Make Ruby 2.5 the minimum version supported

gettalong · Mar 15, 2023 · 43dec69 · 43dec69
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diff --git a/Rakefile b/Rakefile
@@ -171,7 +171,7 @@ namespace :dev do
 
       s.require_path = 'lib'
       s.executables = ['kramdown']
-      s.required_ruby_version = '>= 2.3'
+      s.required_ruby_version = '>= 2.5'
       s.add_dependency "rexml"
       s.add_development_dependency 'minitest', '~> 5.0'
       s.add_development_dependency 'rouge', '~> 3.0', '>= 3.26.0'

diff --git a/doc/installation.page b/doc/installation.page
@@ -8,15 +8,15 @@ sort_info: 5
 ## Dependencies
 
 Since kramdown is written in Ruby, you just need the [Ruby interpreter](http://www.ruby-lang.org),
-version 2.3 or later. There are no other dependencies.
+version 2.5 or later. There are no other dependencies.
 
 
 ## Compatibility Notes
 
 kramdown should work on any platform which supports Ruby. It has been successfully tested on the
 following platforms:
 
-* Linux with Ruby 2.3 or later and jruby 9.0.0.0.
+* Linux with Ruby 2.5 or later and jruby 9.2.0.0.
 
 See the platform specific installation notes for more information!