* subversion/libsvn_ra_svn/protocol   (log): document the new optional limit argument.
* subversion/libsvn_ra_svn/protocol
  (log): document the new optional limit argument.

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