The Diamond has faded. The story of Roger "Syd" Barrett is legend. That legend can be found in most of Pink Floyd's 70s albums, which were recorded with and without him. He wasn't there physically, but his spirit hovered over the proceedings like a divine spectre. It could be said that as much as Floyd owes its existence to Syd, they owe their greatest creative/commercial successes to Syd's very real mental unraveling. It's a spooky thing to consider. It's rock 'n' roll.
In later years, Syd never liked to talk about his days as a rock star. I don't blame him. Unless you reach back far enough, the past tends to be a drag. Rest well, friend. Syd as a wee Roger.