README.adoc in asciidoctor-1.5.8 vs README.adoc in asciidoctor-2.0.0.rc.1

@@ -1,8 +1,8 @@
 = Asciidoctor
 Dan Allen <https://github.com/mojavelinux[@mojavelinux]>; Sarah White <https://github.com/graphitefriction[@graphitefriction]>; Ryan Waldron <https://github.com/erebor[@erebor]>
-v1.5.8, 2018-10-28
+v2.0.0.rc.1, 2019-03-02
 // settings:
 :idprefix:
 :idseparator: -
 :source-language: ruby
 :language: {source-language}
@@ -15,11 +15,11 @@
 :note-caption: :paperclip:
 :tip-caption: :bulb:
 :warning-caption: :warning:
 endif::[]
 // Variables:
-:release-version: 1.5.8
+:release-version: 2.0.0.rc.1
 // URIs:
 :uri-org: https://github.com/asciidoctor
 :uri-repo: {uri-org}/asciidoctor
 :uri-asciidoctorj: {uri-org}/asciidoctorj
 :uri-asciidoctorjs: {uri-org}/asciidoctor.js
@@ -141,13 +141,12 @@
 
 == Requirements
 
 Asciidoctor works on Linux, macOS and Windows and requires one of the following implementations of {uri-ruby}[Ruby]:
 
-* Ruby (MRI/CRuby 1.8.7 - 2.5)
-* JRuby (1.7 in Ruby 1.8 and 1.9 modes, 9000)
-* Rubinius 2.2.x
+* CRuby (aka MRI) 2.3 - 2.6
+* JRuby 9.1 - 9.2
 * Opal (JavaScript)
 
 [CAUTION]
 ====
 If you're using a non-English Windows environment, you may bump into an `Encoding::UndefinedConversionError` when invoking Asciidoctor.
@@ -327,11 +326,11 @@
 You should see information about the Asciidoctor version and your Ruby environment printed in the terminal.
 
 [.output,subs=attributes+]
 ....
 Asciidoctor {release-version} [https://asciidoctor.org]
-Runtime Environment (ruby 2.5.1p57 [x86_64-linux]) (lc:UTF-8 fs:UTF-8 in:- ex:UTF-8)
+Runtime Environment (ruby 2.6.0p0 [x86_64-linux]) (lc:UTF-8 fs:UTF-8 in:- ex:UTF-8)
 ....
 
 Asciidoctor also provides an API.
 The API is intended for integration with other Ruby software, such as Rails, Sinatra and GitHub, and other languages, such as Java (via {uri-asciidoctorj}[AsciidoctorJ]) and JavaScript (via {uri-asciidoctorjs}[Asciidoctor.js]).
 
@@ -454,10 +453,10 @@
 Issue tracker:: {uri-issues}
 Asciidoctor organization on GitHub:: {uri-org}
 
 == License
 
-Copyright (C) 2012-2018 Dan Allen, Sarah White and the individual contributors to Asciidoctor.
+Copyright (C) 2012-2019 Dan Allen, Sarah White and the individual contributors to Asciidoctor.
 Use of this software is granted under the terms of the MIT License.
 
 See the {uri-license}[LICENSE] for the full license text.
 
 == Authors