Data type values / members (presented in natural order): 
  
In addition to the status and date information for each entry, a colour coding
scheme highlights the database holding to which an entry belongs. The following
highlight colours are used:
    - 
        white
        - The entry is in the standard.
    
 - 
        yellow
        - The entry has been added to the register.
    
 - 
        pink
        - The entry has been submitted for inclusion in the register, but it is not approved.