* doc/syntax/refinements.rdoc:  Added refinements document based on
  the specification from the wiki.
* doc/syntax.rdoc:  Added link to refinements document.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38913 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* NEWS (RDoc):  Added mention of page support and markdown support.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38914 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* eval.c (f_current_dirname): Add documentation about "__dir__
  returns always an absolute path". [Bug #7729]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38915 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 fix rdoc of __dir__ [Bug #7729]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38916 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix NEWS of __dir__

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Refix of r38916: it uses realpath

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38918 b2dd03c8-39d4-4d8f-98ff-823fe69b080e