Date   : Wed, 22 Jul 2009 22:08:26 +0100
From   : flynnjs@... (Jason Flynn G7OCD)
Subject: Fw: Fwd: ITV Teletext to shut down in January

Rick wrote: 
> all the stuff with PAL signals and scanlines
> will no longer be relevant as it will be your
> receiver generating the signal 

The DVB spec allows insertion of off screen scan lines at the STB to maintain
compatibility. I guess it will become truly obsolete when PAL disappears
as HD takes over.