add comments.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
add doc. for IO#close_on_exec=.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* doc/rake/, lib/rake/doc/: Move Rake rdoc files to lib/rake


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39185 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* gc.h (SET_MACHINE_STACK_END): use __volatile__ instead of volatile.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39186 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_exec.h (DISPATCH_ARCH_DEPEND_WAY): use __asm__ __vilatile__
  instead of asm volatile.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39187 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix typo.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* doc/rake/*: Sync Rake rdoc files from upstream


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_exec.h: fix typo

* vm_exec.h (DISPATCH_ARCH_DEPEND_WAY): fix typo.  probably "inserted"
  or "insetted".

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* properties.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix date time mistake in ChangeLog.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/rake/doc/MIT-LICENSE: Add license file from upstream
* lib/rake/doc/README.rdoc: Link to license file from Rake README
* lib/rake/version.rb: Include README rdoc for Rake module overview


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39193 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Add ChangeLog from 39193


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39194 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* properties.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/socket/extconf.rb: test types just after headers test.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/socket/extconf.rb: test structure members just after types test.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e