Viva Forever May, the Spice Girls appeared on the National Lottery, performing "Viva Forever" and "Spice Up Your Life" without Geri Halliwell, the excuse being that she was ill. In early June, the single was confirmed to simply be "Viva Forever". The single was to be released on 13 July, over two months after the original release date of 11 May. Even though posters were printed showcasing the 13 July release date, it was not long before the release dates started changing again. On the day of release, stores around the United Kingdom received a notice saying that the single was not
LL grammar generated by some "ε"-free LL("k") grammar. As allowing more tokens of lookahead makes the parser strictly more powerful, the languages that can be recognized with a LL("k") parser are a strict subset of the languages that can be recognized by a LL("k+n"), "n > 0" parser. This creates a strictly increasing sequence of sets: LL(0) ⊊ LL(1) ⊊ LL(2) ⊊ …. Since these are all DCFLs, a corollary is that for any fixed "k", there are DCFLs that cannot be recognized by a LL("k") parser. An LL parser is called an LL(*) parser if it is not restricted to a