update

Author: nurse

en/news/_posts/2017-09-18-ruby-2-5-0-preview1-released.md

@@ -21,23 +21,29 @@ It introduces some new features and performance improvements, for example:
 
 * rescue/else/ensure are allowed inside do/end blocks.  [Feature #12906]
 
-
 * yield\_self [Feature #6721]
-* absent operator
-  https://github.com/k-takata/Onigmo/issues/82
 
 ## Other notable changes since 2.3
 
-* RDoc: Merge rdoc-6.0.0.beta2 from upstream.
-  This version changed lexer used Ripper from lexer based IRB,
-  and it much improved the performance of generating document.
-  see details: https://github.com/ruby/rdoc/pull/512
-
-See [NEWS](https://github.com/ruby/ruby/blob/v2_5_0/NEWS)
+* Merge Onigmo to 6.1.1.
+  It adds [absent operator](https://github.com/k-takata/Onigmo/issues/82)
+  Note that Ruby 2.4.1 also includes this change.
+* Merge bundler to standard libraries.
+* Merge rubygems-2.6.13.
+* Merge rdoc-6.0.0.beta2.
+  Change lexer IRB based one to Ripper.
+  It much improves the speed of generating document.
+  https://github.com/ruby/rdoc/pull/512
+  This also includes
+  * Fix so many bugs in the last dozen years or so
+  * Support new Ruby syntaxes in the last several years
+* Update supported Unicode version to 10.0.0.
+
+See [NEWS](https://github.com/ruby/ruby/blob/v2_5_0_preview1/NEWS)
 or commit logs for details.
 
 With those changes,
-[2523 files changed, 289129 insertions(+), 84670 deletions(-)](https://github.com/ruby/ruby/compare/v2_4_0...v2_5_0)
+[2523 files changed, 289129 insertions(+), 84670 deletions(-)](https://github.com/ruby/ruby/compare/v2_4_0...v2_5_0_preview1)
 since Ruby 2.4.0!
 
 Enjoy Ruby 2.5.0-preview1!

ja/news/_posts/2017-09-18-ruby-2-5-0-preview1-released.md

@@ -7,7 +7,7 @@ date: 2017-09-18 00:00:00 +0000
 lang: ja
 ---
 
-Ruby 2.5.0にむけたの最初のプレビューである、Ruby 2.4.0-preview1がリリースされました。
+Ruby 2.5.0にむけたの最初のプレビューである、Ruby 2.5.0-preview1がリリースされました。
 
 Ruby 2.5.0 では以下に示すようなたくさんの新機能が含まれています: