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

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

Function: Formats text for the rich text editor.

Function: Formats text for the HTML editor.

Function: Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.

Function: Determines if the URL can be accessed over SSL.

Function: Start preview theme output buffer.

Function: Private function to modify the current template when previewing a theme

Function: Check if the installed version of GD supports particular image type