X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/45319f1365eb8d125424f31401d9d33cc02ff4ad..86e5b4402f4e8ede509a4043420aa6e3d3c6cae2:/src/parse-gram.c

diff --git a/src/parse-gram.c b/src/parse-gram.c
index 17502285..4fef5a2f 100644
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,9 +1,8 @@
-/* A Bison parser, made by GNU Bison 2.4.425-305c-dirty.  */
+/* A Bison parser, made by GNU Bison 2.4.483-4ad39-dirty.  */
 
 /* Implementation for Bison's Yacc-like parsers in C
 
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-   2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989-1990, 2000-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -45,7 +44,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
-#define YYBISON_VERSION "2.4.425-305c-dirty"
+#define YYBISON_VERSION "2.4.483-4ad39-dirty"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
@@ -73,12 +72,11 @@
 #define yylloc          gram_lloc
 
 /* Copy the first part of user declarations.  */
-/* Line 253 of yacc.c  */
+/* Line 252 of yacc.c  */
 #line 1 "src/parse-gram.y"
 /* Bison Grammar Parser                             -*- C -*-
 
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software
-   Foundation, Inc.
+   Copyright (C) 2002-2010 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -128,8 +126,8 @@ static void gram_error (location const *, char const *);
 
 static char const *char_name (char);
 
-/* Line 253 of yacc.c  */
-#line 133 "src/parse-gram.c"
+/* Line 252 of yacc.c  */
+#line 131 "src/parse-gram.c"
 
 /* Enabling traces.  */
 #ifndef YYDEBUG
@@ -150,7 +148,7 @@ static char const *char_name (char);
 #endif
 
 /* "%code requires" blocks.  */
-/* Line 273 of yacc.c  */
+/* Line 272 of yacc.c  */
 #line 201 "src/parse-gram.y"
 
 # ifndef PARAM_TYPE
@@ -165,8 +163,8 @@ static char const *char_name (char);
 # endif
 
 
-/* Line 273 of yacc.c  */
-#line 170 "src/parse-gram.c"
+/* Line 272 of yacc.c  */
+#line 168 "src/parse-gram.c"
 
 /* Tokens.  */
 #ifndef YYTOKENTYPE
@@ -213,19 +211,19 @@ static char const *char_name (char);
      PERCENT_VERBOSE = 293,
      PERCENT_YACC = 294,
      BRACED_CODE = 295,
-     CHAR = 296,
-     EPILOGUE = 297,
-     EQUAL = 298,
-     ID = 299,
-     ID_COLON = 300,
-     PERCENT_PERCENT = 301,
-     PIPE = 302,
-     PROLOGUE = 303,
-     SEMICOLON = 304,
-     TAG = 305,
-     TAG_ANY = 306,
-     TAG_NONE = 307,
-     BRACKETED_ID = 308,
+     BRACKETED_ID = 296,
+     CHAR = 297,
+     EPILOGUE = 298,
+     EQUAL = 299,
+     ID = 300,
+     ID_COLON = 301,
+     PERCENT_PERCENT = 302,
+     PIPE = 303,
+     PROLOGUE = 304,
+     SEMICOLON = 305,
+     TAG = 306,
+     TAG_ANY = 307,
+     TAG_NONE = 308,
      PERCENT_PARAM = 309,
      PERCENT_UNION = 310
    };
@@ -270,19 +268,19 @@ static char const *char_name (char);
 #define PERCENT_VERBOSE 293
 #define PERCENT_YACC 294
 #define BRACED_CODE 295
-#define CHAR 296
-#define EPILOGUE 297
-#define EQUAL 298
-#define ID 299
-#define ID_COLON 300
-#define PERCENT_PERCENT 301
-#define PIPE 302
-#define PROLOGUE 303
-#define SEMICOLON 304
-#define TAG 305
-#define TAG_ANY 306
-#define TAG_NONE 307
-#define BRACKETED_ID 308
+#define BRACKETED_ID 296
+#define CHAR 297
+#define EPILOGUE 298
+#define EQUAL 299
+#define ID 300
+#define ID_COLON 301
+#define PERCENT_PERCENT 302
+#define PIPE 303
+#define PROLOGUE 304
+#define SEMICOLON 305
+#define TAG 306
+#define TAG_ANY 307
+#define TAG_NONE 308
 #define PERCENT_PARAM 309
 #define PERCENT_UNION 310
 
@@ -292,8 +290,8 @@ static char const *char_name (char);
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
 {
-/* Line 278 of yacc.c  */
-#line 88 "src/parse-gram.y"
+/* Line 277 of yacc.c  */
+#line 87 "src/parse-gram.y"
 
   assoc assoc;
   char *code;
@@ -305,14 +303,14 @@ typedef union YYSTYPE
   uniqstr uniqstr;
   unsigned char character;
 
-/* Line 278 of yacc.c  */
+/* Line 277 of yacc.c  */
 #line 225 "src/parse-gram.y"
 
   param_type param;
 
 
-/* Line 278 of yacc.c  */
-#line 316 "src/parse-gram.c"
+/* Line 277 of yacc.c  */
+#line 314 "src/parse-gram.c"
 } YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
@@ -335,11 +333,11 @@ typedef struct YYLTYPE
 
 /* Copy the second part of user declarations.  */
 
-/* Line 328 of yacc.c  */
-#line 340 "src/parse-gram.c"
+/* Line 327 of yacc.c  */
+#line 338 "src/parse-gram.c"
 /* Unqualified %code blocks.  */
-/* Line 329 of yacc.c  */
-#line 56 "src/parse-gram.y"
+/* Line 328 of yacc.c  */
+#line 55 "src/parse-gram.y"
 
   static int current_prec = 0;
   static location current_lhs_location;
@@ -353,7 +351,7 @@ typedef struct YYLTYPE
   #define YYTYPE_UINT16 uint_fast16_t
   #define YYTYPE_UINT8 uint_fast8_t
 
-/* Line 329 of yacc.c  */
+/* Line 328 of yacc.c  */
 #line 214 "src/parse-gram.y"
 
   /** Add a lex-param and/or a parse-param.
@@ -366,8 +364,8 @@ typedef struct YYLTYPE
   static param_type current_param = param_none;
 
 
-/* Line 329 of yacc.c  */
-#line 371 "src/parse-gram.c"
+/* Line 328 of yacc.c  */
+#line 369 "src/parse-gram.c"
 
 #ifdef short
 # undef short
@@ -417,7 +415,7 @@ typedef short int yytype_int16;
 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
 
 #ifndef YY_
-# if YYENABLE_NLS
+# if defined YYENABLE_NLS && YYENABLE_NLS
 #  if ENABLE_NLS
 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
 #   define YY_(msgid) dgettext ("bison-runtime", msgid)
@@ -584,7 +582,7 @@ union yyalloc
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   190
+#define YYLAST   162
 
 /* YYNTOKENS -- Number of terminals.  */
 #define YYNTOKENS  56
@@ -674,10 +672,10 @@ static const char *const yytname[] =
   "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
   "\"%nondeterministic-parser\"", "\"%output\"", "\"%require\"",
   "\"%skeleton\"", "\"%start\"", "\"%token-table\"", "\"%verbose\"",
-  "\"%yacc\"", "\"{...}\"", "\"char\"", "\"epilogue\"", "\"=\"",
-  "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"|\"", "\"%{...%}\"",
-  "\";\"", "\"<tag>\"", "\"<*>\"", "\"<>\"", "\"[identifier]\"",
-  "\"%param\"", "\"%union\"", "$accept", "input", "prologue_declarations",
+  "\"%yacc\"", "\"{...}\"", "\"[identifier]\"", "\"char\"", "\"epilogue\"",
+  "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"|\"",
+  "\"%{...%}\"", "\";\"", "\"<tag>\"", "\"<*>\"", "\"<>\"", "\"%param\"",
+  "\"%union\"", "$accept", "input", "prologue_declarations",
   "prologue_declaration", "$@1", "params", "grammar_declaration",
   "union_name", "symbol_declaration", "$@2", "$@3",
   "precedence_declaration", "precedence_declarator", "tag.opt",
@@ -703,10 +701,10 @@ static const yytype_uint16 yytoknum[] =
 };
 # endif
 
-#define YYPACT_NINF -88
+#define YYPACT_NINF -137
 
 #define yypact_value_is_default(yystate) \
-  ((yystate) == (-88))
+  ((yystate) == (-137))
 
 #define YYTABLE_NINF -109
 
@@ -717,21 +715,21 @@ static const yytype_uint16 yytoknum[] =
      STATE-NUM.    */
 static const yytype_int16 yypact[] =
 {
-     -88,    38,   109,   -88,   -88,   -88,    -8,    13,    41,   -88,
-     -88,   -88,   -88,   -17,   -88,    14,    51,   -88,    53,    78,
-     -88,     2,   -88,    43,    81,    17,   -88,   -88,   -88,    30,
-      82,    83,    36,   -88,   -88,   -88,    58,   -88,   -88,   -88,
-      45,   -88,   -88,   -88,   -88,    40,    -1,    -1,    36,     0,
-       0,   -88,    52,   -88,   -88,   -88,    18,   -88,   -88,   -88,
-     -88,    88,   -88,   -88,   -88,    90,   -88,    92,   -88,   -88,
-     -88,   -88,   -88,   -88,   -88,   -88,    47,   -88,    48,     1,
-     -88,   -88,    46,    60,   -88,    52,   -88,    36,   -88,   -88,
-      -1,    31,    -1,    36,   -88,   -88,   -88,   -88,     0,   -88,
-     -88,     0,   -88,   -88,   -88,   -88,   -88,   -88,   -88,   -88,
-     -88,    56,   -88,   -88,   -88,   -88,   -88,    61,   -88,    36,
-     -88,   100,   -88,   103,   -88,   -88,   -88,   -88,   -88,   -88,
-     -88,   -88,   -88,   -23,   146,   -88,   -88,    36,   104,    57,
-      46,    46,   146,   -88,   -88,   -88,   -88,   -88
+    -137,    20,   106,  -137,  -137,  -137,    19,    -1,    36,  -137,
+    -137,  -137,  -137,    13,  -137,     0,    79,  -137,    89,    90,
+    -137,    41,  -137,    55,    93,    46,  -137,  -137,  -137,    47,
+      94,    95,    35,  -137,  -137,  -137,    16,  -137,  -137,  -137,
+      54,  -137,  -137,  -137,  -137,    49,    33,    33,    35,    12,
+      12,  -137,    61,  -137,  -137,  -137,    29,  -137,  -137,  -137,
+    -137,   100,  -137,  -137,  -137,   101,  -137,   103,  -137,  -137,
+    -137,  -137,  -137,  -137,  -137,  -137,    57,  -137,    58,     1,
+    -137,  -137,    68,    80,  -137,    61,  -137,    35,  -137,  -137,
+      33,    56,    33,    35,  -137,  -137,  -137,  -137,    12,  -137,
+    -137,    12,  -137,  -137,  -137,  -137,  -137,  -137,  -137,  -137,
+    -137,    78,  -137,  -137,  -137,  -137,  -137,    82,  -137,    35,
+    -137,   142,  -137,   144,  -137,  -137,  -137,  -137,  -137,  -137,
+    -137,  -137,  -137,    18,    27,  -137,  -137,    35,   145,    97,
+      68,    68,    27,  -137,  -137,  -137,  -137,  -137
 };
 
   /* YYDEFACT[S] -- default reduction number in state S.  Performed when
@@ -757,12 +755,12 @@ static const yytype_uint8 yydefact[] =
 };
 
   /* YYPGOTO[NTERM-NUM].    */
-static const yytype_int8 yypgoto[] =
+static const yytype_int16 yypgoto[] =
 {
-     -88,   -88,   -88,   -88,   -88,   -88,   107,   -88,   -88,   -88,
-     -88,   -88,   -88,   -88,   -88,    -7,   -88,    73,   -76,   -60,
-      64,   -88,    71,   -88,   -88,   -88,   -11,   -62,   -88,   -88,
-     -37,   -18,   -88,   -32,   -87,   -88
+    -137,  -137,  -137,  -137,  -137,  -137,   148,  -137,  -137,  -137,
+    -137,  -137,  -137,  -137,  -137,    32,  -137,   102,    -9,    -4,
+     107,  -137,    83,  -137,  -137,  -137,    22,  -136,  -137,  -137,
+     -12,   -11,  -137,   -32,   -40,  -137
 };
 
   /* YYDEFGOTO[NTERM-NUM].    */
@@ -779,50 +777,44 @@ static const yytype_int16 yydefgoto[] =
      number is the opposite.  If YYTABLE_NINF, syntax error.    */
 static const yytype_int16 yytable[] =
 {
-      74,  -108,    76,    70,   124,    60,     4,     5,     6,     7,
-       8,     9,    10,    11,    12,   102,    94,    54,    13,    14,
-      64,   103,   126,    51,   135,   126,   136,    52,    91,    91,
-     122,    26,   122,    66,    70,   123,   132,    32,     3,    70,
-      71,    71,    48,    72,    72,    61,    77,   111,   118,    88,
-      95,    96,    97,    49,    57,   121,    40,    58,    55,    76,
-      65,   125,   104,     4,     5,     6,     7,     8,     9,    10,
-      11,    12,    91,    67,    91,    13,    14,    71,   146,   147,
-      72,    50,    59,    62,    63,    68,    69,   121,    26,    84,
-      86,   106,    51,   107,    32,   108,   109,   110,   127,   114,
-     116,   129,   141,    77,   131,   143,    70,   145,   144,    42,
-     141,    92,   130,    40,     4,     5,     6,     7,     8,     9,
-      10,    11,    12,   101,   142,     0,    13,    14,    15,    16,
-      17,    18,    19,    20,    21,    22,    23,    24,    25,    26,
-      27,    28,    29,    30,    31,    32,    33,    34,    35,    70,
-     112,     0,     0,     0,     0,    36,     0,    37,    38,     0,
-     137,   138,   139,    39,    40,     0,     0,     0,     0,     0,
-       0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
-       0,     0,     0,     0,     0,     0,   140,    71,     0,     0,
-      72
+      74,  -108,    76,    54,   146,   147,     4,     5,     6,     7,
+       8,     9,    10,    11,    12,    70,    94,    76,    13,    14,
+       3,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+      70,    26,   103,    13,    14,    91,    91,    32,    70,    49,
+     102,   137,   138,   139,    60,    55,    26,    77,   111,    64,
+      66,   124,    32,    51,    71,   121,    40,    72,    52,    70,
+     123,   125,    77,    95,    96,    97,   135,   140,   136,    71,
+      48,    40,    72,   118,   104,    71,    50,    71,    72,    91,
+      72,    91,    57,   132,    88,    61,   122,   121,   122,   126,
+      65,    67,   126,    58,    59,    62,    63,    68,    69,    84,
+      86,    51,   141,   106,   107,   143,   108,   109,   110,   114,
+     141,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+     116,   127,   129,    13,    14,    15,    16,    17,    18,    19,
+      20,    21,    22,    23,    24,    25,    26,    27,    28,    29,
+      30,    31,    32,    33,    34,    35,   131,    70,   145,   144,
+      42,   130,   101,    36,    92,    37,    38,   142,     0,     0,
+      39,    40,   112
 };
 
 static const yytype_int16 yycheck[] =
 {
-      32,     0,     1,     3,    91,     3,     5,     6,     7,     8,
-       9,    10,    11,    12,    13,    52,    48,     3,    17,    18,
-       3,     3,    98,    40,    47,   101,    49,    44,    46,    47,
-      90,    30,    92,     3,     3,     4,   123,    36,     0,     3,
-      41,    41,    50,    44,    44,    43,    45,    46,    85,    50,
-      50,    51,    52,    40,     3,    87,    55,     4,    44,     1,
-      43,    93,    44,     5,     6,     7,     8,     9,    10,    11,
-      12,    13,    90,    43,    92,    17,    18,    41,   140,   141,
-      44,    40,     4,    40,     3,     3,     3,   119,    30,    44,
-      50,     3,    40,     3,    36,     3,    49,    49,    42,    53,
-      40,    40,   134,    45,     4,   137,     3,    50,     4,     2,
-     142,    47,   119,    55,     5,     6,     7,     8,     9,    10,
-      11,    12,    13,    50,   135,    -1,    17,    18,    19,    20,
-      21,    22,    23,    24,    25,    26,    27,    28,    29,    30,
-      31,    32,    33,    34,    35,    36,    37,    38,    39,     3,
-      79,    -1,    -1,    -1,    -1,    46,    -1,    48,    49,    -1,
-      14,    15,    16,    54,    55,    -1,    -1,    -1,    -1,    -1,
-      -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,
-      -1,    -1,    -1,    -1,    -1,    -1,    40,    41,    -1,    -1,
-      44
+      32,     0,     1,     3,   140,   141,     5,     6,     7,     8,
+       9,    10,    11,    12,    13,     3,    48,     1,    17,    18,
+       0,     5,     6,     7,     8,     9,    10,    11,    12,    13,
+       3,    30,     3,    17,    18,    46,    47,    36,     3,    40,
+      52,    14,    15,    16,     3,    45,    30,    46,    47,     3,
+       3,    91,    36,    40,    42,    87,    55,    45,    45,     3,
+       4,    93,    46,    51,    52,    53,    48,    40,    50,    42,
+      51,    55,    45,    85,    45,    42,    40,    42,    45,    90,
+      45,    92,     3,   123,    51,    44,    90,   119,    92,    98,
+      44,    44,   101,     4,     4,    40,     3,     3,     3,    45,
+      51,    40,   134,     3,     3,   137,     3,    50,    50,    41,
+     142,     5,     6,     7,     8,     9,    10,    11,    12,    13,
+      40,    43,    40,    17,    18,    19,    20,    21,    22,    23,
+      24,    25,    26,    27,    28,    29,    30,    31,    32,    33,
+      34,    35,    36,    37,    38,    39,     4,     3,    51,     4,
+       2,   119,    50,    47,    47,    49,    50,   135,    -1,    -1,
+      54,    55,    79
 };
 
   /* STOS_[STATE-NUM] -- The (internal number of the) accessing
@@ -832,18 +824,18 @@ static const yytype_uint8 yystos[] =
        0,    57,    58,     0,     5,     6,     7,     8,     9,    10,
       11,    12,    13,    17,    18,    19,    20,    21,    22,    23,
       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,
-      34,    35,    36,    37,    38,    39,    46,    48,    49,    54,
-      55,    59,    62,    64,    67,    68,    66,    65,    50,    40,
-      40,    40,    44,    86,     3,    44,    84,     3,     4,     4,
-       3,    43,    40,     3,     3,    43,     3,    43,     3,     3,
-       3,    41,    44,    87,    89,    90,     1,    45,    62,    77,
-      78,    79,    88,    60,    44,    63,    50,    69,    50,    75,
-      76,    87,    76,    72,    89,    50,    51,    52,    73,    74,
-      89,    73,    86,     3,    44,    85,     3,     3,     3,    49,
-      49,    46,    78,    91,    53,    83,    40,    61,    86,    70,
-      71,    89,    75,     4,    90,    89,    74,    42,    80,    40,
-      71,     4,    90,    81,    82,    47,    49,    14,    15,    16,
-      40,    89,    82,    89,     4,    50,    83,    83
+      34,    35,    36,    37,    38,    39,    47,    49,    50,    54,
+      55,    59,    62,    64,    67,    68,    66,    65,    51,    40,
+      40,    40,    45,    86,     3,    45,    84,     3,     4,     4,
+       3,    44,    40,     3,     3,    44,     3,    44,     3,     3,
+       3,    42,    45,    87,    89,    90,     1,    46,    62,    77,
+      78,    79,    88,    60,    45,    63,    51,    69,    51,    75,
+      76,    87,    76,    72,    89,    51,    52,    53,    73,    74,
+      89,    73,    86,     3,    45,    85,     3,     3,     3,    50,
+      50,    47,    78,    91,    41,    83,    40,    61,    86,    70,
+      71,    89,    75,     4,    90,    89,    74,    43,    80,    40,
+      71,     4,    90,    81,    82,    48,    50,    14,    15,    16,
+      40,    89,    82,    89,     4,    51,    83,    83
 };
 
   /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.    */
@@ -891,9 +883,18 @@ static const yytype_uint8 yyr2[] =
 
 /* Like YYERROR except do call yyerror.  This remains here temporarily
    to ease the transition to the new meaning of YYERROR, for GCC.
-   Once GCC version 2 has supplanted version 1, this can go.  */
+   Once GCC version 2 has supplanted version 1, this can go.  However,
+   YYFAIL appears to be in use.  Nevertheless, it is formally deprecated
+   in Bison 2.4.2's NEWS entry, where a plan to phase it out is
+   discussed.  */
 
 #define YYFAIL		goto yyerrlab
+#if defined YYFAIL
+  /* This is here to suppress warnings from the GCC cpp's
+     -Wunused-macros.  Normally we don't worry about that warning, but
+     some users do, and we want to make it easy for users to remove
+     YYFAIL uses, which will produce warnings from Bison 2.5.  */
+#endif
 
 #define YYRECOVERING()  (!!yyerrstatus)
 
@@ -903,7 +904,6 @@ do								\
     {								\
       yychar = (Token);						\
       yylval = (Value);						\
-      yytoken = YYTRANSLATE (yychar);				\
       YYPOPSTACK (1);						\
       goto yybackup;						\
     }								\
@@ -950,7 +950,7 @@ while (YYID (0))
    we won't break user code: when these are the locations we know.  */
 
 #ifndef YY_LOCATION_PRINT
-# if YYLTYPE_IS_TRIVIAL
+# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
 #  define YY_LOCATION_PRINT(File, Loc)			\
      fprintf (File, "%d.%d-%d.%d",			\
 	      (Loc).first_line, (Loc).first_column,	\
@@ -1026,97 +1026,106 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
     {
             case 3: // "string"
 
-/* Line 715 of yacc.c  */
-#line 175 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 174 "src/parse-gram.y"
         { fputs (quotearg_style (c_quoting_style, ((*yyvaluep).chars)), stderr); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
 #line 1034 "src/parse-gram.c"
         break;
 
             case 4: // "integer"
 
-/* Line 715 of yacc.c  */
-#line 188 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 187 "src/parse-gram.y"
         { fprintf (stderr, "%d", ((*yyvaluep).integer)); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
 #line 1043 "src/parse-gram.c"
         break;
 
             case 24: // "%<flag>"
 
-/* Line 715 of yacc.c  */
-#line 184 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 183 "src/parse-gram.y"
         { fprintf (stderr, "%%%s", ((*yyvaluep).uniqstr)); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
 #line 1052 "src/parse-gram.c"
         break;
 
             case 40: // "{...}"
 
-/* Line 715 of yacc.c  */
-#line 177 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 176 "src/parse-gram.y"
         { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).code)); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
 #line 1061 "src/parse-gram.c"
         break;
 
-            case 41: // "char"
+            case 41: // "[identifier]"
 
-/* Line 715 of yacc.c  */
-#line 169 "src/parse-gram.y"
-        { fputs (char_name (((*yyvaluep).character)), stderr); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
+#line 181 "src/parse-gram.y"
+        { fprintf (stderr, "[%s]", ((*yyvaluep).uniqstr)); }
+/* Line 729 of yacc.c  */
 #line 1070 "src/parse-gram.c"
         break;
 
-            case 42: // "epilogue"
+            case 42: // "char"
 
-/* Line 715 of yacc.c  */
-#line 177 "src/parse-gram.y"
-        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
+#line 168 "src/parse-gram.y"
+        { fputs (char_name (((*yyvaluep).character)), stderr); }
+/* Line 729 of yacc.c  */
 #line 1079 "src/parse-gram.c"
         break;
 
-            case 44: // "identifier"
+            case 43: // "epilogue"
 
-/* Line 715 of yacc.c  */
-#line 182 "src/parse-gram.y"
-        { fputs (((*yyvaluep).uniqstr), stderr); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
+#line 176 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 729 of yacc.c  */
 #line 1088 "src/parse-gram.c"
         break;
 
-            case 45: // "identifier:"
+            case 45: // "identifier"
 
-/* Line 715 of yacc.c  */
-#line 183 "src/parse-gram.y"
-        { fprintf (stderr, "%s:", ((*yyvaluep).uniqstr)); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
+#line 180 "src/parse-gram.y"
+        { fputs (((*yyvaluep).uniqstr), stderr); }
+/* Line 729 of yacc.c  */
 #line 1097 "src/parse-gram.c"
         break;
 
-            case 48: // "%{...%}"
+            case 46: // "identifier:"
 
-/* Line 715 of yacc.c  */
-#line 177 "src/parse-gram.y"
-        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
+#line 182 "src/parse-gram.y"
+        { fprintf (stderr, "%s:", ((*yyvaluep).uniqstr)); }
+/* Line 729 of yacc.c  */
 #line 1106 "src/parse-gram.c"
         break;
 
-            case 50: // "<tag>"
+            case 49: // "%{...%}"
 
-/* Line 715 of yacc.c  */
-#line 185 "src/parse-gram.y"
-        { fprintf (stderr, "<%s>", ((*yyvaluep).uniqstr)); }
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
+#line 176 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 729 of yacc.c  */
 #line 1115 "src/parse-gram.c"
+        break;
+
+            case 51: // "<tag>"
+
+/* Line 729 of yacc.c  */
+#line 184 "src/parse-gram.y"
+        { fprintf (stderr, "<%s>", ((*yyvaluep).uniqstr)); }
+/* Line 729 of yacc.c  */
+#line 1124 "src/parse-gram.c"
         break;
 
             case 54: // "%param"
 
-/* Line 715 of yacc.c  */
+/* Line 729 of yacc.c  */
 #line 230 "src/parse-gram.y"
         {
   switch (((*yyvaluep).param))
@@ -1130,71 +1139,80 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
       case param_none: aver (false); break;
     }
 }
-/* Line 715 of yacc.c  */
-#line 1135 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1144 "src/parse-gram.c"
+        break;
+
+            case 71: // symbol.prec
+
+/* Line 729 of yacc.c  */
+#line 190 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 729 of yacc.c  */
+#line 1153 "src/parse-gram.c"
         break;
 
             case 84: // variable
 
-/* Line 715 of yacc.c  */
-#line 182 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 180 "src/parse-gram.y"
         { fputs (((*yyvaluep).uniqstr), stderr); }
-/* Line 715 of yacc.c  */
-#line 1144 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1162 "src/parse-gram.c"
         break;
 
             case 85: // content.opt
 
-/* Line 715 of yacc.c  */
-#line 177 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 176 "src/parse-gram.y"
         { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
-/* Line 715 of yacc.c  */
-#line 1153 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1171 "src/parse-gram.c"
         break;
 
             case 86: // braceless
 
-/* Line 715 of yacc.c  */
-#line 177 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 176 "src/parse-gram.y"
         { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
-/* Line 715 of yacc.c  */
-#line 1162 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1180 "src/parse-gram.c"
         break;
 
             case 87: // id
 
-/* Line 715 of yacc.c  */
-#line 191 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 190 "src/parse-gram.y"
         { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
-/* Line 715 of yacc.c  */
-#line 1171 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1189 "src/parse-gram.c"
         break;
 
             case 88: // id_colon
 
-/* Line 715 of yacc.c  */
-#line 192 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 191 "src/parse-gram.y"
         { fprintf (stderr, "%s:", ((*yyvaluep).symbol)->tag); }
-/* Line 715 of yacc.c  */
-#line 1180 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1198 "src/parse-gram.c"
         break;
 
             case 89: // symbol
 
-/* Line 715 of yacc.c  */
-#line 191 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 190 "src/parse-gram.y"
         { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
-/* Line 715 of yacc.c  */
-#line 1189 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1207 "src/parse-gram.c"
         break;
 
             case 90: // string_as_id
 
-/* Line 715 of yacc.c  */
-#line 191 "src/parse-gram.y"
+/* Line 729 of yacc.c  */
+#line 190 "src/parse-gram.y"
         { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
-/* Line 715 of yacc.c  */
-#line 1198 "src/parse-gram.c"
+/* Line 729 of yacc.c  */
+#line 1216 "src/parse-gram.c"
         break;
 
       default:
@@ -1670,7 +1688,7 @@ YYLTYPE yylloc;
     YYLTYPE *yylsp;
 
     /* The locations where the error started and ended.  */
-    YYLTYPE yyerror_range[2];
+    YYLTYPE yyerror_range[3];
 
     YYSIZE_T yystacksize;
 
@@ -1717,23 +1735,23 @@ YYLTYPE yylloc;
   yyvsp = yyvs;
   yylsp = yyls;
 
-#if YYLTYPE_IS_TRIVIAL
+#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;
   yylloc.first_column = yylloc.last_column = 1;
 #endif
 
 /* User initialization code.  */
-/* Line 1200 of yacc.c  */
-#line 80 "src/parse-gram.y"
+/* Line 1214 of yacc.c  */
+#line 79 "src/parse-gram.y"
 {
   /* Bison's grammar can initial empty locations, hence a default
      location is needed. */
   boundary_set (&yylloc.start, current_file, 1, 1);
   boundary_set (&yylloc.end, current_file, 1, 1);
 }
-/* Line 1200 of yacc.c  */
-#line 1737 "src/parse-gram.c"
+/* Line 1214 of yacc.c  */
+#line 1755 "src/parse-gram.c"
   yylsp[0] = yylloc;
 
   goto yysetstate;
@@ -1919,7 +1937,7 @@ yyreduce:
   switch (yyn)
     {
         case 6:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 266 "src/parse-gram.y"
     {
       code_props plain_code;
@@ -1930,106 +1948,106 @@ yyreduce:
                         plain_code.code, (yylsp[0]));
       code_scanner_last_string_free ();
     }
-/* Line 1413 of yacc.c  */
-#line 1935 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 1953 "src/parse-gram.c"
     break;
 
   case 7:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 276 "src/parse-gram.y"
     {
       muscle_percent_define_ensure ((yyvsp[0].uniqstr), (yylsp[0]), true);
     }
-/* Line 1413 of yacc.c  */
-#line 1945 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 1963 "src/parse-gram.c"
     break;
 
   case 8:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 280 "src/parse-gram.y"
     {
       muscle_percent_define_insert ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars),
                                     MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
     }
-/* Line 1413 of yacc.c  */
-#line 1956 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 1974 "src/parse-gram.c"
     break;
 
   case 9:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 284 "src/parse-gram.y"
     { defines_flag = true; }
-/* Line 1413 of yacc.c  */
-#line 1964 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 1982 "src/parse-gram.c"
     break;
 
   case 10:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 286 "src/parse-gram.y"
     {
       defines_flag = true;
       spec_defines_file = xstrdup ((yyvsp[0].chars));
     }
-/* Line 1413 of yacc.c  */
-#line 1975 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 1993 "src/parse-gram.c"
     break;
 
   case 11:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 291 "src/parse-gram.y"
     {
       muscle_percent_define_insert ("parse.error", (yylsp[0]), "verbose",
                                     MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
     }
-/* Line 1413 of yacc.c  */
-#line 1986 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2004 "src/parse-gram.c"
     break;
 
   case 12:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 295 "src/parse-gram.y"
     { expected_sr_conflicts = (yyvsp[0].integer); }
-/* Line 1413 of yacc.c  */
-#line 1994 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2012 "src/parse-gram.c"
     break;
 
   case 13:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 296 "src/parse-gram.y"
     { expected_rr_conflicts = (yyvsp[0].integer); }
-/* Line 1413 of yacc.c  */
-#line 2002 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2020 "src/parse-gram.c"
     break;
 
   case 14:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 297 "src/parse-gram.y"
     { spec_file_prefix = (yyvsp[0].chars); }
-/* Line 1413 of yacc.c  */
-#line 2010 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2028 "src/parse-gram.c"
     break;
 
   case 15:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 298 "src/parse-gram.y"
     { spec_file_prefix = (yyvsp[0].chars); }
-/* Line 1413 of yacc.c  */
-#line 2018 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2036 "src/parse-gram.c"
     break;
 
   case 16:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 300 "src/parse-gram.y"
     {
       nondeterministic_parser = true;
       glr_parser = true;
     }
-/* Line 1413 of yacc.c  */
-#line 2029 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2047 "src/parse-gram.c"
     break;
 
   case 17:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 305 "src/parse-gram.y"
     {
       code_props action;
@@ -2039,92 +2057,92 @@ yyreduce:
       muscle_code_grow ("initial_action", action.code, (yylsp[0]));
       code_scanner_last_string_free ();
     }
-/* Line 1413 of yacc.c  */
-#line 2044 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2062 "src/parse-gram.c"
     break;
 
   case 18:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 313 "src/parse-gram.y"
     { language_argmatch ((yyvsp[0].chars), grammar_prio, (yylsp[-1])); }
-/* Line 1413 of yacc.c  */
-#line 2052 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2070 "src/parse-gram.c"
     break;
 
   case 19:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 314 "src/parse-gram.y"
     { spec_name_prefix = (yyvsp[0].chars); }
-/* Line 1413 of yacc.c  */
-#line 2060 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2078 "src/parse-gram.c"
     break;
 
   case 20:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 315 "src/parse-gram.y"
     { spec_name_prefix = (yyvsp[0].chars); }
-/* Line 1413 of yacc.c  */
-#line 2068 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2086 "src/parse-gram.c"
     break;
 
   case 21:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 316 "src/parse-gram.y"
     { no_lines_flag = true; }
-/* Line 1413 of yacc.c  */
-#line 2076 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2094 "src/parse-gram.c"
     break;
 
   case 22:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 317 "src/parse-gram.y"
     { nondeterministic_parser = true; }
-/* Line 1413 of yacc.c  */
-#line 2084 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2102 "src/parse-gram.c"
     break;
 
   case 23:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 318 "src/parse-gram.y"
     { spec_outfile = (yyvsp[0].chars); }
-/* Line 1413 of yacc.c  */
-#line 2092 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2110 "src/parse-gram.c"
     break;
 
   case 24:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 319 "src/parse-gram.y"
     { spec_outfile = (yyvsp[0].chars); }
-/* Line 1413 of yacc.c  */
-#line 2100 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2118 "src/parse-gram.c"
     break;
 
   case 25:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 320 "src/parse-gram.y"
     { current_param = (yyvsp[0].param); }
-/* Line 1413 of yacc.c  */
-#line 2108 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2126 "src/parse-gram.c"
     break;
 
   case 26:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 320 "src/parse-gram.y"
     { current_param = param_none; }
-/* Line 1413 of yacc.c  */
-#line 2116 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2134 "src/parse-gram.c"
     break;
 
   case 27:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 321 "src/parse-gram.y"
     { version_check (&(yylsp[0]), (yyvsp[0].chars)); }
-/* Line 1413 of yacc.c  */
-#line 2124 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2142 "src/parse-gram.c"
     break;
 
   case 28:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 323 "src/parse-gram.y"
     {
       char const *skeleton_user = (yyvsp[0].chars);
@@ -2149,62 +2167,62 @@ yyreduce:
         }
       skeleton_arg (skeleton_user, grammar_prio, (yylsp[-1]));
     }
-/* Line 1413 of yacc.c  */
-#line 2154 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2172 "src/parse-gram.c"
     break;
 
   case 29:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 346 "src/parse-gram.y"
     { token_table_flag = true; }
-/* Line 1413 of yacc.c  */
-#line 2162 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2180 "src/parse-gram.c"
     break;
 
   case 30:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 347 "src/parse-gram.y"
     { report_flag |= report_states; }
-/* Line 1413 of yacc.c  */
-#line 2170 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2188 "src/parse-gram.c"
     break;
 
   case 31:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 348 "src/parse-gram.y"
     { yacc_flag = true; }
-/* Line 1413 of yacc.c  */
-#line 2178 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2196 "src/parse-gram.c"
     break;
 
   case 33:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 353 "src/parse-gram.y"
     { add_param (current_param, (yyvsp[0].code), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2186 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2204 "src/parse-gram.c"
     break;
 
   case 34:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 354 "src/parse-gram.y"
     { add_param (current_param, (yyvsp[0].code), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2194 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2212 "src/parse-gram.c"
     break;
 
   case 37:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 366 "src/parse-gram.y"
     {
       grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0]));
     }
-/* Line 1413 of yacc.c  */
-#line 2204 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2222 "src/parse-gram.c"
     break;
 
   case 38:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 370 "src/parse-gram.y"
     {
       symbol_list *list;
@@ -2212,12 +2230,12 @@ yyreduce:
 	symbol_list_destructor_set (list, (yyvsp[-1].code), (yylsp[-1]));
       symbol_list_free ((yyvsp[0].list));
     }
-/* Line 1413 of yacc.c  */
-#line 2217 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2235 "src/parse-gram.c"
     break;
 
   case 39:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 377 "src/parse-gram.y"
     {
       symbol_list *list;
@@ -2225,32 +2243,32 @@ yyreduce:
 	symbol_list_printer_set (list, (yyvsp[-1].code), (yylsp[-1]));
       symbol_list_free ((yyvsp[0].list));
     }
-/* Line 1413 of yacc.c  */
-#line 2230 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2248 "src/parse-gram.c"
     break;
 
   case 40:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 384 "src/parse-gram.y"
     {
       default_prec = true;
     }
-/* Line 1413 of yacc.c  */
-#line 2240 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2258 "src/parse-gram.c"
     break;
 
   case 41:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 388 "src/parse-gram.y"
     {
       default_prec = false;
     }
-/* Line 1413 of yacc.c  */
-#line 2250 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2268 "src/parse-gram.c"
     break;
 
   case 42:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 392 "src/parse-gram.y"
     {
       /* Do not invoke muscle_percent_code_grow here since it invokes
@@ -2258,89 +2276,89 @@ yyreduce:
       muscle_code_grow ("percent_code()", (yyvsp[0].chars), (yylsp[0]));
       code_scanner_last_string_free ();
     }
-/* Line 1413 of yacc.c  */
-#line 2263 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2281 "src/parse-gram.c"
     break;
 
   case 43:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 399 "src/parse-gram.y"
     {
       muscle_percent_code_grow ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars), (yylsp[0]));
       code_scanner_last_string_free ();
     }
-/* Line 1413 of yacc.c  */
-#line 2274 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2292 "src/parse-gram.c"
     break;
 
   case 44:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 413 "src/parse-gram.y"
     {}
-/* Line 1413 of yacc.c  */
-#line 2282 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2300 "src/parse-gram.c"
     break;
 
   case 45:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 414 "src/parse-gram.y"
     { muscle_code_grow ("union_name", (yyvsp[0].uniqstr), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2290 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2308 "src/parse-gram.c"
     break;
 
   case 46:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 419 "src/parse-gram.y"
     {
       union_seen = true;
       muscle_code_grow ("stype", (yyvsp[0].chars), (yylsp[0]));
       code_scanner_last_string_free ();
     }
-/* Line 1413 of yacc.c  */
-#line 2302 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2320 "src/parse-gram.c"
     break;
 
   case 47:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 430 "src/parse-gram.y"
     { current_class = nterm_sym; }
-/* Line 1413 of yacc.c  */
-#line 2310 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2328 "src/parse-gram.c"
     break;
 
   case 48:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 431 "src/parse-gram.y"
     {
       current_class = unknown_sym;
       current_type = NULL;
     }
-/* Line 1413 of yacc.c  */
-#line 2321 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2339 "src/parse-gram.c"
     break;
 
   case 49:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 435 "src/parse-gram.y"
     { current_class = token_sym; }
-/* Line 1413 of yacc.c  */
-#line 2329 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2347 "src/parse-gram.c"
     break;
 
   case 50:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 436 "src/parse-gram.y"
     {
       current_class = unknown_sym;
       current_type = NULL;
     }
-/* Line 1413 of yacc.c  */
-#line 2340 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2358 "src/parse-gram.c"
     break;
 
   case 51:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 441 "src/parse-gram.y"
     {
       symbol_list *list;
@@ -2349,12 +2367,12 @@ yyreduce:
 	symbol_type_set (list->content.sym, (yyvsp[-1].uniqstr), (yylsp[-1]));
       symbol_list_free ((yyvsp[0].list));
     }
-/* Line 1413 of yacc.c  */
-#line 2354 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2372 "src/parse-gram.c"
     break;
 
   case 52:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 452 "src/parse-gram.y"
     {
       symbol_list *list;
@@ -2367,202 +2385,202 @@ yyreduce:
       symbol_list_free ((yyvsp[0].list));
       current_type = NULL;
     }
-/* Line 1413 of yacc.c  */
-#line 2372 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2390 "src/parse-gram.c"
     break;
 
   case 53:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 466 "src/parse-gram.y"
     { (yyval.assoc) = left_assoc; }
-/* Line 1413 of yacc.c  */
-#line 2380 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2398 "src/parse-gram.c"
     break;
 
   case 54:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 467 "src/parse-gram.y"
     { (yyval.assoc) = right_assoc; }
-/* Line 1413 of yacc.c  */
-#line 2388 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2406 "src/parse-gram.c"
     break;
 
   case 55:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 468 "src/parse-gram.y"
     { (yyval.assoc) = non_assoc; }
-/* Line 1413 of yacc.c  */
-#line 2396 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2414 "src/parse-gram.c"
     break;
 
   case 56:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 469 "src/parse-gram.y"
     { (yyval.assoc) = precedence_assoc; }
-/* Line 1413 of yacc.c  */
-#line 2404 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2422 "src/parse-gram.c"
     break;
 
   case 57:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 473 "src/parse-gram.y"
     { current_type = NULL; }
-/* Line 1413 of yacc.c  */
-#line 2412 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2430 "src/parse-gram.c"
     break;
 
   case 58:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 474 "src/parse-gram.y"
     { current_type = (yyvsp[0].uniqstr); tag_seen = true; }
-/* Line 1413 of yacc.c  */
-#line 2420 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2438 "src/parse-gram.c"
     break;
 
   case 59:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 480 "src/parse-gram.y"
     { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2428 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2446 "src/parse-gram.c"
     break;
 
   case 60:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 482 "src/parse-gram.y"
     { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
-/* Line 1413 of yacc.c  */
-#line 2436 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2454 "src/parse-gram.c"
     break;
 
   case 61:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 486 "src/parse-gram.y"
     { (yyval.symbol) = (yyvsp[0].symbol); }
-/* Line 1413 of yacc.c  */
-#line 2444 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2462 "src/parse-gram.c"
     break;
 
   case 62:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 487 "src/parse-gram.y"
     { (yyval.symbol) = (yyvsp[-1].symbol); symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2452 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2470 "src/parse-gram.c"
     break;
 
   case 63:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 493 "src/parse-gram.y"
     { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2460 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2478 "src/parse-gram.c"
     break;
 
   case 64:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 495 "src/parse-gram.y"
     { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
-/* Line 1413 of yacc.c  */
-#line 2468 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2486 "src/parse-gram.c"
     break;
 
   case 65:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 499 "src/parse-gram.y"
     { (yyval.list) = (yyvsp[0].list); }
-/* Line 1413 of yacc.c  */
-#line 2476 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2494 "src/parse-gram.c"
     break;
 
   case 66:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 500 "src/parse-gram.y"
     { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].list)); }
-/* Line 1413 of yacc.c  */
-#line 2484 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2502 "src/parse-gram.c"
     break;
 
   case 67:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 504 "src/parse-gram.y"
     { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2492 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2510 "src/parse-gram.c"
     break;
 
   case 68:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 505 "src/parse-gram.y"
     { (yyval.list) = symbol_list_type_new ((yyvsp[0].uniqstr), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2500 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2518 "src/parse-gram.c"
     break;
 
   case 69:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 506 "src/parse-gram.y"
     { (yyval.list) = symbol_list_default_tagged_new ((yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2508 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2526 "src/parse-gram.c"
     break;
 
   case 70:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 507 "src/parse-gram.y"
     { (yyval.list) = symbol_list_default_tagless_new ((yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2516 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2534 "src/parse-gram.c"
     break;
 
   case 71:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 513 "src/parse-gram.y"
     {
        current_type = (yyvsp[0].uniqstr);
        tag_seen = true;
      }
-/* Line 1413 of yacc.c  */
-#line 2527 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2545 "src/parse-gram.c"
     break;
 
   case 72:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 518 "src/parse-gram.y"
     {
        symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]), true);
        symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0]));
      }
-/* Line 1413 of yacc.c  */
-#line 2538 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2556 "src/parse-gram.c"
     break;
 
   case 73:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 523 "src/parse-gram.y"
     {
       symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]), true);
       symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
       symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0]));
     }
-/* Line 1413 of yacc.c  */
-#line 2550 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2568 "src/parse-gram.c"
     break;
 
   case 74:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 529 "src/parse-gram.y"
     {
       symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]), true);
       symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
       symbol_make_alias ((yyvsp[-1].symbol), (yyvsp[0].symbol), (yyloc));
     }
-/* Line 1413 of yacc.c  */
-#line 2562 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2580 "src/parse-gram.c"
     break;
 
   case 75:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 535 "src/parse-gram.y"
     {
       symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2]), true);
@@ -2570,136 +2588,136 @@ yyreduce:
       symbol_user_token_number_set ((yyvsp[-2].symbol), (yyvsp[-1].integer), (yylsp[-1]));
       symbol_make_alias ((yyvsp[-2].symbol), (yyvsp[0].symbol), (yyloc));
     }
-/* Line 1413 of yacc.c  */
-#line 2575 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2593 "src/parse-gram.c"
     break;
 
   case 82:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 565 "src/parse-gram.y"
     {
       yyerrok;
     }
-/* Line 1413 of yacc.c  */
-#line 2585 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2603 "src/parse-gram.c"
     break;
 
   case 83:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 571 "src/parse-gram.y"
     { current_lhs = (yyvsp[-1].symbol); current_lhs_location = (yylsp[-1]);
     current_lhs_named_ref = (yyvsp[0].named_ref); }
-/* Line 1413 of yacc.c  */
-#line 2594 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2612 "src/parse-gram.c"
     break;
 
   case 85:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 576 "src/parse-gram.y"
     { grammar_current_rule_end ((yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2602 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2620 "src/parse-gram.c"
     break;
 
   case 86:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 577 "src/parse-gram.y"
     { grammar_current_rule_end ((yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2610 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2628 "src/parse-gram.c"
     break;
 
   case 88:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 583 "src/parse-gram.y"
     { grammar_current_rule_begin (current_lhs, current_lhs_location,
 				  current_lhs_named_ref); }
-/* Line 1413 of yacc.c  */
-#line 2619 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2637 "src/parse-gram.c"
     break;
 
   case 89:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 586 "src/parse-gram.y"
     { grammar_current_rule_symbol_append ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); }
-/* Line 1413 of yacc.c  */
-#line 2627 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2645 "src/parse-gram.c"
     break;
 
   case 90:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 588 "src/parse-gram.y"
     { grammar_current_rule_action_append ((yyvsp[-1].code), (yylsp[-1]), (yyvsp[0].named_ref)); }
-/* Line 1413 of yacc.c  */
-#line 2635 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2653 "src/parse-gram.c"
     break;
 
   case 91:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 590 "src/parse-gram.y"
     { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2643 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2661 "src/parse-gram.c"
     break;
 
   case 92:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 592 "src/parse-gram.y"
     { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2651 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2669 "src/parse-gram.c"
     break;
 
   case 93:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 594 "src/parse-gram.y"
     { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2659 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2677 "src/parse-gram.c"
     break;
 
   case 94:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 598 "src/parse-gram.y"
     { (yyval.named_ref) = 0; }
-/* Line 1413 of yacc.c  */
-#line 2667 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2685 "src/parse-gram.c"
     break;
 
   case 95:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 600 "src/parse-gram.y"
     { (yyval.named_ref) = named_ref_new((yyvsp[0].uniqstr), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2675 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2693 "src/parse-gram.c"
     break;
 
   case 97:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 612 "src/parse-gram.y"
     { (yyval.uniqstr) = uniqstr_new ((yyvsp[0].chars)); }
-/* Line 1413 of yacc.c  */
-#line 2683 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2701 "src/parse-gram.c"
     break;
 
   case 98:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 617 "src/parse-gram.y"
     { (yyval.chars) = ""; }
-/* Line 1413 of yacc.c  */
-#line 2691 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2709 "src/parse-gram.c"
     break;
 
   case 99:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 618 "src/parse-gram.y"
     { (yyval.chars) = (yyvsp[0].uniqstr); }
-/* Line 1413 of yacc.c  */
-#line 2699 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2717 "src/parse-gram.c"
     break;
 
   case 101:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 629 "src/parse-gram.y"
     {
       code_props plain_code;
@@ -2709,51 +2727,51 @@ yyreduce:
       gram_scanner_last_string_free ();
       (yyval.chars) = plain_code.code;
     }
-/* Line 1413 of yacc.c  */
-#line 2714 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2732 "src/parse-gram.c"
     break;
 
   case 102:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 649 "src/parse-gram.y"
     { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2722 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2740 "src/parse-gram.c"
     break;
 
   case 103:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 651 "src/parse-gram.y"
     {
       (yyval.symbol) = symbol_get (char_name ((yyvsp[0].character)), (yylsp[0]));
       symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]), false);
       symbol_user_token_number_set ((yyval.symbol), (yyvsp[0].character), (yylsp[0]));
     }
-/* Line 1413 of yacc.c  */
-#line 2734 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2752 "src/parse-gram.c"
     break;
 
   case 104:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 659 "src/parse-gram.y"
     { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
-/* Line 1413 of yacc.c  */
-#line 2742 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2760 "src/parse-gram.c"
     break;
 
   case 107:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 671 "src/parse-gram.y"
     {
       (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0]));
       symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]), false);
     }
-/* Line 1413 of yacc.c  */
-#line 2753 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2771 "src/parse-gram.c"
     break;
 
   case 109:
-/* Line 1413 of yacc.c  */
+/* Line 1427 of yacc.c  */
 #line 680 "src/parse-gram.y"
     {
       code_props plain_code;
@@ -2763,15 +2781,26 @@ yyreduce:
       muscle_code_grow ("epilogue", plain_code.code, (yylsp[0]));
       code_scanner_last_string_free ();
     }
-/* Line 1413 of yacc.c  */
-#line 2768 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2786 "src/parse-gram.c"
     break;
 
 
-/* Line 1413 of yacc.c  */
-#line 2773 "src/parse-gram.c"
+/* Line 1427 of yacc.c  */
+#line 2791 "src/parse-gram.c"
       default: break;
     }
+  /* User semantic actions sometimes alter yychar, and that requires
+     that yytoken be updated with the new translation.  We take the
+     approach of translating immediately before every use of yytoken.
+     One alternative is translating here after every semantic action,
+     but that translation would be missed if the semantic action invokes
+     YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
+     if it invokes YYBACKUP.  In the case of YYABORT or YYACCEPT, an
+     incorrect destructor might then be invoked immediately.  In the
+     case of YYERROR or YYBACKUP, subsequent parser actions might lead
+     to an incorrect destructor call or verbose syntax error message
+     before the lookahead is translated.  */
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
 
   YYPOPSTACK (yylen);
@@ -2800,6 +2829,10 @@ yyreduce:
 | yyerrlab -- here on detecting error |
 `------------------------------------*/
 yyerrlab:
+  /* Make sure we have latest lookahead translation.  See comments at
+     user semantic actions for why this is necessary.  */
+  yytoken = YYTRANSLATE (yychar);
+
   /* If not already recovering from an error, report this error.  */
   if (!yyerrstatus)
     {
@@ -2832,7 +2865,7 @@ yyerrlab:
 #endif
     }
 
-  yyerror_range[0] = yylloc;
+  yyerror_range[1] = yylloc;
 
   if (yyerrstatus == 3)
     {
@@ -2869,7 +2902,7 @@ yyerrorlab:
   if (/*CONSTCOND*/ 0)
      goto yyerrorlab;
 
-  yyerror_range[0] = yylsp[1-yylen];
+  yyerror_range[1] = yylsp[1-yylen];
   /* Do not reclaim the symbols of the rule which action triggered
      this YYERROR.  */
   YYPOPSTACK (yylen);
@@ -2903,7 +2936,7 @@ yyerrlab1:
       if (yyssp == yyss)
 	YYABORT;
 
-      yyerror_range[0] = *yylsp;
+      yyerror_range[1] = *yylsp;
       yydestruct ("Error: popping",
 		  yystos[yystate], yyvsp, yylsp);
       YYPOPSTACK (1);
@@ -2913,10 +2946,10 @@ yyerrlab1:
 
   *++yyvsp = yylval;
 
-  yyerror_range[1] = yylloc;
+  yyerror_range[2] = yylloc;
   /* Using YYLLOC is tempting, but would change the location of
      the lookahead.  YYLOC is available though.  */
-  YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
+  YYLLOC_DEFAULT (yyloc, yyerror_range, 2);
   *++yylsp = yyloc;
 
   /* Shift the error token.  */
@@ -2952,8 +2985,13 @@ yyexhaustedlab:
 
 yyreturn:
   if (yychar != YYEMPTY)
-     yydestruct ("Cleanup: discarding lookahead",
-		 yytoken, &yylval, &yylloc);
+    {
+      /* Make sure we have latest lookahead translation.  See comments at
+         user semantic actions for why this is necessary.  */
+      yytoken = YYTRANSLATE (yychar);
+      yydestruct ("Cleanup: discarding lookahead",
+                  yytoken, &yylval, &yylloc);
+    }
   /* Do not reclaim the symbols of the rule which action triggered
      this YYABORT or YYACCEPT.  */
   YYPOPSTACK (yylen);
@@ -2976,7 +3014,7 @@ yyreturn:
   return YYID (yyresult);
 }
 
-/* Line 1623 of yacc.c  */
+/* Line 1657 of yacc.c  */
 #line 690 "src/parse-gram.y"