m.gemspec in m-1.3.4 vs m.gemspec in m-1.4.0

@@ -14,13 +14,13 @@
 
   gem.add_runtime_dependency "method_source", ">= 0.6.7"
   gem.add_runtime_dependency "rake", ">= 0.9.2.2"
 
   gem.add_development_dependency "activesupport"
-  gem.add_development_dependency "rdiscount"
-  gem.add_development_dependency "rocco"
+  gem.add_development_dependency "rdiscount" unless defined? JRUBY_VERSION
+  gem.add_development_dependency "rocco" unless defined? JRUBY_VERSION
   gem.add_development_dependency "appraisal"
 
   gem.required_ruby_version = ">= 1.9"
 
-  gem.summary = description = %q{Run test/unit tests by line number. Metal!}
+  gem.summary = gem.description = %q{Run test/unit tests by line number. Metal!}
 end