not set instance variable "@kind" before initializing it.
  [ruby-dev:32677]

* ext/syck/rubyext.c (syck_resolver_initialize,
  syck_resolver_detect_implicit, syck_emitter_emit): remove unused
  variables.

* ext/syck/rubyext.c: Node#value defined twice.

* lib/yaml/: several method redefinitions causing warnings.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@16076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e