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news: announce that Bison 3.6 drops YYERROR_VERBOSE

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* NEWS: here.
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Akim Demaille
2020-04-04 14:52:58 +02:00
parent cc6e5cf854
commit 961ea2ac85
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NEWS
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@@ -2,6 +2,18 @@ GNU Bison NEWS
* Noteworthy changes in release ?.? (????-??-??) [?]
** WARNING: Future backward-incompatibilities!
TL;DR: replace "#define YYERROR_VERBOSE 1" by "%define parse.error verbose".
Bison 3.6 will no longer support the YYERROR_VERBOSE macro; the parsers
that still depend on it will produce Yacc-like error messages (just
"syntax error"). It was superseded by the "%error-verbose" directive in
Bison 1.875 (2003-01-01). Bison 2.6 (2012-07-19) clearly announced that
support for YYERROR_VERBOSE would be removed. Note that since Bison 3.0
(2013-07-25), "%error-verbose" is deprecated in favor of "%define
parse.error verbose".
** Bug fixes
Fix portability issues of the package itself on old compilers.