# File lib/rdoc/context.rb, line 816
  def find_symbol_module(symbol)
    result = nil

    # look for a class or module 'symbol'
    case symbol
    when /^::/ then
      result = RDoc::TopLevel.find_class_or_module(symbol)
    when /^(\w+):+(.+)$/
      suffix = $2
      top = $1
      searched = self
      loop do
        mod = searched.find_module_named(top)
        break unless mod
        result = RDoc::TopLevel.find_class_or_module(mod.full_name + '::' + suffix)
        break if result || searched.is_a?(RDoc::TopLevel)
        searched = searched.parent
      end
    else
      searched = self
      loop do
        result = searched.find_module_named(symbol)
        break if result || searched.is_a?(RDoc::TopLevel)
        searched = searched.parent
      end
    end

    result
  end