* subversion/libsvn_fs_fs/structure   (Transaction layout): document sha1->rep mapping files
* subversion/libsvn_fs_fs/structure
  (Transaction layout): document sha1->rep mapping files

Found by: julianfoad

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1411202 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion