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* NEWS: %expect-violations are now just warnings, reverting

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to Bison 1.30 and 1.75 behavior.  This fixes the GCC 3.2
bootstrapping problem reported by Matthias Klose; see
<http://mail.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
* src/conflicts.c (conflicts_print): Likewise.
* tests/conflicts.at (%expect not enough, %expect too much,
%expect with reduce conflicts): Likewise.
* doc/bison.texinfo (Expect Decl): Document this.  Also mention
that the warning is enabled if the number of conflicts changes
(not necessarily increases).
This commit is contained in:
Paul Eggert
2003-01-13 06:41:29 +00:00
parent 8522c9ed2a
commit 69363a9e4d
4 changed files with 23 additions and 17 deletions
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8
doc/bison.texinfo
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@@ -3558,7 +3558,7 @@ The declaration looks like this:
Here @var{n} is a decimal integer. The declaration says there should be
no warning if there are @var{n} shift/reduce conflicts and no
reduce/reduce conflicts. An error, instead of the usual warning, is
reduce/reduce conflicts. The usual warning is
given if there are either more or fewer conflicts, or if there are any
reduce/reduce conflicts.
@@ -3580,9 +3580,9 @@ Add an @code{%expect} declaration, copying the number @var{n} from the
number which Bison printed.
@end itemize
Now Bison will stop annoying you about the conflicts you have checked, but
it will warn you again if changes in the grammar result in additional
conflicts.
Now Bison will stop annoying you if you do not change the number of
conflicts, but it will warn you again if changes in the grammar result
in more or fewer conflicts.
@node Start Decl
@subsection The Start-Symbol