astashov/debugger-xml — pull request #16 by os97673 (2013-12-05 08:00:18+00:00)
Title: #printf evaluates "%", but we do not need this

The problem has been reported against RubyMine (http://youtrack.jetbrains.com/issue/RUBY-14642)
@astashov do you have any particular reasons to use printf here?