* dag.c (node_is_kind_p, svn_fs__dag_is_mutable,   svn_fs__dag_get_proplist): add todo comment about impending   dag_node_t change.   (want!  want!)
* dag.c (node_is_kind_p, svn_fs__dag_is_mutable,
  svn_fs__dag_get_proplist): add todo comment about impending
  dag_node_t change.   (want!  want!)

  (node_is_kind_p): simplify with svn_fs__matches_atom().

  (svn_fs__dag_set_proplist):  implement.

  (malformed_proplist_error):  helper for above.

* svn_error.h (SVN_ERR_FS_MALFORMED_SKEL):  new error value.

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