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POSIX: complain if %prec's token was not defined.

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* NEWS (2.5): Document.
* src/reader.c (grammar_rule_check): Convert warning to
complaint.
* tests/input.at (%prec's token must be defined): Update.
This commit is contained in:
Joel E. Denny
2009-12-30 03:14:12 -05:00
parent 2c2035282c
commit 510df9519e
4 changed files with 18 additions and 4 deletions
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6
NEWS
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@@ -130,6 +130,12 @@ 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