nil exception, i'm not sure what's causing it
Created by: jrochkind
doc = <<EOS
<a:parent xmlns:a='http://example.com/A' xmlns:b='http://example.com/B'>
<a:child>
<b:grandchild />
</a:child>
</a:parent>
EOS
oxml = Oga.parse_xml(doc)
oxml.to_xml
/Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/attribute.rb:85:in `to_xml': undefined method `name' for nil:NilClass (NoMethodError)
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/element.rb:219:in `block in to_xml'
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/element.rb:218:in `each'
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/element.rb:218:in `to_xml'
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/node_set.rb:59:in `block in each'
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/node_set.rb:59:in `each'
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/node_set.rb:59:in `each'
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/document.rb:61:in `map'
from /Users/jrochkind/.gem/ruby/1.9.3/gems/oga-0.1.1/lib/oga/xml/document.rb:61:in `to_xml'