Start preview theme output buffer.

Callback function for ob_start() to capture all links in the theme.

Manipulates preview theme links in order to control and maintain location.

Get the size of a directory recursively.

Displays Site Icon in RSS2.

Displays the Site Icon URL.

Adds the “Customize” link to the Toolbar.

Ajax handler for cropping an image.

Ajax handler for saving posts from the fullscreen editor.

Retrieve a list of protocols to allow in HTML attributes.