* lib/yaml.rb (yamler): thread local.

Tagging 399 for release.

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_8_6_399@26578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Tagging 398 for release.

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_8_6_398@26564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

rb_iseq_load conceptual compiler

tags branches/ruby_1_9_1@26272 as v1_9_1_378.

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_9_1_378@26273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

add tag v1_8_7_249

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_8_7_249@26269 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tagging pl388

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_8_6_388@26276 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

add tag v1_8_7_248

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_8_7_248@26177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tags branches/ruby_1_9_1@26040 as v1_9_1_376

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_9_1_376@26041 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tags r24782 on the trunk as v1_9_2_preview2

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/tags/v1_9_2_preview2@24787 b2dd03c8-39d4-4d8f-98ff-823fe69b080e