Change API docstrings:  before & after editors are *optional*.
Change API docstrings:  before & after editors are *optional*.

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