+2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
+
+ * data/c.m4 (b4_c_modern): New macro, with a new provision for
+ _MSC_VER. Problem reported by Cenzato Marco.
+ (b4_c_function_def): Use it.
+ * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
+ b4_c_modern.
+ (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
+ than rolling our own.
+
+2006-01-04 Akim Demaille <akim@epita.fr>
+
+ Also warn about non-used mid-rule values.
+ * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
+ member.
+ (symbol_list_new): Adjust.
+ * src/reader.c (symbol_typed_p): New.
+ (grammar_rule_check): Use it.
+ (grammar_midrule_action): Bind a mid-rule LHS to its rule.
+ Check its rule.
+ * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
+ Use it.
+ * tests/actions.at (Exotic Dollars): Adjust.
+
+2006-01-04 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (grammar_midrule_action): If $$ is set in a
+ mid-rule, move the `used' bit to its lhs.
+ * tests/input.at (Unused values): New.
+ * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
+
2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
+ * doc/bison.texinfo (Bison Options): Say more accurately what
+ --yacc does.
+ * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
+ about declarations in the grammar when in Yacc mode, as POSIX does
+ not require a diagnostic when the grammar uses extensions.
+
+ * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
+
Warn about dubious constructions like "%token T T".
Reported by twlevo.
* src/symtab.h (struct symbol.declared): New member.