# File lib/pdf/reader/content.rb, line 322
    def walk_xobject_form(label)
      xobjects = current_resources[:XObject] || {}
      xobject  = @xref.object(xobjects[label])

      if xobject && xobject.hash[:Subtype] == :Form
        callback(:begin_form_xobject)
        resources = @xref.object(xobject.hash[:Resources])
        walk_resources(resources) if resources
        content_stream(xobject.to_s)
        callback(:end_form_xobject)
      end
    end