4c4
< #   Copyright 2003 - 2005 Austin Ziegler.
---
> #   Copyright 2003 - 2005 Austin Ziegler. Modified 2007 Francesca Resta.
67c67
<     res = "\n#{@id} 0 obj\n<< "
---
>     res = "\n#{@oid} 0 obj\n<< "
70c70
<       res << "\n/#{s} /#{v}" unless v.nil?
---
>       res << "\n/#{s} #{v}" unless v.nil?
72c72
<     res << "\n>>\n"
---
>     res << "\n>>\nendobj\n"