* NEWS (2.4.2): Document deprecation and the phase-out plan.
* data/lalr1.java (parser::YYStack::YYFAIL): Add comment about
deprecation.
* data/yacc.c (YYFAIL): Likewise, and suppress warnings about
YYFAIL from GCC cpp's -Wunused-macros.
* doc/bison.texinfo (Java Action Features): Remove YYFAIL
documentation.
(LocalWords): Remove YYFAIL.
(cherry picked from commit
1625df5b18bc1ad696f149f059e6677ca0759dfc)
Conflicts:
src/parse-gram.c
src/parse-gram.h