jekyll-diagrams.gemspec in jekyll-diagrams-0.9.1 vs jekyll-diagrams.gemspec in jekyll-diagrams-0.9.2

@@ -1,25 +1,31 @@
+# frozen_string_literal: true
+
 lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 require 'jekyll-diagrams/version'
 
 Gem::Specification.new do |spec|
   spec.name          = 'jekyll-diagrams'
   spec.version       = Jekyll::Diagrams::VERSION
-  spec.authors       = ['zhustec']
-  spec.email         = ['[e-mail]']
+  spec.author        = 'zhustec'
+  spec.email         = '[e-mail]'
   spec.homepage      = 'https://github.com/zhustec/jekyll-diagrams'
-  spec.description   = 'Jekyll plugins for diagrams support.'
-  spec.summary       = 'Jekyll plugins for diagrams support, including Graphviz, Blockdiag, PlantUML and so on.'
   spec.license       = 'MIT'
+  spec.summary       = 'Jekyll plugins for diagrams support'
+  spec.description   = <<~DESC
+    Jekyll plugins for diagrams support, including Graphviz, Blockdiag,
+    PlantUML and so on.
+  DESC
 
   spec.files         = `git ls-files -z`.split("\x0")
-  spec.test_files    = spec.files.grep(%r!^(test|spec|features)!)
+  spec.test_files    = spec.files.grep(/^(test|spec|features)/)
   spec.require_paths = ['lib']
 
   spec.add_dependency 'jekyll', '>= 3.7', '< 5.0'
 
   spec.add_development_dependency 'bundler'
-  spec.add_development_dependency 'rake'
+  spec.add_development_dependency 'cucumber'
   spec.add_development_dependency 'minitest', '~> 5.0'
-end
\ No newline at end of file
+  spec.add_development_dependency 'rake'
+end