyMCE editor stylesheets.

Function: Checks if a theme has been changed and runs ‘after_switch_theme’ hook on the next WP load.

Function: Removes all visual editor stylesheets.

Function: Get the header images uploaded for the current theme.

Function: Remove theme modification name from current theme list.

Function: Get the header image data.

Function: Remove theme modifications option for current theme.

Function: Register a selection of default headers to be displayed by the custom header admin UI.

Function: Retrieves the custom header text color in 3- or 6-digit hexadecimal form.

Function: Unregister default headers.

Function: Displays the custom header text color in 3- or 6-digit hexadecimal form (minus the hash symbol).

Function: Retrieve background image for custom background.