savonrb/savon — pull request #519 by Funfun (2013-11-12 15:11:44+00:00)
Title: Added missing ability of specifying value and the same time an attributes for simple tag 

I did research and did not found an ability to do following:

operation.body = {tag: {tag: 'value', :_mysuperattribute => 1}

generate:

value

Hope it could be merged.