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 parsers are table-based parsers, similar to LR parsers. LL grammars can alternatively be characterized as precisely those that can be parsed by a predictive parser – a recursive descent parser without backtracking – and these can be readily written by hand. This article is about the formal properties of LL grammars; for parsing, see LL parser or recursive descent parser. There is a separate LL("k") parser for each natural number "k" (0, 1, 2, ...). A LL parser is called a LL("k") parser if it uses "k" tokens of lookahead when parsing a sentence. A LL("k") parser recognizes the languages