* ext/psych/lib/psych/visitors/yaml_tree.rb: change output reference
  ids to be sequential numbers.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/psych/lib/psych/visitors/yaml_tree.rb: fixing string quotation
  when dumping Ruby strings. Thanks Ingy

* test/psych/test_psych.rb: appropriate tests.

* test/psych/test_yaml.rb: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39144 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/rubygems/package/old.rb:  Fix loading old format gems on ruby
  1.8.  This commit is only so trunk and rubygems master have the same
  code.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39145 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
process.c: ix typo

* process.c (USE_GETPWNAM_R): fix typo.  _SC_GETPW_R_SIZE_MAX instead
  of same macro twice.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39146 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
mkmf.rb: RUBY_VERSION_NAME

* lib/mkmf.rb (MakeMakefile#configuration): set all ruby names.
  hdrdir now needs RUBY_VERSION_NAME.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39147 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/rubygems/config_file.rb:  Add missing require for
  user_interaction.rb

* lib/rubygems/dependency_installer.rb:  Minor refactor for clarity.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39148 b2dd03c8-39d4-4d8f-98ff-823fe69b080e