id summary reporter owner description type status milestone component version severity resolution keywords cc 5895 Spirit 2.5 pdf linking error Hallo32@… Joel de Guzman "The link on the page 74 under Parser Operators for ""&a"" is linking to the explanation for ""!a"". I think the right target will be ""And-Predicate Parser(&a)"" on page 172. Best regards" Bugs closed To Be Determined spirit Boost 1.47.0 Optimization fixed