The vote in the 70s was for devolution, not independence.They can keep voting forever or until there is a yes vote, in the event of a no vote today, although Salmond has said if it is a no vote, he wouldn't want another vote for at least a "generation", however long that means.
Cheers Brigzy That's what was said on the show I see last week with George Galloway ,Sturgeon and a couple others , meaning that's what they said back in the 70s . So going by that they mean a generation is about 35 year's lol