2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/151319The design of an LR parser based on interleaving the atomic symbol processing of a context-free backbone grammar with the full constraints of the underlying unification grammar is described. The parser employs a set of reduced constraints derived from the unification grammar in the LR parsing step. Gap threading is simulated to reduce the applicability of empty productions.5 pages, uuncoded, gzipped PostScriptComputation and Languagetext