def style_url(path, css_name=nil)
#      $stderr.puts "style_url( #{path.inspect}, #{css_name.inspect} )"
      css_name ||= CSS_NAME
      if %r{^(https?:/)?/} =~ css_name
        css_name
      else
        RDoc::Markup::ToHtml.gen_relative_url path, css_name
      end
    end
def style_url(path, css_name=nil)
#      $stderr.puts "style_url( #{path.inspect}, #{css_name.inspect} )"
      css_name ||= CSS_NAME
      if %r{^(https?:/)?/} =~ css_name
        css_name
      else
        RDoc::Markup::ToHtml.gen_relative_url path, css_name
      end
    end
Qualify a stylesheet URL; if if +css_name+ does not begin with '/' or
 'http[s]://', prepend a prefix relative to +path+. Otherwise, return it
 unmodified.