Cucumber::RbSupport::MultipleWorld

    # File lib/cucumber/rb_support/rb_language.rb, line 18
18:       def initialize(first_proc, second_proc)
19:         message = "You can only pass a proc to #World once, but it's happening\n"
20:         message << "in 2 places:\n\n"
21:         message << first_proc.backtrace_line('World') << "\n"
22:         message << second_proc.backtrace_line('World') << "\n\n"
23:         message << "Use Ruby modules instead to extend your worlds. See the Cucumber::RbSupport::RbDsl#World RDoc\n"
24:         message << "or http://wiki.github.com/aslakhellesoy/cucumber/a-whole-new-world.\n\n"
25:         super(message)
26:       end