(eval):1: syntax error, unexpected $undefined

On rails 3 and ruby 1.9.2, I get this error:

(eval):1: syntax error, unexpected $undefined $#<MenuBuilder:0x007fd9360719a0> = #<MENUBUILDER:0X007FD9360719A0> ^

Not sure where to start with this. Everything looks fine to me:


#main-menu   = menu do |m|     = m.submenu "Products" do       = m.item "Products", Product

#builders_helper.rb module BuildersHelper   def menu(options = {}, &block)     MenuBuilder.new(self).root(options, &block)   end end


class MenuBuilder   attr_accessor :template

  def initialize(template)     @template = template   end

  def root(options, &block)     options[:class] = "jd_menu jd_menu_slate ui-corner-all"     content_tag :ul, capture(self, &block), options   end

  def item(title, url, options = {})     content_tag :li, options do       url = ajax_route(url) unless String === url       url = dash_path + url if url.starts_with?("#")       link_to title, url     end   end

  def submenu(title, options = {}, &block)     content_tag :li do       content_tag(:h6, title.t) +       content_tag(:ul, capture(self, &block), :class => "ui-corner- all")     end   end end

It fails on this line for some reason:

    content_tag :ul, capture(self, &block), options

thnanks for response