add tarball URLs

Author: nurse

en/news/_posts/2015-12-11-ruby-2-3-0-preview2-released.md

@@ -3,7 +3,7 @@ layout: news_post
 title: "Ruby 2.3.0-preview2 Released"
 author: "naruse"
 translator:
-date: 2015-11-11 14:00:00 +0000
+date: 2015-12-11 14:00:00 +0000
 lang: en
 ---
 
@@ -19,10 +19,10 @@ Ruby 2.3 introduces a new magic comment and command line option to
 freeze all string literals in the source files.
 Additionally for debugging, you can get where the object is created on
 `"can't modify frozen String"` error by
-`--enable-frozen-string-literal-debug`.
+`--debug=frozen-string-literal` command line option.
 
 A [safe navigation operator](https://bugs.ruby-lang.org/issues/11537)
-[`&.`](https://instagram.com/p/-M9l6mRPLR/),
+([so-called lonely operator](https://instagram.com/p/-M9l6mRPLR/)) `&.`,
 which already exists in C#, Groovy, and Swift, is introduced to ease
 `nil` handling as `obj&.foo`. `Array#dig` and `Hash#dig` are also added.
 
@@ -36,43 +36,34 @@ knowledge!
 
 ## Notable Changes since 2.2
 
-* TBD
-
 See [NEWS](https://github.com/ruby/ruby/blob/v2_3_0_preview2/NEWS) and
 [ChangeLog](https://github.com/ruby/ruby/blob/v2_3_0_preview2/ChangeLog)
 for detail.
 
-With those changes, [1036 files changed, 81312 insertions(+), 51322 deletions(-)](https://github.com/ruby/ruby/compare/v2_2_0...v2_3_0_preview2) since Ruby 2.2.0!
+With those changes, [1097 files changed, 97466 insertions(+), 58685 deletions(-)](https://github.com/ruby/ruby/compare/v2_2_0...v2_3_0_preview2) since Ruby 2.2.0!
 
 ## Download
 
-* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview1.tar.bz2>
-
-  * SIZE:   14174035 bytes
-  * SHA1:   55ad4f04d7a33ab780458ee0999de9f6124217ea
-  * SHA256: 42b9c9e1740a5abe2855d11803524370bd95744c8dcb0068572ed5c969ac7f0f
-  * SHA512: ae6d46c87f59e1fd3703b76dfc45bfcf208625f95ab9f4559f0b9f7050e8681f1a6e419f5fa06b704c83e56879c3a9ff1337dba443bcfca76fadb49c97d97a93
-
-* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview1.tar.gz>
-
-  * SIZE:   17560800 bytes
-  * SHA1:   6249572e5dca27d8c73a0cbf036e24e5d88fe82f
-  * SHA256: dc8f9d48392a2bb226df5f4b4fd2074d81af155cdf3f3799139a6e31e012aefe
-  * SHA512: 58384ef6e743dde20ea263692dab86ce9d6d22d722ef4c02a84396aa3128ce06d933d9b69078a3cd666d72320a8a6ffdc93296bc0d5338595b2a44c29d4db383
-
-* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview1.tar.xz>
-
-  * SIZE:   11225228 bytes
-  * SHA1:   85b4f631efa4b6435b2b41df6ce6c46da294c4d4
-  * SHA256: a88e19d9dc001db8f49ca3986a8a4e69980affff876854585725e40de0eedcd8
-  * SHA512: 3be0f3ed4de73509b2f6975fe3fbe28bb4d51df87db6e2c0019e8a107edf49be60b2127ba5b18bca91f9f5964b07f1adde3042dac6327017359eeb130760672b
-
-* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview1.zip>
-
-  * SIZE:   19777010 bytes
-  * SHA1:   3458666c250dd333ac4b537be25f1913dd311ea1
-  * SHA256: 0fc1d4450e9141f541038a4433f8fb49fb929e43c7bf5985685a4fa7b213a811
-  * SHA512: f53653cf11d8dce1d627f7db3a15acca29c74c78735406a5d64bbbdc39fac232ef63110eb4d83521bef40c6f3006d55bbeaf54d1ddab1d4b6e5a13cee9247e85
+* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview2.tar.bz2>
+  * SIZE:   14126752 bytes
+  * SHA1:   7e717ef7a0a1523ad696b5fe693f7f7a613a3810
+  * SHA256: e9b0464e50b2e5c31546e6b8ca8cad71fe2d2146ccf88b7419bbe9626af741cb
+  * SHA512: e397f321d4338edba8d005d871408775f03d975da90c8abcfdb457a1bc7e6c87efe58c53b2c3bc122e9f58f619767b271bcc8d5d9663ed4b4288c60556e8d288
+* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview2.tar.gz>
+  * SIZE:   17623519 bytes
+  * SHA1:   2deaf3ccbbfc5e08d3d840a4f1c33ff5f62f931d
+  * SHA256: cb1c745bda33ba9e812b48c87852571ef6486f985c5e6ff4508a137d1c9734a3
+  * SHA512: 83022f99775eb139beec281d59029dcc7c59de1e313182685b0a785334ac53d0c445212460d00d065169b922949263f30a1f981e19fc6e59814e79e6e53ae8e0
+* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview2.tar.xz>
+  * SIZE:   11249780 bytes
+  * SHA1:   e1dfca06cd3c2cf6456a7feb0b1cd0752bde1a3b
+  * SHA256: 7c3119268af87c137f415301b299281762453ad78f86e35562be014dabd67b11
+  * SHA512: ab3376145d95a2188e6345984f0e5592c8d33515d7046a2ab2565dc418fa2306cdcf797aae9494d4d10446ada54ba638d8a8ad2d4b7510544d7eaea3de4faa87
+* <https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0-preview2.zip>
+  * SIZE:   19841531 bytes
+  * SHA1:   db7fa5291d90e0a9c6f75c0cd068bc54050520d6
+  * SHA256: 90d036fd1ec40aa8f5493821ac162bf69f505c5977db54afe53b8bf689d79b9d
+  * SHA512: 05784df420018aaae7d09d41e872df708e861cacc74dc8ee97a9e3ac7458cb12b937523ad6def34d5ae2890a0cf037a8d61e365beb88d28acd84879b9391ad65
 
 ## Release Comment