[ruby-cvs:79050] b884eb59eb (master): Fix variable name and add more example [ci skip]

"Kazuhiro NISHIYAMA" <[email protected]> Fri, 3 Jan 2020 01:27:58 +0900 (JST)

Newsgroups	gmane.comp.lang.ruby.cvs
Message-ID	<[email protected]>

Kazuhiro NISHIYAMA	2020-01-03 01:26:32 +0900 (Fri, 03 Jan 2020)

  New Revision: b884eb59eb

  https://github.com/ruby/ruby/commit/b884eb59eb

  Log:
    Fix variable name and add more example [ci skip]

  Modified files:
    ast.rb=