Merge branch 'master' into comment, update ChangeLogs

1 files changed, 409 insertions, 362 deletions

diff --git a/awkgram.c b/awkgram.c
index 3ea5d6c9..fac2070a 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -202,9 +202,7 @@ extern double fmod(double x, double y);
 
 #define YYSTYPE INSTRUCTION *
 
-#define is_identchar(c)		(isalnum(c) || (c) == '_')
-
-#line 208 "awkgram.c" /* yacc.c:339  */
+#line 206 "awkgram.c" /* yacc.c:339  */
 
 # ifndef YY_NULLPTR
 #  if defined __cplusplus && 201103L <= __cplusplus
@@ -358,7 +356,7 @@ int yyparse (void);
 
 /* Copy the second part of user declarations.  */
 
-#line 362 "awkgram.c" /* yacc.c:358  */
+#line 360 "awkgram.c" /* yacc.c:358  */
 
 #ifdef short
 # undef short
@@ -660,25 +658,25 @@ static const yytype_uint8 yytranslate[] =
   /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   207,   207,   209,   214,   215,   221,   233,   237,   248,
-     254,   259,   267,   275,   277,   282,   290,   292,   298,   305,
-     314,   340,   353,   365,   372,   382,   394,   396,   398,   404,
-     409,   410,   414,   449,   448,   482,   484,   489,   495,   523,
-     528,   529,   533,   535,   537,   544,   634,   676,   718,   831,
-     838,   845,   855,   864,   873,   882,   893,   909,   908,   932,
-     944,   944,  1042,  1042,  1075,  1105,  1111,  1112,  1118,  1119,
-    1126,  1131,  1143,  1157,  1159,  1167,  1172,  1174,  1182,  1184,
-    1193,  1194,  1202,  1207,  1207,  1218,  1222,  1230,  1231,  1234,
-    1236,  1241,  1242,  1251,  1252,  1257,  1262,  1268,  1270,  1272,
-    1279,  1280,  1286,  1287,  1292,  1294,  1299,  1301,  1309,  1314,
-    1323,  1330,  1332,  1334,  1350,  1360,  1367,  1369,  1374,  1376,
-    1378,  1386,  1388,  1393,  1395,  1400,  1402,  1404,  1454,  1456,
-    1458,  1460,  1462,  1464,  1466,  1468,  1482,  1487,  1492,  1517,
-    1523,  1525,  1527,  1529,  1531,  1533,  1538,  1542,  1574,  1576,
-    1582,  1588,  1601,  1602,  1603,  1608,  1613,  1617,  1621,  1636,
-    1649,  1654,  1690,  1708,  1709,  1715,  1716,  1721,  1723,  1730,
-    1747,  1764,  1766,  1773,  1778,  1786,  1796,  1808,  1817,  1821,
-    1825,  1829,  1833,  1837,  1840,  1842,  1846,  1850,  1854
+       0,   205,   205,   207,   212,   213,   219,   231,   235,   246,
+     252,   257,   265,   273,   275,   280,   288,   290,   296,   303,
+     312,   338,   351,   363,   370,   380,   392,   394,   396,   402,
+     407,   408,   412,   447,   446,   480,   482,   487,   493,   521,
+     526,   527,   531,   533,   535,   542,   632,   674,   716,   829,
+     836,   843,   853,   862,   871,   880,   891,   907,   906,   930,
+     942,   942,  1040,  1040,  1073,  1103,  1109,  1110,  1116,  1117,
+    1124,  1129,  1141,  1155,  1157,  1165,  1170,  1172,  1180,  1182,
+    1191,  1192,  1200,  1205,  1205,  1216,  1220,  1228,  1229,  1232,
+    1234,  1239,  1240,  1249,  1250,  1255,  1260,  1266,  1268,  1270,
+    1277,  1278,  1284,  1285,  1290,  1292,  1297,  1299,  1307,  1312,
+    1321,  1328,  1330,  1332,  1348,  1358,  1365,  1367,  1372,  1374,
+    1376,  1384,  1386,  1391,  1393,  1398,  1400,  1402,  1452,  1454,
+    1456,  1458,  1460,  1462,  1464,  1466,  1480,  1485,  1490,  1515,
+    1521,  1523,  1525,  1527,  1529,  1531,  1536,  1540,  1572,  1574,
+    1580,  1586,  1599,  1600,  1601,  1606,  1611,  1615,  1619,  1634,
+    1647,  1652,  1688,  1706,  1707,  1713,  1714,  1719,  1721,  1728,
+    1745,  1762,  1764,  1771,  1776,  1784,  1794,  1806,  1815,  1819,
+    1823,  1827,  1831,  1835,  1838,  1840,  1844,  1848,  1852
 };
 #endif
 
@@ -1851,26 +1849,26 @@ yyreduce:
   switch (yyn)
     {
         case 3:
-#line 210 "awkgram.y" /* yacc.c:1646  */
+#line 208 "awkgram.y" /* yacc.c:1646  */
     {
 		rule = 0;
 		yyerrok;
 	  }
-#line 1860 "awkgram.c" /* yacc.c:1646  */
+#line 1858 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 5:
-#line 216 "awkgram.y" /* yacc.c:1646  */
+#line 214 "awkgram.y" /* yacc.c:1646  */
     {
 		next_sourcefile();
 		if (sourcefile == srcfiles)
 			process_deferred();
 	  }
-#line 1870 "awkgram.c" /* yacc.c:1646  */
+#line 1868 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 6:
-#line 222 "awkgram.y" /* yacc.c:1646  */
+#line 220 "awkgram.y" /* yacc.c:1646  */
     {
 		rule = 0;
 		/*
@@ -1879,19 +1877,19 @@ yyreduce:
 		 */
   		/* yyerrok; */
 	  }
-#line 1883 "awkgram.c" /* yacc.c:1646  */
+#line 1881 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 7:
-#line 234 "awkgram.y" /* yacc.c:1646  */
+#line 232 "awkgram.y" /* yacc.c:1646  */
     {
 		(void) append_rule((yyvsp[-1]), (yyvsp[0]));
 	  }
-#line 1891 "awkgram.c" /* yacc.c:1646  */
+#line 1889 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 8:
-#line 238 "awkgram.y" /* yacc.c:1646  */
+#line 236 "awkgram.y" /* yacc.c:1646  */
     {
 		if (rule != Rule) {
 			msg(_("%s blocks must have an action part"), ruletab[rule]);
@@ -1902,39 +1900,39 @@ yyreduce:
 		} else		/* pattern rule with non-empty pattern */
 			(void) append_rule((yyvsp[-1]), NULL);
 	  }
-#line 1906 "awkgram.c" /* yacc.c:1646  */
+#line 1904 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 9:
-#line 249 "awkgram.y" /* yacc.c:1646  */
+#line 247 "awkgram.y" /* yacc.c:1646  */
     {
 		in_function = NULL;
 		(void) mk_function((yyvsp[-1]), (yyvsp[0]));
 		yyerrok;
 	  }
-#line 1916 "awkgram.c" /* yacc.c:1646  */
+#line 1914 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 10:
-#line 255 "awkgram.y" /* yacc.c:1646  */
+#line 253 "awkgram.y" /* yacc.c:1646  */
     {
 		want_source = false;
 		yyerrok;
 	  }
-#line 1925 "awkgram.c" /* yacc.c:1646  */
+#line 1923 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 11:
-#line 260 "awkgram.y" /* yacc.c:1646  */
+#line 258 "awkgram.y" /* yacc.c:1646  */
     {
 		want_source = false;
 		yyerrok;
 	  }
-#line 1934 "awkgram.c" /* yacc.c:1646  */
+#line 1932 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 12:
-#line 268 "awkgram.y" /* yacc.c:1646  */
+#line 266 "awkgram.y" /* yacc.c:1646  */
     {
 		if (include_source((yyvsp[0])) < 0)
 			YYABORT;
@@ -1942,23 +1940,23 @@ yyreduce:
 		bcfree((yyvsp[0]));
 		(yyval) = NULL;
 	  }
-#line 1946 "awkgram.c" /* yacc.c:1646  */
+#line 1944 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 13:
-#line 276 "awkgram.y" /* yacc.c:1646  */
+#line 274 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 1952 "awkgram.c" /* yacc.c:1646  */
+#line 1950 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 14:
-#line 278 "awkgram.y" /* yacc.c:1646  */
+#line 276 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 1958 "awkgram.c" /* yacc.c:1646  */
+#line 1956 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 15:
-#line 283 "awkgram.y" /* yacc.c:1646  */
+#line 281 "awkgram.y" /* yacc.c:1646  */
     {
 		if (load_library((yyvsp[0])) < 0)
 			YYABORT;
@@ -1966,23 +1964,23 @@ yyreduce:
 		bcfree((yyvsp[0]));
 		(yyval) = NULL;
 	  }
-#line 1970 "awkgram.c" /* yacc.c:1646  */
+#line 1968 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 16:
-#line 291 "awkgram.y" /* yacc.c:1646  */
+#line 289 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 1976 "awkgram.c" /* yacc.c:1646  */
+#line 1974 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 17:
-#line 293 "awkgram.y" /* yacc.c:1646  */
+#line 291 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 1982 "awkgram.c" /* yacc.c:1646  */
+#line 1980 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 18:
-#line 298 "awkgram.y" /* yacc.c:1646  */
+#line 296 "awkgram.y" /* yacc.c:1646  */
     {	rule = Rule;
 		if (comment != NULL) {
 			(yyval) = list_create(comment);
@@ -1990,11 +1988,11 @@ yyreduce:
 		} else
 			(yyval) = NULL;
 	  }
-#line 1994 "awkgram.c" /* yacc.c:1646  */
+#line 1992 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 19:
-#line 306 "awkgram.y" /* yacc.c:1646  */
+#line 304 "awkgram.y" /* yacc.c:1646  */
     {	rule = Rule;
 		if (comment != NULL) {
 			(yyval) = list_prepend((yyvsp[0]), comment);
@@ -2002,11 +2000,11 @@ yyreduce:
 		} else
 			(yyval) = (yyvsp[0]);
 	  }
-#line 2006 "awkgram.c" /* yacc.c:1646  */
+#line 2004 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 20:
-#line 315 "awkgram.y" /* yacc.c:1646  */
+#line 313 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *tp;
 
@@ -2032,11 +2030,11 @@ yyreduce:
 		(yyval) = list_append(list_merge((yyvsp[-3]), (yyvsp[0])), tp);
 		rule = Rule;
 	  }
-#line 2036 "awkgram.c" /* yacc.c:1646  */
+#line 2034 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 21:
-#line 341 "awkgram.y" /* yacc.c:1646  */
+#line 339 "awkgram.y" /* yacc.c:1646  */
     {
 		static int begin_seen = 0;
 		func_first = false;
@@ -2049,11 +2047,11 @@ yyreduce:
 		(yyvsp[0])->source_file = source;
 		(yyval) = (yyvsp[0]);
 	  }
-#line 2053 "awkgram.c" /* yacc.c:1646  */
+#line 2051 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 22:
-#line 354 "awkgram.y" /* yacc.c:1646  */
+#line 352 "awkgram.y" /* yacc.c:1646  */
     {
 		static int end_seen = 0;
 		func_first = false;
@@ -2065,33 +2063,33 @@ yyreduce:
 		(yyvsp[0])->source_file = source;
 		(yyval) = (yyvsp[0]);
 	  }
-#line 2069 "awkgram.c" /* yacc.c:1646  */
+#line 2067 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 23:
-#line 366 "awkgram.y" /* yacc.c:1646  */
+#line 364 "awkgram.y" /* yacc.c:1646  */
     {
 		func_first = false;
 		(yyvsp[0])->in_rule = rule = BEGINFILE;
 		(yyvsp[0])->source_file = source;
 		(yyval) = (yyvsp[0]);
 	  }
-#line 2080 "awkgram.c" /* yacc.c:1646  */
+#line 2078 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 24:
-#line 373 "awkgram.y" /* yacc.c:1646  */
+#line 371 "awkgram.y" /* yacc.c:1646  */
     {
 		func_first = false;
 		(yyvsp[0])->in_rule = rule = ENDFILE;
 		(yyvsp[0])->source_file = source;
 		(yyval) = (yyvsp[0]);
 	  }
-#line 2091 "awkgram.c" /* yacc.c:1646  */
+#line 2089 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 25:
-#line 383 "awkgram.y" /* yacc.c:1646  */
+#line 381 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *ip;
 		if ((yyvsp[-3]) == NULL)
@@ -2100,39 +2098,39 @@ yyreduce:
 			ip = (yyvsp[-3]);
 		(yyval) = ip;
 	  }
-#line 2104 "awkgram.c" /* yacc.c:1646  */
+#line 2102 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 26:
-#line 395 "awkgram.y" /* yacc.c:1646  */
+#line 393 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 2110 "awkgram.c" /* yacc.c:1646  */
+#line 2108 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 27:
-#line 397 "awkgram.y" /* yacc.c:1646  */
+#line 395 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 2116 "awkgram.c" /* yacc.c:1646  */
+#line 2114 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 28:
-#line 399 "awkgram.y" /* yacc.c:1646  */
+#line 397 "awkgram.y" /* yacc.c:1646  */
     {
 		yyerror(_("`%s' is a built-in function, it cannot be redefined"),
 					tokstart);
 		YYABORT;
 	  }
-#line 2126 "awkgram.c" /* yacc.c:1646  */
+#line 2124 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 29:
-#line 405 "awkgram.y" /* yacc.c:1646  */
+#line 403 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 2132 "awkgram.c" /* yacc.c:1646  */
+#line 2130 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 32:
-#line 415 "awkgram.y" /* yacc.c:1646  */
+#line 413 "awkgram.y" /* yacc.c:1646  */
     {
 		/*
 		 *  treat any comments between BOF and the first function
@@ -2159,17 +2157,17 @@ yyreduce:
 		/* $4 already free'd in install_function */
 		(yyval) = (yyvsp[-5]);
 	  }
-#line 2163 "awkgram.c" /* yacc.c:1646  */
+#line 2161 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 33:
-#line 449 "awkgram.y" /* yacc.c:1646  */
+#line 447 "awkgram.y" /* yacc.c:1646  */
     { want_regexp = true; }
-#line 2169 "awkgram.c" /* yacc.c:1646  */
+#line 2167 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 34:
-#line 451 "awkgram.y" /* yacc.c:1646  */
+#line 449 "awkgram.y" /* yacc.c:1646  */
     {
 		  NODE *n, *exp;
 		  char *re;
@@ -2198,28 +2196,28 @@ yyreduce:
 		  (yyval)->opcode = Op_match_rec;
 		  (yyval)->memory = n;
 		}
-#line 2202 "awkgram.c" /* yacc.c:1646  */
+#line 2200 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 35:
-#line 483 "awkgram.y" /* yacc.c:1646  */
+#line 481 "awkgram.y" /* yacc.c:1646  */
     { bcfree((yyvsp[0])); }
-#line 2208 "awkgram.c" /* yacc.c:1646  */
+#line 2206 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 37:
-#line 489 "awkgram.y" /* yacc.c:1646  */
+#line 487 "awkgram.y" /* yacc.c:1646  */
     {
 		if (comment != NULL) {
 			(yyval) = list_create(comment);
 			comment = NULL;
 		} else (yyval) = NULL;
 	  }
-#line 2219 "awkgram.c" /* yacc.c:1646  */
+#line 2217 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 38:
-#line 496 "awkgram.y" /* yacc.c:1646  */
+#line 494 "awkgram.y" /* yacc.c:1646  */
     {
 		if ((yyvsp[0]) == NULL) {
 			if (comment == NULL)
@@ -2247,40 +2245,40 @@ yyreduce:
 		}
 		yyerrok;
 	  }
-#line 2251 "awkgram.c" /* yacc.c:1646  */
+#line 2249 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 39:
-#line 524 "awkgram.y" /* yacc.c:1646  */
+#line 522 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = NULL; }
-#line 2257 "awkgram.c" /* yacc.c:1646  */
+#line 2255 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 42:
-#line 534 "awkgram.y" /* yacc.c:1646  */
+#line 532 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 2263 "awkgram.c" /* yacc.c:1646  */
+#line 2261 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 43:
-#line 536 "awkgram.y" /* yacc.c:1646  */
+#line 534 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[-1]); }
-#line 2269 "awkgram.c" /* yacc.c:1646  */
+#line 2267 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 44:
-#line 538 "awkgram.y" /* yacc.c:1646  */
+#line 536 "awkgram.y" /* yacc.c:1646  */
     {
 		if (do_pretty_print)
 			(yyval) = list_prepend((yyvsp[0]), instruction(Op_exec_count));
 		else
 			(yyval) = (yyvsp[0]);
  	  }
-#line 2280 "awkgram.c" /* yacc.c:1646  */
+#line 2278 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 45:
-#line 545 "awkgram.y" /* yacc.c:1646  */
+#line 543 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *dflt, *curr = NULL, *cexp, *cstmt;
 		INSTRUCTION *ip, *nextc, *tbreak;
@@ -2370,11 +2368,11 @@ yyreduce:
 		break_allowed--;			
 		fix_break_continue(ip, tbreak, NULL);
 	  }
-#line 2374 "awkgram.c" /* yacc.c:1646  */
+#line 2372 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 46:
-#line 635 "awkgram.y" /* yacc.c:1646  */
+#line 633 "awkgram.y" /* yacc.c:1646  */
     { 
 		/*
 		 *    -----------------
@@ -2416,11 +2414,11 @@ yyreduce:
 		continue_allowed--;
 		fix_break_continue(ip, tbreak, tcont);
 	  }
-#line 2420 "awkgram.c" /* yacc.c:1646  */
+#line 2418 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 47:
-#line 677 "awkgram.y" /* yacc.c:1646  */
+#line 675 "awkgram.y" /* yacc.c:1646  */
     {
 		/*
 		 *    -----------------
@@ -2462,11 +2460,11 @@ yyreduce:
 		} /* else
 			$1 and $4 are NULLs */
 	  }
-#line 2466 "awkgram.c" /* yacc.c:1646  */
+#line 2464 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 48:
-#line 719 "awkgram.y" /* yacc.c:1646  */
+#line 717 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *ip;
 		char *var_name = (yyvsp[-5])->lextok;
@@ -2579,44 +2577,44 @@ regular_loop:
 		break_allowed--;
 		continue_allowed--;
 	  }
-#line 2583 "awkgram.c" /* yacc.c:1646  */
+#line 2581 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 49:
-#line 832 "awkgram.y" /* yacc.c:1646  */
+#line 830 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = mk_for_loop((yyvsp[-11]), (yyvsp[-9]), (yyvsp[-6]), (yyvsp[-3]), (yyvsp[0]));
 
 		break_allowed--;
 		continue_allowed--;
 	  }
-#line 2594 "awkgram.c" /* yacc.c:1646  */
+#line 2592 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 50:
-#line 839 "awkgram.y" /* yacc.c:1646  */
+#line 837 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = mk_for_loop((yyvsp[-10]), (yyvsp[-8]), (INSTRUCTION *) NULL, (yyvsp[-3]), (yyvsp[0]));
 
 		break_allowed--;
 		continue_allowed--;
 	  }
-#line 2605 "awkgram.c" /* yacc.c:1646  */
+#line 2603 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 51:
-#line 846 "awkgram.y" /* yacc.c:1646  */
+#line 844 "awkgram.y" /* yacc.c:1646  */
     {
 		if (do_pretty_print)
 			(yyval) = list_prepend((yyvsp[0]), instruction(Op_exec_count));
 		else
 			(yyval) = (yyvsp[0]);
 	  }
-#line 2616 "awkgram.c" /* yacc.c:1646  */
+#line 2614 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 52:
-#line 856 "awkgram.y" /* yacc.c:1646  */
+#line 854 "awkgram.y" /* yacc.c:1646  */
     { 
 		if (! break_allowed)
 			error_ln((yyvsp[-1])->source_line,
@@ -2625,11 +2623,11 @@ regular_loop:
 		(yyval) = list_create((yyvsp[-1]));
 
 	  }
-#line 2629 "awkgram.c" /* yacc.c:1646  */
+#line 2627 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 53:
-#line 865 "awkgram.y" /* yacc.c:1646  */
+#line 863 "awkgram.y" /* yacc.c:1646  */
     {
 		if (! continue_allowed)
 			error_ln((yyvsp[-1])->source_line,
@@ -2638,11 +2636,11 @@ regular_loop:
 		(yyval) = list_create((yyvsp[-1]));
 
 	  }
-#line 2642 "awkgram.c" /* yacc.c:1646  */
+#line 2640 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 54:
-#line 874 "awkgram.y" /* yacc.c:1646  */
+#line 872 "awkgram.y" /* yacc.c:1646  */
     {
 		/* if inside function (rule = 0), resolve context at run-time */
 		if (rule && rule != Rule)
@@ -2651,11 +2649,11 @@ regular_loop:
 		(yyvsp[-1])->target_jmp = ip_rec;
 		(yyval) = list_create((yyvsp[-1]));
 	  }
-#line 2655 "awkgram.c" /* yacc.c:1646  */
+#line 2653 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 55:
-#line 883 "awkgram.y" /* yacc.c:1646  */
+#line 881 "awkgram.y" /* yacc.c:1646  */
     {
 		/* if inside function (rule = 0), resolve context at run-time */
 		if (rule == BEGIN || rule == END || rule == ENDFILE)
@@ -2666,11 +2664,11 @@ regular_loop:
 		(yyvsp[-1])->target_endfile = ip_endfile;
 		(yyval) = list_create((yyvsp[-1]));
 	  }
-#line 2670 "awkgram.c" /* yacc.c:1646  */
+#line 2668 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 56:
-#line 894 "awkgram.y" /* yacc.c:1646  */
+#line 892 "awkgram.y" /* yacc.c:1646  */
     {
 		/* Initialize the two possible jump targets, the actual target
 		 * is resolved at run-time. 
@@ -2685,20 +2683,20 @@ regular_loop:
 		} else
 			(yyval) = list_append((yyvsp[-1]), (yyvsp[-2]));
 	  }
-#line 2689 "awkgram.c" /* yacc.c:1646  */
+#line 2687 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 57:
-#line 909 "awkgram.y" /* yacc.c:1646  */
+#line 907 "awkgram.y" /* yacc.c:1646  */
     {
 		if (! in_function)
 			yyerror(_("`return' used outside function context"));
 	  }
-#line 2698 "awkgram.c" /* yacc.c:1646  */
+#line 2696 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 58:
-#line 912 "awkgram.y" /* yacc.c:1646  */
+#line 910 "awkgram.y" /* yacc.c:1646  */
     {
 		if ((yyvsp[-1]) == NULL) {
 			(yyval) = list_create((yyvsp[-3]));
@@ -2719,17 +2717,17 @@ regular_loop:
 			(yyval) = list_append((yyvsp[-1]), (yyvsp[-3]));
 		}
 	  }
-#line 2723 "awkgram.c" /* yacc.c:1646  */
+#line 2721 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 60:
-#line 944 "awkgram.y" /* yacc.c:1646  */
+#line 942 "awkgram.y" /* yacc.c:1646  */
     { in_print = true; in_parens = 0; }
-#line 2729 "awkgram.c" /* yacc.c:1646  */
+#line 2727 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 61:
-#line 945 "awkgram.y" /* yacc.c:1646  */
+#line 943 "awkgram.y" /* yacc.c:1646  */
     {
 		/*
 		 * Optimization: plain `print' has no expression list, so $3 is null.
@@ -2826,17 +2824,17 @@ regular_print:
 			}
 		}
 	  }
-#line 2830 "awkgram.c" /* yacc.c:1646  */
+#line 2828 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 62:
-#line 1042 "awkgram.y" /* yacc.c:1646  */
+#line 1040 "awkgram.y" /* yacc.c:1646  */
     { sub_counter = 0; }
-#line 2836 "awkgram.c" /* yacc.c:1646  */
+#line 2834 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 63:
-#line 1043 "awkgram.y" /* yacc.c:1646  */
+#line 1041 "awkgram.y" /* yacc.c:1646  */
     {
 		char *arr = (yyvsp[-2])->lextok;
 
@@ -2869,11 +2867,11 @@ regular_print:
 			(yyval) = list_append(list_append((yyvsp[0]), (yyvsp[-2])), (yyvsp[-3]));
 		}
 	  }
-#line 2873 "awkgram.c" /* yacc.c:1646  */
+#line 2871 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 64:
-#line 1080 "awkgram.y" /* yacc.c:1646  */
+#line 1078 "awkgram.y" /* yacc.c:1646  */
     {
 		static bool warned = false;
 		char *arr = (yyvsp[-1])->lextok;
@@ -2899,52 +2897,52 @@ regular_print:
 				fatal(_("`delete' is not allowed with FUNCTAB"));
 		}
 	  }
-#line 2903 "awkgram.c" /* yacc.c:1646  */
+#line 2901 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 65:
-#line 1106 "awkgram.y" /* yacc.c:1646  */
+#line 1104 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = optimize_assignment((yyvsp[0])); }
-#line 2909 "awkgram.c" /* yacc.c:1646  */
+#line 2907 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 66:
-#line 1111 "awkgram.y" /* yacc.c:1646  */
+#line 1109 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 2915 "awkgram.c" /* yacc.c:1646  */
+#line 2913 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 67:
-#line 1113 "awkgram.y" /* yacc.c:1646  */
+#line 1111 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 2921 "awkgram.c" /* yacc.c:1646  */
+#line 2919 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 68:
-#line 1118 "awkgram.y" /* yacc.c:1646  */
+#line 1116 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 2927 "awkgram.c" /* yacc.c:1646  */
+#line 2925 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 69:
-#line 1120 "awkgram.y" /* yacc.c:1646  */
+#line 1118 "awkgram.y" /* yacc.c:1646  */
     {
 		if ((yyvsp[-1]) == NULL)
 			(yyval) = list_create((yyvsp[0]));
 		else
 			(yyval) = list_prepend((yyvsp[-1]), (yyvsp[0]));
 	  }
-#line 2938 "awkgram.c" /* yacc.c:1646  */
+#line 2936 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 70:
-#line 1127 "awkgram.y" /* yacc.c:1646  */
+#line 1125 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 2944 "awkgram.c" /* yacc.c:1646  */
+#line 2942 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 71:
-#line 1132 "awkgram.y" /* yacc.c:1646  */
+#line 1130 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *casestmt = (yyvsp[0]);
 		if ((yyvsp[0]) == NULL)
@@ -2956,11 +2954,11 @@ regular_print:
 		bcfree((yyvsp[-2]));
 		(yyval) = (yyvsp[-4]);
 	  }
-#line 2960 "awkgram.c" /* yacc.c:1646  */
+#line 2958 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 72:
-#line 1144 "awkgram.y" /* yacc.c:1646  */
+#line 1142 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *casestmt = (yyvsp[0]);
 		if ((yyvsp[0]) == NULL)
@@ -2971,17 +2969,17 @@ regular_print:
 		(yyvsp[-3])->case_stmt = casestmt;
 		(yyval) = (yyvsp[-3]);
 	  }
-#line 2975 "awkgram.c" /* yacc.c:1646  */
+#line 2973 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 73:
-#line 1158 "awkgram.y" /* yacc.c:1646  */
+#line 1156 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = (yyvsp[0]); }
-#line 2981 "awkgram.c" /* yacc.c:1646  */
+#line 2979 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 74:
-#line 1160 "awkgram.y" /* yacc.c:1646  */
+#line 1158 "awkgram.y" /* yacc.c:1646  */
     { 
 		NODE *n = (yyvsp[0])->memory;
 		(void) force_number(n);
@@ -2989,71 +2987,71 @@ regular_print:
 		bcfree((yyvsp[-1]));
 		(yyval) = (yyvsp[0]);
 	  }
-#line 2993 "awkgram.c" /* yacc.c:1646  */
+#line 2991 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 75:
-#line 1168 "awkgram.y" /* yacc.c:1646  */
+#line 1166 "awkgram.y" /* yacc.c:1646  */
     {
 		bcfree((yyvsp[-1]));
 		(yyval) = (yyvsp[0]);
 	  }
-#line 3002 "awkgram.c" /* yacc.c:1646  */
+#line 3000 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 76:
-#line 1173 "awkgram.y" /* yacc.c:1646  */
+#line 1171 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = (yyvsp[0]); }
-#line 3008 "awkgram.c" /* yacc.c:1646  */
+#line 3006 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 77:
-#line 1175 "awkgram.y" /* yacc.c:1646  */
+#line 1173 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[0])->opcode = Op_push_re;
 		(yyval) = (yyvsp[0]);
 	  }
-#line 3017 "awkgram.c" /* yacc.c:1646  */
+#line 3015 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 78:
-#line 1183 "awkgram.y" /* yacc.c:1646  */
+#line 1181 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3023 "awkgram.c" /* yacc.c:1646  */
+#line 3021 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 79:
-#line 1185 "awkgram.y" /* yacc.c:1646  */
+#line 1183 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3029 "awkgram.c" /* yacc.c:1646  */
+#line 3027 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 81:
-#line 1195 "awkgram.y" /* yacc.c:1646  */
+#line 1193 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = (yyvsp[-1]);
 	  }
-#line 3037 "awkgram.c" /* yacc.c:1646  */
+#line 3035 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 82:
-#line 1202 "awkgram.y" /* yacc.c:1646  */
+#line 1200 "awkgram.y" /* yacc.c:1646  */
     {
 		in_print = false;
 		in_parens = 0;
 		(yyval) = NULL;
 	  }
-#line 3047 "awkgram.c" /* yacc.c:1646  */
+#line 3045 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 83:
-#line 1207 "awkgram.y" /* yacc.c:1646  */
+#line 1205 "awkgram.y" /* yacc.c:1646  */
     { in_print = false; in_parens = 0; }
-#line 3053 "awkgram.c" /* yacc.c:1646  */
+#line 3051 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 84:
-#line 1208 "awkgram.y" /* yacc.c:1646  */
+#line 1206 "awkgram.y" /* yacc.c:1646  */
     {
 		if ((yyvsp[-2])->redir_type == redirect_twoway
 		    	&& (yyvsp[0])->lasti->opcode == Op_K_getline_redir
@@ -3061,136 +3059,136 @@ regular_print:
 			yyerror(_("multistage two-way pipelines don't work"));
 		(yyval) = list_prepend((yyvsp[0]), (yyvsp[-2]));
 	  }
-#line 3065 "awkgram.c" /* yacc.c:1646  */
+#line 3063 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 85:
-#line 1219 "awkgram.y" /* yacc.c:1646  */
+#line 1217 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = mk_condition((yyvsp[-3]), (yyvsp[-5]), (yyvsp[0]), NULL, NULL);
 	  }
-#line 3073 "awkgram.c" /* yacc.c:1646  */
+#line 3071 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 86:
-#line 1224 "awkgram.y" /* yacc.c:1646  */
+#line 1222 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = mk_condition((yyvsp[-6]), (yyvsp[-8]), (yyvsp[-3]), (yyvsp[-2]), (yyvsp[0]));
 	  }
-#line 3081 "awkgram.c" /* yacc.c:1646  */
+#line 3079 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 91:
-#line 1241 "awkgram.y" /* yacc.c:1646  */
+#line 1239 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3087 "awkgram.c" /* yacc.c:1646  */
+#line 3085 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 92:
-#line 1243 "awkgram.y" /* yacc.c:1646  */
+#line 1241 "awkgram.y" /* yacc.c:1646  */
     {
 		bcfree((yyvsp[-1]));
 		(yyval) = (yyvsp[0]);
 	  }
-#line 3096 "awkgram.c" /* yacc.c:1646  */
+#line 3094 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 93:
-#line 1251 "awkgram.y" /* yacc.c:1646  */
+#line 1249 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3102 "awkgram.c" /* yacc.c:1646  */
+#line 3100 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 94:
-#line 1253 "awkgram.y" /* yacc.c:1646  */
+#line 1251 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]) ; }
-#line 3108 "awkgram.c" /* yacc.c:1646  */
+#line 3106 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 95:
-#line 1258 "awkgram.y" /* yacc.c:1646  */
+#line 1256 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[0])->param_count = 0;
 		(yyval) = list_create((yyvsp[0]));
 	  }
-#line 3117 "awkgram.c" /* yacc.c:1646  */
+#line 3115 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 96:
-#line 1263 "awkgram.y" /* yacc.c:1646  */
+#line 1261 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[0])->param_count =  (yyvsp[-2])->lasti->param_count + 1;
 		(yyval) = list_append((yyvsp[-2]), (yyvsp[0]));
 		yyerrok;
 	  }
-#line 3127 "awkgram.c" /* yacc.c:1646  */
+#line 3125 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 97:
-#line 1269 "awkgram.y" /* yacc.c:1646  */
+#line 1267 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3133 "awkgram.c" /* yacc.c:1646  */
+#line 3131 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 98:
-#line 1271 "awkgram.y" /* yacc.c:1646  */
+#line 1269 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[-1]); }
-#line 3139 "awkgram.c" /* yacc.c:1646  */
+#line 3137 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 99:
-#line 1273 "awkgram.y" /* yacc.c:1646  */
+#line 1271 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[-2]); }
-#line 3145 "awkgram.c" /* yacc.c:1646  */
+#line 3143 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 100:
-#line 1279 "awkgram.y" /* yacc.c:1646  */
+#line 1277 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3151 "awkgram.c" /* yacc.c:1646  */
+#line 3149 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 101:
-#line 1281 "awkgram.y" /* yacc.c:1646  */
+#line 1279 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3157 "awkgram.c" /* yacc.c:1646  */
+#line 3155 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 102:
-#line 1286 "awkgram.y" /* yacc.c:1646  */
+#line 1284 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3163 "awkgram.c" /* yacc.c:1646  */
+#line 3161 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 103:
-#line 1288 "awkgram.y" /* yacc.c:1646  */
+#line 1286 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3169 "awkgram.c" /* yacc.c:1646  */
+#line 3167 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 104:
-#line 1293 "awkgram.y" /* yacc.c:1646  */
+#line 1291 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = mk_expression_list(NULL, (yyvsp[0])); }
-#line 3175 "awkgram.c" /* yacc.c:1646  */
+#line 3173 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 105:
-#line 1295 "awkgram.y" /* yacc.c:1646  */
+#line 1293 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = mk_expression_list((yyvsp[-2]), (yyvsp[0]));
 		yyerrok;
 	  }
-#line 3184 "awkgram.c" /* yacc.c:1646  */
+#line 3182 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 106:
-#line 1300 "awkgram.y" /* yacc.c:1646  */
+#line 1298 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3190 "awkgram.c" /* yacc.c:1646  */
+#line 3188 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 107:
-#line 1302 "awkgram.y" /* yacc.c:1646  */
+#line 1300 "awkgram.y" /* yacc.c:1646  */
     {
 		/*
 		 * Returning the expression list instead of NULL lets
@@ -3198,52 +3196,52 @@ regular_print:
 		 */
 		(yyval) = (yyvsp[-1]);
 	  }
-#line 3202 "awkgram.c" /* yacc.c:1646  */
+#line 3200 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 108:
-#line 1310 "awkgram.y" /* yacc.c:1646  */
+#line 1308 "awkgram.y" /* yacc.c:1646  */
     {
 		/* Ditto */
 		(yyval) = mk_expression_list((yyvsp[-2]), (yyvsp[0]));
 	  }
-#line 3211 "awkgram.c" /* yacc.c:1646  */
+#line 3209 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 109:
-#line 1315 "awkgram.y" /* yacc.c:1646  */
+#line 1313 "awkgram.y" /* yacc.c:1646  */
     {
 		/* Ditto */
 		(yyval) = (yyvsp[-2]);
 	  }
-#line 3220 "awkgram.c" /* yacc.c:1646  */
+#line 3218 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 110:
-#line 1324 "awkgram.y" /* yacc.c:1646  */
+#line 1322 "awkgram.y" /* yacc.c:1646  */
     {
 		if (do_lint && (yyvsp[0])->lasti->opcode == Op_match_rec)
 			lintwarn_ln((yyvsp[-1])->source_line,
 				_("regular expression on right of assignment"));
 		(yyval) = mk_assignment((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1]));
 	  }
-#line 3231 "awkgram.c" /* yacc.c:1646  */
+#line 3229 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 111:
-#line 1331 "awkgram.y" /* yacc.c:1646  */
+#line 1329 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = mk_boolean((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3237 "awkgram.c" /* yacc.c:1646  */
+#line 3235 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 112:
-#line 1333 "awkgram.y" /* yacc.c:1646  */
+#line 1331 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = mk_boolean((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3243 "awkgram.c" /* yacc.c:1646  */
+#line 3241 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 113:
-#line 1335 "awkgram.y" /* yacc.c:1646  */
+#line 1333 "awkgram.y" /* yacc.c:1646  */
     {
 		if ((yyvsp[-2])->lasti->opcode == Op_match_rec)
 			warning_ln((yyvsp[-1])->source_line,
@@ -3259,11 +3257,11 @@ regular_print:
 			(yyval) = list_append(list_merge((yyvsp[-2]), (yyvsp[0])), (yyvsp[-1]));
 		}
 	  }
-#line 3263 "awkgram.c" /* yacc.c:1646  */
+#line 3261 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 114:
-#line 1351 "awkgram.y" /* yacc.c:1646  */
+#line 1349 "awkgram.y" /* yacc.c:1646  */
     {
 		if (do_lint_old)
 			warning_ln((yyvsp[-1])->source_line,
@@ -3273,91 +3271,91 @@ regular_print:
 		(yyvsp[-1])->expr_count = 1;
 		(yyval) = list_append(list_merge((yyvsp[-2]), (yyvsp[0])), (yyvsp[-1]));
 	  }
-#line 3277 "awkgram.c" /* yacc.c:1646  */
+#line 3275 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 115:
-#line 1361 "awkgram.y" /* yacc.c:1646  */
+#line 1359 "awkgram.y" /* yacc.c:1646  */
     {
 		if (do_lint && (yyvsp[0])->lasti->opcode == Op_match_rec)
 			lintwarn_ln((yyvsp[-1])->source_line,
 				_("regular expression on right of comparison"));
 		(yyval) = list_append(list_merge((yyvsp[-2]), (yyvsp[0])), (yyvsp[-1]));
 	  }
-#line 3288 "awkgram.c" /* yacc.c:1646  */
+#line 3286 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 116:
-#line 1368 "awkgram.y" /* yacc.c:1646  */
+#line 1366 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_condition((yyvsp[-4]), (yyvsp[-3]), (yyvsp[-2]), (yyvsp[-1]), (yyvsp[0])); }
-#line 3294 "awkgram.c" /* yacc.c:1646  */
+#line 3292 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 117:
-#line 1370 "awkgram.y" /* yacc.c:1646  */
+#line 1368 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3300 "awkgram.c" /* yacc.c:1646  */
+#line 3298 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 118:
-#line 1375 "awkgram.y" /* yacc.c:1646  */
+#line 1373 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3306 "awkgram.c" /* yacc.c:1646  */
+#line 3304 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 119:
-#line 1377 "awkgram.y" /* yacc.c:1646  */
+#line 1375 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3312 "awkgram.c" /* yacc.c:1646  */
+#line 3310 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 120:
-#line 1379 "awkgram.y" /* yacc.c:1646  */
+#line 1377 "awkgram.y" /* yacc.c:1646  */
     {	
 		(yyvsp[0])->opcode = Op_assign_quotient;
 		(yyval) = (yyvsp[0]);
 	  }
-#line 3321 "awkgram.c" /* yacc.c:1646  */
+#line 3319 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 121:
-#line 1387 "awkgram.y" /* yacc.c:1646  */
+#line 1385 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3327 "awkgram.c" /* yacc.c:1646  */
+#line 3325 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 122:
-#line 1389 "awkgram.y" /* yacc.c:1646  */
+#line 1387 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3333 "awkgram.c" /* yacc.c:1646  */
+#line 3331 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 123:
-#line 1394 "awkgram.y" /* yacc.c:1646  */
+#line 1392 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3339 "awkgram.c" /* yacc.c:1646  */
+#line 3337 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 124:
-#line 1396 "awkgram.y" /* yacc.c:1646  */
+#line 1394 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3345 "awkgram.c" /* yacc.c:1646  */
+#line 3343 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 125:
-#line 1401 "awkgram.y" /* yacc.c:1646  */
+#line 1399 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3351 "awkgram.c" /* yacc.c:1646  */
+#line 3349 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 126:
-#line 1403 "awkgram.y" /* yacc.c:1646  */
+#line 1401 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3357 "awkgram.c" /* yacc.c:1646  */
+#line 3355 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 127:
-#line 1405 "awkgram.y" /* yacc.c:1646  */
+#line 1403 "awkgram.y" /* yacc.c:1646  */
     {
 		int count = 2;
 		bool is_simple_var = false;
@@ -3404,47 +3402,47 @@ regular_print:
 				max_args = count;
 		}
 	  }
-#line 3408 "awkgram.c" /* yacc.c:1646  */
+#line 3406 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 129:
-#line 1457 "awkgram.y" /* yacc.c:1646  */
+#line 1455 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3414 "awkgram.c" /* yacc.c:1646  */
+#line 3412 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 130:
-#line 1459 "awkgram.y" /* yacc.c:1646  */
+#line 1457 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3420 "awkgram.c" /* yacc.c:1646  */
+#line 3418 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 131:
-#line 1461 "awkgram.y" /* yacc.c:1646  */
+#line 1459 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3426 "awkgram.c" /* yacc.c:1646  */
+#line 3424 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 132:
-#line 1463 "awkgram.y" /* yacc.c:1646  */
+#line 1461 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3432 "awkgram.c" /* yacc.c:1646  */
+#line 3430 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 133:
-#line 1465 "awkgram.y" /* yacc.c:1646  */
+#line 1463 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3438 "awkgram.c" /* yacc.c:1646  */
+#line 3436 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 134:
-#line 1467 "awkgram.y" /* yacc.c:1646  */
+#line 1465 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3444 "awkgram.c" /* yacc.c:1646  */
+#line 3442 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 135:
-#line 1469 "awkgram.y" /* yacc.c:1646  */
+#line 1467 "awkgram.y" /* yacc.c:1646  */
     {
 		/*
 		 * In BEGINFILE/ENDFILE, allow `getline [var] < file'
@@ -3458,29 +3456,29 @@ regular_print:
 				_("non-redirected `getline' undefined inside END action"));
 		(yyval) = mk_getline((yyvsp[-2]), (yyvsp[-1]), (yyvsp[0]), redirect_input);
 	  }
-#line 3462 "awkgram.c" /* yacc.c:1646  */
+#line 3460 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 136:
-#line 1483 "awkgram.y" /* yacc.c:1646  */
+#line 1481 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[0])->opcode = Op_postincrement;
 		(yyval) = mk_assignment((yyvsp[-1]), NULL, (yyvsp[0]));
 	  }
-#line 3471 "awkgram.c" /* yacc.c:1646  */
+#line 3469 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 137:
-#line 1488 "awkgram.y" /* yacc.c:1646  */
+#line 1486 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[0])->opcode = Op_postdecrement;
 		(yyval) = mk_assignment((yyvsp[-1]), NULL, (yyvsp[0]));
 	  }
-#line 3480 "awkgram.c" /* yacc.c:1646  */
+#line 3478 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 138:
-#line 1493 "awkgram.y" /* yacc.c:1646  */
+#line 1491 "awkgram.y" /* yacc.c:1646  */
     {
 		if (do_lint_old) {
 		    warning_ln((yyvsp[-1])->source_line,
@@ -3500,64 +3498,64 @@ regular_print:
 			(yyval) = list_append(list_merge(t, (yyvsp[0])), (yyvsp[-1]));
 		}
 	  }
-#line 3504 "awkgram.c" /* yacc.c:1646  */
+#line 3502 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 139:
-#line 1518 "awkgram.y" /* yacc.c:1646  */
+#line 1516 "awkgram.y" /* yacc.c:1646  */
     {
 		  (yyval) = mk_getline((yyvsp[-1]), (yyvsp[0]), (yyvsp[-3]), (yyvsp[-2])->redir_type);
 		  bcfree((yyvsp[-2]));
 		}
-#line 3513 "awkgram.c" /* yacc.c:1646  */
+#line 3511 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 140:
-#line 1524 "awkgram.y" /* yacc.c:1646  */
+#line 1522 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3519 "awkgram.c" /* yacc.c:1646  */
+#line 3517 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 141:
-#line 1526 "awkgram.y" /* yacc.c:1646  */
+#line 1524 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3525 "awkgram.c" /* yacc.c:1646  */
+#line 3523 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 142:
-#line 1528 "awkgram.y" /* yacc.c:1646  */
+#line 1526 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3531 "awkgram.c" /* yacc.c:1646  */
+#line 3529 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 143:
-#line 1530 "awkgram.y" /* yacc.c:1646  */
+#line 1528 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3537 "awkgram.c" /* yacc.c:1646  */
+#line 3535 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 144:
-#line 1532 "awkgram.y" /* yacc.c:1646  */
+#line 1530 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3543 "awkgram.c" /* yacc.c:1646  */
+#line 3541 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 145:
-#line 1534 "awkgram.y" /* yacc.c:1646  */
+#line 1532 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3549 "awkgram.c" /* yacc.c:1646  */
+#line 3547 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 146:
-#line 1539 "awkgram.y" /* yacc.c:1646  */
+#line 1537 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = list_create((yyvsp[0]));
 	  }
-#line 3557 "awkgram.c" /* yacc.c:1646  */
+#line 3555 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 147:
-#line 1543 "awkgram.y" /* yacc.c:1646  */
+#line 1541 "awkgram.y" /* yacc.c:1646  */
     {
 		if ((yyvsp[0])->opcode == Op_match_rec) {
 			(yyvsp[0])->opcode = Op_nomatch;
@@ -3589,37 +3587,37 @@ regular_print:
 			}
 		}
 	   }
-#line 3593 "awkgram.c" /* yacc.c:1646  */
+#line 3591 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 148:
-#line 1575 "awkgram.y" /* yacc.c:1646  */
+#line 1573 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[-1]); }
-#line 3599 "awkgram.c" /* yacc.c:1646  */
+#line 3597 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 149:
-#line 1577 "awkgram.y" /* yacc.c:1646  */
+#line 1575 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = snode((yyvsp[-1]), (yyvsp[-3]));
 		if ((yyval) == NULL)
 			YYABORT;
 	  }
-#line 3609 "awkgram.c" /* yacc.c:1646  */
+#line 3607 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 150:
-#line 1583 "awkgram.y" /* yacc.c:1646  */
+#line 1581 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = snode((yyvsp[-1]), (yyvsp[-3]));
 		if ((yyval) == NULL)
 			YYABORT;
 	  }
-#line 3619 "awkgram.c" /* yacc.c:1646  */
+#line 3617 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 151:
-#line 1589 "awkgram.y" /* yacc.c:1646  */
+#line 1587 "awkgram.y" /* yacc.c:1646  */
     {
 		static bool warned = false;
 
@@ -3632,45 +3630,45 @@ regular_print:
 		if ((yyval) == NULL)
 			YYABORT;
 	  }
-#line 3636 "awkgram.c" /* yacc.c:1646  */
+#line 3634 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 154:
-#line 1604 "awkgram.y" /* yacc.c:1646  */
+#line 1602 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[-1])->opcode = Op_preincrement;
 		(yyval) = mk_assignment((yyvsp[0]), NULL, (yyvsp[-1]));
 	  }
-#line 3645 "awkgram.c" /* yacc.c:1646  */
+#line 3643 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 155:
-#line 1609 "awkgram.y" /* yacc.c:1646  */
+#line 1607 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[-1])->opcode = Op_predecrement;
 		(yyval) = mk_assignment((yyvsp[0]), NULL, (yyvsp[-1]));
 	  }
-#line 3654 "awkgram.c" /* yacc.c:1646  */
+#line 3652 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 156:
-#line 1614 "awkgram.y" /* yacc.c:1646  */
+#line 1612 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = list_create((yyvsp[0]));
 	  }
-#line 3662 "awkgram.c" /* yacc.c:1646  */
+#line 3660 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 157:
-#line 1618 "awkgram.y" /* yacc.c:1646  */
+#line 1616 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = list_create((yyvsp[0]));
 	  }
-#line 3670 "awkgram.c" /* yacc.c:1646  */
+#line 3668 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 158:
-#line 1622 "awkgram.y" /* yacc.c:1646  */
+#line 1620 "awkgram.y" /* yacc.c:1646  */
     {
 		if ((yyvsp[0])->lasti->opcode == Op_push_i
 			&& ((yyvsp[0])->lasti->memory->flags & (STRCUR|STRING)) == 0
@@ -3685,11 +3683,11 @@ regular_print:
 			(yyval) = list_append((yyvsp[0]), (yyvsp[-1]));
 		}
 	  }
-#line 3689 "awkgram.c" /* yacc.c:1646  */
+#line 3687 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 159:
-#line 1637 "awkgram.y" /* yacc.c:1646  */
+#line 1635 "awkgram.y" /* yacc.c:1646  */
     {
 	    /*
 	     * was: $$ = $2
@@ -3699,20 +3697,20 @@ regular_print:
 		(yyvsp[-1])->memory = make_number(0.0);
 		(yyval) = list_append((yyvsp[0]), (yyvsp[-1]));
 	  }
-#line 3703 "awkgram.c" /* yacc.c:1646  */
+#line 3701 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 160:
-#line 1650 "awkgram.y" /* yacc.c:1646  */
+#line 1648 "awkgram.y" /* yacc.c:1646  */
     {
 		func_use((yyvsp[0])->lasti->func_name, FUNC_USE);
 		(yyval) = (yyvsp[0]);
 	  }
-#line 3712 "awkgram.c" /* yacc.c:1646  */
+#line 3710 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 161:
-#line 1655 "awkgram.y" /* yacc.c:1646  */
+#line 1653 "awkgram.y" /* yacc.c:1646  */
     {
 		/* indirect function call */
 		INSTRUCTION *f, *t;
@@ -3745,11 +3743,11 @@ regular_print:
 
 		(yyval) = list_prepend((yyvsp[0]), t);
 	  }
-#line 3749 "awkgram.c" /* yacc.c:1646  */
+#line 3747 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 162:
-#line 1691 "awkgram.y" /* yacc.c:1646  */
+#line 1689 "awkgram.y" /* yacc.c:1646  */
     {
 		param_sanity((yyvsp[-1]));
 		(yyvsp[-3])->opcode = Op_func_call;
@@ -3763,49 +3761,49 @@ regular_print:
 			(yyval) = list_append(t, (yyvsp[-3]));
 		}
 	  }
-#line 3767 "awkgram.c" /* yacc.c:1646  */
+#line 3765 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 163:
-#line 1708 "awkgram.y" /* yacc.c:1646  */
+#line 1706 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3773 "awkgram.c" /* yacc.c:1646  */
+#line 3771 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 164:
-#line 1710 "awkgram.y" /* yacc.c:1646  */
+#line 1708 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); }
-#line 3779 "awkgram.c" /* yacc.c:1646  */
+#line 3777 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 165:
-#line 1715 "awkgram.y" /* yacc.c:1646  */
+#line 1713 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3785 "awkgram.c" /* yacc.c:1646  */
+#line 3783 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 166:
-#line 1717 "awkgram.y" /* yacc.c:1646  */
+#line 1715 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[-1]); }
-#line 3791 "awkgram.c" /* yacc.c:1646  */
+#line 3789 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 167:
-#line 1722 "awkgram.y" /* yacc.c:1646  */
+#line 1720 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = (yyvsp[0]); }
-#line 3797 "awkgram.c" /* yacc.c:1646  */
+#line 3795 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 168:
-#line 1724 "awkgram.y" /* yacc.c:1646  */
+#line 1722 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = list_merge((yyvsp[-1]), (yyvsp[0]));
 	  }
-#line 3805 "awkgram.c" /* yacc.c:1646  */
+#line 3803 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 169:
-#line 1731 "awkgram.y" /* yacc.c:1646  */
+#line 1729 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *ip = (yyvsp[0])->lasti; 
 		int count = ip->sub_count;	/* # of SUBSEP-seperated expressions */
@@ -3819,11 +3817,11 @@ regular_print:
 		sub_counter++;	/* count # of dimensions */
 		(yyval) = (yyvsp[0]);
 	  }
-#line 3823 "awkgram.c" /* yacc.c:1646  */
+#line 3821 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 170:
-#line 1748 "awkgram.y" /* yacc.c:1646  */
+#line 1746 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *t = (yyvsp[-1]);
 		if ((yyvsp[-1]) == NULL) {
@@ -3837,31 +3835,31 @@ regular_print:
 			(yyvsp[0])->sub_count = count_expressions(&t, false);
 		(yyval) = list_append(t, (yyvsp[0]));
 	  }
-#line 3841 "awkgram.c" /* yacc.c:1646  */
+#line 3839 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 171:
-#line 1765 "awkgram.y" /* yacc.c:1646  */
+#line 1763 "awkgram.y" /* yacc.c:1646  */
     {	(yyval) = (yyvsp[0]); }
-#line 3847 "awkgram.c" /* yacc.c:1646  */
+#line 3845 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 172:
-#line 1767 "awkgram.y" /* yacc.c:1646  */
+#line 1765 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = list_merge((yyvsp[-1]), (yyvsp[0]));
 	  }
-#line 3855 "awkgram.c" /* yacc.c:1646  */
+#line 3853 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 173:
-#line 1774 "awkgram.y" /* yacc.c:1646  */
+#line 1772 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[-1]); }
-#line 3861 "awkgram.c" /* yacc.c:1646  */
+#line 3859 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 174:
-#line 1779 "awkgram.y" /* yacc.c:1646  */
+#line 1777 "awkgram.y" /* yacc.c:1646  */
     {
 		char *var_name = (yyvsp[0])->lextok;
 
@@ -3869,22 +3867,22 @@ regular_print:
 		(yyvsp[0])->memory = variable((yyvsp[0])->source_line, var_name, Node_var_new);
 		(yyval) = list_create((yyvsp[0]));
 	  }
-#line 3873 "awkgram.c" /* yacc.c:1646  */
+#line 3871 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 175:
-#line 1787 "awkgram.y" /* yacc.c:1646  */
+#line 1785 "awkgram.y" /* yacc.c:1646  */
     {
 		char *arr = (yyvsp[-1])->lextok;
 		(yyvsp[-1])->memory = variable((yyvsp[-1])->source_line, arr, Node_var_new);
 		(yyvsp[-1])->opcode = Op_push_array;
 		(yyval) = list_prepend((yyvsp[0]), (yyvsp[-1]));
 	  }
-#line 3884 "awkgram.c" /* yacc.c:1646  */
+#line 3882 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 176:
-#line 1797 "awkgram.y" /* yacc.c:1646  */
+#line 1795 "awkgram.y" /* yacc.c:1646  */
     {
 		INSTRUCTION *ip = (yyvsp[0])->nexti;
 		if (ip->opcode == Op_push
@@ -3896,73 +3894,73 @@ regular_print:
 		} else
 			(yyval) = (yyvsp[0]);
 	  }
-#line 3900 "awkgram.c" /* yacc.c:1646  */
+#line 3898 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 177:
-#line 1809 "awkgram.y" /* yacc.c:1646  */
+#line 1807 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyval) = list_append((yyvsp[-1]), (yyvsp[-2]));
 		if ((yyvsp[0]) != NULL)
 			mk_assignment((yyvsp[-1]), NULL, (yyvsp[0]));
 	  }
-#line 3910 "awkgram.c" /* yacc.c:1646  */
+#line 3908 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 178:
-#line 1818 "awkgram.y" /* yacc.c:1646  */
+#line 1816 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[0])->opcode = Op_postincrement;
 	  }
-#line 3918 "awkgram.c" /* yacc.c:1646  */
+#line 3916 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 179:
-#line 1822 "awkgram.y" /* yacc.c:1646  */
+#line 1820 "awkgram.y" /* yacc.c:1646  */
     {
 		(yyvsp[0])->opcode = Op_postdecrement;
 	  }
-#line 3926 "awkgram.c" /* yacc.c:1646  */
+#line 3924 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 180:
-#line 1825 "awkgram.y" /* yacc.c:1646  */
+#line 1823 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = NULL; }
-#line 3932 "awkgram.c" /* yacc.c:1646  */
+#line 3930 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 182:
-#line 1833 "awkgram.y" /* yacc.c:1646  */
+#line 1831 "awkgram.y" /* yacc.c:1646  */
     { yyerrok; }
-#line 3938 "awkgram.c" /* yacc.c:1646  */
+#line 3936 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 183:
-#line 1837 "awkgram.y" /* yacc.c:1646  */
+#line 1835 "awkgram.y" /* yacc.c:1646  */
     { yyerrok; }
-#line 3944 "awkgram.c" /* yacc.c:1646  */
+#line 3942 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 186:
-#line 1846 "awkgram.y" /* yacc.c:1646  */
+#line 1844 "awkgram.y" /* yacc.c:1646  */
     { yyerrok; }
-#line 3950 "awkgram.c" /* yacc.c:1646  */
+#line 3948 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 187:
-#line 1850 "awkgram.y" /* yacc.c:1646  */
+#line 1848 "awkgram.y" /* yacc.c:1646  */
     { (yyval) = (yyvsp[0]); yyerrok; }
-#line 3956 "awkgram.c" /* yacc.c:1646  */
+#line 3954 "awkgram.c" /* yacc.c:1646  */
     break;
 
   case 188:
-#line 1854 "awkgram.y" /* yacc.c:1646  */
+#line 1852 "awkgram.y" /* yacc.c:1646  */
     { yyerrok; }
-#line 3962 "awkgram.c" /* yacc.c:1646  */
+#line 3960 "awkgram.c" /* yacc.c:1646  */
     break;
 
 
-#line 3966 "awkgram.c" /* yacc.c:1646  */
+#line 3964 "awkgram.c" /* yacc.c:1646  */
       default: break;
     }
   /* User semantic actions sometimes alter yychar, and that requires
@@ -4190,7 +4188,7 @@ yyreturn:
 #endif
   return yyresult;
 }
-#line 1856 "awkgram.y" /* yacc.c:1906  */
+#line 1854 "awkgram.y" /* yacc.c:1906  */
 
 
 struct token {
@@ -6136,7 +6134,7 @@ retry:
 		}
 	}
 
-	if (c != '_' && ! isalpha(c)) {
+	if (c != '_' && ! is_alpha(c)) {
 		yyerror(_("invalid char '%c' in expression"), c);
 		return lasttok = LEX_EOF;
 	}
@@ -8254,3 +8252,52 @@ install_builtins(void)
 		}
 	}
 }
+
+/*
+ * 9/2014: Gawk cannot use <ctype.h> isalpha or isalnum when
+ * parsing the program since that can let through non-English
+ * letters.  So, we supply our own. !@#$%^&*()-ing locales!
+ */
+
+/* is_alpha --- return true if c is an English letter */
+
+bool
+is_alpha(int c)
+{
+#ifdef I_DONT_KNOW_WHAT_IM_DOING
+	return isalpha(c);
+#else /* ! I_DONT_KNOW_WHAT_IM_DOING */
+	switch (c) {
+	case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
+	case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
+	case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
+	case 's': case 't': case 'u': case 'v': case 'w': case 'x':
+	case 'y': case 'z':
+	case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
+	case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
+	case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
+	case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
+	case 'Y': case 'Z':
+		return true;
+	}
+	return false;
+#endif /* ! I_DONT_KNOW_WHAT_IM_DOING */
+}
+
+/* is_alnum --- return true for alphanumeric, English only letters */
+
+bool
+is_alnum(int c)
+{
+	/* digit test is good for EBCDIC too. so there. */
+	return (is_alpha(c) || ('0' <= c && c <= '9'));
+}
+
+
+/* is_identchar --- return true if c can be in an identifier */
+
+bool
+is_identchar(int c)
+{
+	return (is_alnum(c) || c == '_');
+}