Function: Ajax handler for setting the featured image.

Function: Ajax handler for retrieving HTML for the featured image.

Function: Ajax handler to retrieve a permalink.

Function: Ajax handler to retrieve a sample permalink.

Function: Ajax handler for Quick Edit saving a post from a list table.

Function: Ajax handler for hidden columns.

Function: Ajax handler for updating whether to display the welcome panel.

Function: Ajax handler for retrieving menu meta boxes.

Function: Ajax handler for internal linking.

Function: Ajax handler for menu locations save.