Gemfile in html-pipeline-2.7.1 vs Gemfile in html-pipeline-2.7.2

@@ -1,32 +1,23 @@
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in html-pipeline.gemspec
 gemspec
 
 group :development do
-  gem "bundler"
-  gem "rake"
-  gem "appraisal"
+  gem 'appraisal'
+  gem 'bundler'
+  gem 'rake'
 end
 
 group :test do
-  gem "minitest"
-  gem "rinku",              "~> 1.7",   :require => false
-  gem "gemoji",             "~> 2.0",   :require => false
-  gem "RedCloth",           "~> 4.2.9", :require => false
-  gem "commonmarker",       "~> 0.14",  :require => false
-  gem "email_reply_parser", "~> 0.5",   :require => false
-  gem "sanitize",           "~> 2.0",   :require => false
+  gem 'commonmarker', '~> 0.14', require: false
+  gem 'email_reply_parser', '~> 0.5', require: false
+  gem 'gemoji', '~> 2.0', require: false
+  gem 'minitest'
+  gem 'RedCloth',           '~> 4.2.9', require: false
+  gem 'rinku',              '~> 1.7',   require: false
+  gem 'sanitize',           '~> 2.0',   require: false
 
-  if RUBY_VERSION < "2.1.0"
-    gem "escape_utils",     "~> 0.3",   :require => false
-    gem "github-linguist",  "~> 2.6.2", :require => false
-  else
-    gem "escape_utils",     "~> 1.0",   :require => false
-    gem "github-linguist",  "~> 2.10",  :require => false
-  end
-
-  if RUBY_VERSION < "1.9.3"
-    gem "activesupport", ">= 2", "< 4"
-  end
+  gem 'escape_utils', '~> 1.0', require: false
+  gem 'rouge', '~> 3.1', require: false
 end