gnu: bison: Mention yacc in the description.

This should help the user find the package if the goal is to satisfy a
dependency on yacc.

* gnu/packages/bison.scm (bison)[synopsis, description]: Explain
  compatibility with Yacc.
parent 54369b60
......@@ -3,6 +3,7 @@
;;; Copyright © 2018 Tobias Geerinckx-Rice <>
;;; Copyright © 2019 Efraim Flashner <>
;;; Copyright © 2020 B. Wilson <>
;;; Copyright © 2020 Jakub Kądziołka <>
;;; This file is part of GNU Guix.
......@@ -57,12 +58,14 @@
(inputs `(("flex" ,flex)))
(propagated-inputs `(("m4" ,m4)))
(home-page "")
(synopsis "Parser generator")
(synopsis "Yacc-compatible parser generator")
"GNU Bison is a general-purpose parser generator. It can build a
deterministic or generalized LR parser from an annotated, context-free
grammar. It is versatile enough to have many applications, from parsers for
simple tools through complex programming languages.")
simple tools through complex programming languages.
Bison also provides an implementation of @command{yacc}, as specified by POSIX.")
(license gpl3+)))
(define-public bison-3.6
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