1.9 specific code fails under JRuby 1.6.8

[postmodern]

While testing md2man master with JRuby 1.6.8, I got this error:

undefined method `each_key' for []:Array
/home/hal/.gem/jruby/1.8.7/bundler/gems/md2man-7746a87c2c9c/lib/md2man/document.rb:117:in `decode_references'
/home/hal/.gem/jruby/1.8.7/bundler/gems/md2man-7746a87c2c9c/lib/md2man/document.rb:90:in `codespan'
/home/hal/.gem/jruby/1.8.7/bundler/gems/md2man-7746a87c2c9c/lib/md2man/roff.rb:165:in `codespan'
/home/hal/.gem/jruby/1.8.7/bundler/gems/md2man-7746a87c2c9c/lib/md2man/tasks.rb:55:in `define'
/home/hal/.gem/jruby/1.8.7/bundler/gems/md2man-7746a87c2c9c/lib/md2man/tasks.rb:128:in `render'

However, md2man works fine under MRI 1.9.3.

[sunaku]

I just observed that Redcarpet 2.2.1 doesn't build under Ruby 1.8.7, in addition to JRuby as #9 reports.

I've become weary of Ruby 1.8's syntax and stdlib limitations, so I'm tempted to stop supporting it. 😫

[postmodern]

1.8.7 is dying, so it might be time to add required_ruby_version = '>= 1.9.1' to the gemspec.

[sunaku]

Ah, so that's how it's done! Thanks for the tip.

[sunaku]

Fixed in 66a0dab.