'''grammar::aycock''', a [Tcllib] module, implements a parser generator for the class of parsers described in ''Practical Earley Parsing'' by John Aycock and R. Nigel Horspool. ** Reading ** [http://courses.engr.illinois.edu/cs421/sp2012/project/PracticalEarleyParsing.pdf%|%Practical Earley Parsing] ([http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.12.4254%|%citeseerx]) ,John Aycock and R. Nigel Horspool, The Computer Journal, 45(6):620-630, 2002: <> Parsing