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Revert 2009-12-30 change for undefined %prec token complaints.

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That is, keep them as warnings because that should be sufficient
to satisfy POSIX without creating backward compatibility issues.
Suggested by Richard Stallman at
<http://lists.gnu.org/archive/html/bison-patches/2010-03/msg00033.html>.
* NEWS (2.5): Remove mention of complaint.
* src/reader.c (grammar_rule_check): Convert warning back to
complaint.
* tests/input.at (%prec's token must be defined): Update.
(cherry picked from commit 02354690ee)
This commit is contained in:
Joel E. Denny
2010-04-30 14:41:07 -04:00
parent ba3063f613
commit e02df72c2d
4 changed files with 16 additions and 10 deletions
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6
NEWS
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@@ -130,12 +130,6 @@ Bison News
discussion of how to suppress C preprocessor warnings about YYFAIL
being unused, see the Bison 2.4.2 NEWS entry.
** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately.
As promised in Bison 2.4.2's NEWS entry, it is now an error if a token
that appears after a %prec directive is not defined by %token, %left,
%right, or %nonassoc. This is required by POSIX.
** Temporary hack for adding a semicolon to the user action.
Previously, Bison appended a semicolon to every user action for