* subversion/tests/cmdline/merge_tests.py   (dont_merge_revs_into_subtree_that_predate_it): Add a diagram.
* subversion/tests/cmdline/merge_tests.py
  (dont_merge_revs_into_subtree_that_predate_it): Add a diagram.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion