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+2009-04-03  Akim Demaille  <demaille@gostai.com>
+
+       Treat %debug as %define debug.
+       * data/bison.m4 (b4_debug_if): New.
+       * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c,
+       * data/lalr1.java: Use it instead of b4_debug_flag.
+       * src/getargs.h, src/getargs.c (debug_flag): Remove.
+       * src/output.c (prepare): Don't output it.
+       * src/parse-gram.y: Treat %debug as %define debug.
+
+2009-04-03  Akim Demaille  <demaille@gostai.com>
+
+       Treat %error-verbose as %define error_verbose.
+       This allows to pass -Derror_verbose on the command line.  Better
+       yet, it allows to pass -Derror_verbose=$(ERROR_VERBOSE), with
+       ERROR_VERBOSE being defined as false or true.
+       * data/bison.m4 (b4_percent_define_if_define): Instead of relying
+       on b4_percent_define_ifdef, for does not check the defined value,
+       but only whether the symbol is defined, rely on
+       b4_percent_define_flag_if, so that a value of "false" is processed
+       as a false.
+       If not defined, define the flag to "false".
+       (b4_error_verbose_if): New.
+       * data/glr.c, data/lalr1.cc, data/yacc.c: Use it instead of
+       b4_error_verbose_flag.
+       * src/getargs.h, src/getargs.c (error_verbose_flag): Remove.
+       * src/output.c (prepare): Don't output it.
+       * src/parse-gram.y (%error-verbose): Treat as %define error_verbose.
+
 2009-04-03  Joel E. Denny  <jdenny@ces.clemson.edu>
 
        Fix strange %define locations for default values.