bison: correct package description and took over maintainship

base/bison/bison.desc

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 [I] The GNU general-purpose parser generator
 
-[T] "Bison" is a general-purpose parser generator that converts a
+[T] Bison is a general-purpose parser generator that converts a grammar
-[T] grammar description for an LALR(1) context-free grammar into a C
+[T] description for an LALR(1) context-free grammar into a C program to
-[T] program to parse that grammar.  Once you are proficient with Bison, you
+[T] parse that grammar. Once you are proficient with Bison, you may use
-[T] may use it to develop a wide range of language parsers, from those used
+[T] it to develop a wide range of language parsers, from those used in
-[T] in simple desk calculators to complex programming languages.
+[T] simple desk calculators to complex programming languages.
 [T]
 [T] Bison is upward compatible with Yacc: all properly-written Yacc
-[T] grammars ought to work with Bison with no change.  Anyone familiar with
+[T] grammars ought to work with Bison with no change. Anyone familiar
-[T] Yacc should be able to use Bison with little trouble.  You need to be
+[T] with Yaccshould be able to use Bison with little trouble.
-[T] fluent in C programming in order to use Bison or to understand this
+
-[T] manual.
 
-[U] http://www.gnu.org/software/bison/bison.html
+[U] http://www.gnu.org/software/bison/
 
-[A] The GNU Project <[email protected]>
+[A] Akim Demaille <[email protected]>
-[M] The OpenSDE Community <[email protected]>
+[A] Paul Eggert <[email protected]>
+[A] Joel E. Denny <[email protected]>
+[A] Robert Corbett (original author)
+[M] Christian Wiese <[email protected]>
 
 [C] base/development
 [F] DIETLIBC