это наш химический дом для печальных жителей Земли

/usr/local/rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:58:in `require': /usr/localrvm/gems/ruby-1.9.2-p180/gems/xmpp4r-simple-0.8.8
/lib/xmpp4r-simple.rb:441: syntax error, unexpected ':', expecting  keyword_then or ',' or ';' or '\n' (SyntaxError)
                   when nil: new_presence.show || :online
                            ^
/usr/local/rvm/gems/ruby-1.9.2-p180/gems/xmpp4r-simple-0.8.8/lib/xmpp4r-simple.rb:442: syntax error, unexpected keyword_when, expecting keyword_end
                   when :unavailable: :unavailable
                       ^
/usr/local/rvm/gems/ruby-1.9.2-p180/gems/xmpp4r-simple-0.8.8/lib/xmpp4r-simple.rb:443: syntax error, unexpected keyword_else, expecting keyword_end
/usr/local/rvm/gems/ruby-1.9.2-p180/gems/xmpp4r-simple-0.8.8/lib/xmpp4r-simple.rb:490: syntax error, unexpected keyword_end, expecting $end
	from /usr/local/rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:58:in  `rescue in require'
	from /usr/local/rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:35:in `require'
	from xmpp.rb:3:in `<main>'

presence = case new_presence.type
when nil: new_presence.show || :online
when :unavailable: :unavailable
else
  nil
end

presence = case new_presence.type
when nil
  new_presence.show || :online
when :unavailable
  :unavailable
else
  nil
end