Include ADDITIONAL_ITEM 'SELFPURGING' to cover instances of 'purging' where the user has selected 'NO' - i.e. the customer will carry out any required purging. Used to simplify CAVEAT text selection.
git-svn-id: http://locode01.ad.dom/svn/WEBMIP/trunk@13258 248e525c-4dfb-0310-94bc-949c084e9493