A WC format bump is imminent, in order to rename the pristine text files from '<SHA1>' to '<SHA1>.pristine', as discussed in the thread 'Add ".svn-base" suffix to the pristine files in 1.7' started by Konstantin Kolinko on 2011-05-18, <http://svn.haxx.se/dev/archive-2011-05/0583.shtml>.
- Julian