Gemfile in metanorma-vsd-0.5.1 vs Gemfile in metanorma-vsd-0.5.2

@@ -1,9 +1,11 @@
 Encoding.default_external = Encoding::UTF_8
 Encoding.default_internal = Encoding::UTF_8
 
 source "https://rubygems.org"
-git_source(:github) {|repo| "https://github.com/#{repo}" }
+git_source(:github) { |repo| "https://github.com/#{repo}" }
 
-#gem "metanorma-standoc", github: "metanorma/metanorma-standoc"
-
 gemspec
+
+if File.exist? 'Gemfile.devel'
+  eval File.read('Gemfile.devel'), nil, 'Gemfile.devel' # rubocop:disable Security/Eval
+end