parser yang BUGFIX read UTF-8 characters

Fixes: #160
diff --git a/src/parser_yang_bis.c b/src/parser_yang_bis.c
index ae5b393..6d3f026 100644
--- a/src/parser_yang_bis.c
+++ b/src/parser_yang_bis.c
@@ -8987,6 +8987,7 @@
 
 void yyerror(YYLTYPE *yylloc, void *scanner, ...){
 
-  (void)yylloc; /* unused */
-  LOGVAL(LYE_INSTMT, LY_VLOG_NONE, NULL, yyget_text(scanner));
+  if (yylloc->first_line != -1) {
+    LOGVAL(LYE_INSTMT, LY_VLOG_NONE, NULL, yyget_text(scanner));
+  }
 }
diff --git a/src/parser_yang_lex.c b/src/parser_yang_lex.c
index 5f98dcb..320d7e5 100644
--- a/src/parser_yang_lex.c
+++ b/src/parser_yang_lex.c
@@ -361,8 +361,8 @@
 	*yy_cp = '\0'; \
 	yyg->yy_c_buf_p = yy_cp;
 
-#define YY_NUM_RULES 130
-#define YY_END_OF_BUFFER 131
+#define YY_NUM_RULES 131
+#define YY_END_OF_BUFFER 132
 /* This struct is not used in this scanner,
    but its presence is necessary. */
 struct yy_trans_info
@@ -370,72 +370,79 @@
 	flex_int32_t yy_verify;
 	flex_int32_t yy_nxt;
 	};
-static yyconst flex_int16_t yy_accept[591] =
+static yyconst flex_int16_t yy_accept[651] =
     {   0,
-        0,    0,    0,    0,    0,    0,    0,    0,   96,   96,
-      131,  129,  128,  126,  129,  125,   94,  129,   93,  125,
-      125,  100,  102,   92,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,   90,   91,    2,    3,
-        2,    6,    7,    6,  130,  113,  111,  130,  116,  130,
-      107,  108,  109,  130,  103,  114,  106,  120,  104,  105,
-      120,  115,   98,   95,   96,   98,   96,   97,   96,  128,
-      127,  125,    0,    0,   99,  101,    1,    5,  125,  102,
-      123,  125,  123,  123,  123,  123,  123,  123,  123,  123,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,  132,  130,  129,  127,  130,  126,   92,   99,
+       91,  126,  126,  102,  104,   90,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,   88,   89,
+      130,  130,  130,  130,  130,  130,  130,  130,    2,    3,
+        2,  130,  130,  130,  130,  130,  130,  130,  130,    6,
+      115,  113,  130,  118,  109,  110,  111,  130,  105,  116,
+      108,  121,  106,  107,  121,  117,   93,   95,   94,   98,
+       94,  130,  130,  130,  130,  130,  130,  130,  130,  100,
 
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,    4,    8,  113,  112,    0,
-        0,  117,  110,  119,  118,  120,    0,  120,   96,    0,
-       96,   95,  101,  125,  102,  124,  123,   74,  123,  123,
-      123,  123,  123,   14,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,   36,  123,  123,  123,  123,
+      101,  130,  129,  128,  126,    0,    0,    0,    0,    0,
+        0,    0,    0,  103,    1,    5,  126,  104,  124,  126,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,    0,    0,    0,    0,    0,    0,    0,
+        4,    2,    0,    0,    0,    0,    0,    0,    0,  115,
+      114,  112,  120,  119,  121,    0,  121,   94,   93,    0,
 
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,   62,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  121,  120,  125,  102,  124,  123,  123,  123,  123,
-      123,   12,  123,   15,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,   22,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,   37,  123,   40,  123,  123,
-      123,  123,  123,   45,  123,  123,  123,  123,  123,  123,
-      123,   51,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,   84,   65,  123,  123,  123,
+        0,    0,    0,    0,    0,    0,  100,  103,  126,  104,
+      125,  124,   72,  124,  124,  124,  124,  124,   12,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+       34,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,   60,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  126,    0,    0,    0,
+        2,    0,    0,    0,  122,  121,   96,    0,    0,    0,
+      126,  104,  125,  124,  124,  124,  124,  124,   10,  124,
 
-       86,   69,  123,   71,  123,  123,  121,  120,  125,  102,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,   79,  123,  123,
-      123,  123,  123,  123,  123,   35,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,   56,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,   68,   70,  123,  123,
-      120,  125,   87,  123,    9,  123,  123,  123,   16,   17,
-      123,  123,  123,  123,   77,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,   33,  123,  123,   39,  123,
+       13,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+       20,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,   35,  124,   38,  124,  124,  124,  124,  124,
+       43,  124,  124,  124,  124,  124,  124,  124,   49,  124,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,   82,   63,  124,  124,  124,   84,   67,  124,
+       69,  124,  124,  126,    2,  122,  121,   97,  126,  104,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,  124,   77,  124,  124,
+      124,  124,  124,  124,  124,   33,  124,  124,  124,  124,
 
-      123,  123,  123,   44,  123,  123,  123,  123,  123,  123,
-       50,  123,  123,   54,  123,  123,   58,  123,  123,  123,
-       63,  123,   83,  123,  123,   67,  123,  123,  120,  125,
-       89,  123,   11,  123,   18,  123,   75,   20,  123,  123,
-       27,  123,  123,  123,  123,   28,  123,  123,  123,  123,
-       34,  123,  123,  123,  123,  123,  123,  123,  123,  123,
-      123,  123,   52,  123,  123,  123,   82,  123,  123,  123,
-       66,  123,  123,  123,   76,  125,   10,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,   30,   31,  123,  123,
-      123,  123,  123,   88,  123,  123,  123,   81,  123,  123,
+      124,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,   54,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,   66,   68,  124,  124,
+      121,  126,   85,  124,    7,  124,  124,  124,   14,   15,
+      124,  124,  124,  124,   75,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,   31,  124,  124,   37,  124,
+      124,  124,  124,   42,  124,  124,  124,  124,  124,  124,
+       48,  124,  124,   52,  124,  124,   56,  124,  124,  124,
+       61,  124,   81,  124,  124,   65,  124,  124,  121,  126,
+       87,  124,    9,  124,   16,  124,   73,   18,  124,  124,
 
-       53,   55,  123,  123,   60,  123,  123,  123,  123,  125,
-      123,   19,  123,  123,   26,  123,  123,   25,  123,  123,
-       38,   41,  123,  123,   46,  123,  123,  123,  123,   57,
-      123,  123,   64,   85,  123,  123,  122,   13,   78,  123,
-      123,  123,  123,   32,  123,  123,  123,  123,   48,  123,
-      123,  123,  123,  123,   21,  123,  123,  123,  123,  123,
-      123,  123,  123,  123,  123,  123,   73,  123,  123,  123,
-       42,   43,  123,   47,   49,  123,  123,   72,   23,   24,
-      123,   80,  123,   61,  123,  123,   29,  123,   59,    0
+       25,  124,  124,  124,  124,   26,  124,  124,  124,  124,
+       32,  124,  124,  124,  124,  124,  124,  124,  124,  124,
+      124,  124,   50,  124,  124,  124,   80,  124,  124,  124,
+       64,  124,  124,  124,   74,  126,    8,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,   28,   29,  124,  124,
+      124,  124,  124,   86,  124,  124,  124,   79,  124,  124,
+       51,   53,  124,  124,   58,  124,  124,  124,  124,  126,
+      124,   17,  124,  124,   24,  124,  124,   23,  124,  124,
+       36,   39,  124,  124,   44,  124,  124,  124,  124,   55,
+      124,  124,   62,   83,  124,  124,  123,   11,   76,  124,
+
+      124,  124,  124,   30,  124,  124,  124,  124,   46,  124,
+      124,  124,  124,  124,   19,  124,  124,  124,  124,  124,
+      124,  124,  124,  124,  124,  124,   71,  124,  124,  124,
+       40,   41,  124,   45,   47,  124,  124,   70,   21,   22,
+      124,   78,  124,   59,  124,  124,   27,  124,   57,    0
     } ;
 
 static yyconst YY_CHAR yy_ec[256] =
@@ -453,693 +460,1254 @@
 
        29,   30,   31,   32,   33,   21,   34,   35,   36,   37,
        38,   39,   40,   41,   42,   43,   44,   45,   46,   47,
-       48,   49,   50,    6,   51,    6,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+       48,   49,   50,    6,   51,    6,    6,   52,   52,   52,
+       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
+       52,   52,   52,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   54,
+       54,   54,   54,   54,   54,   54,   54,   54,   54,   54,
+       54,   54,   54,   54,   54,   54,   54,   54,   54,   54,
+       54,   54,   54,   54,   54,   54,   54,   54,   54,   54,
+       54,   55,   55,   56,   56,   56,   56,   56,   56,   56,
 
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1
+       56,   56,   56,   56,   56,   56,   56,   56,   56,   56,
+       56,   56,   56,   56,   56,   56,   56,   56,   56,   56,
+       56,   56,   56,   57,   58,   58,   58,   58,   58,   58,
+       58,   58,   58,   58,   58,   58,   59,   60,   60,   61,
+       62,   62,   62,   63,   55,   55,   55,   55,   55,   55,
+       55,   55,   55,   55,   55
     } ;
 
-static yyconst YY_CHAR yy_meta[52] =
+static yyconst YY_CHAR yy_meta[64] =
     {   0,
-        1,    2,    3,    3,    3,    4,    2,    3,    4,    4,
-        4,    4,    5,    5,    4,    5,    5,    6,    3,    4,
-        7,    4,    3,    4,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    3,
-        3
+        1,    1,    1,    1,    1,    2,    1,    1,    2,    2,
+        2,    2,    3,    3,    2,    3,    3,    4,    1,    2,
+        5,    2,    2,    2,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    1,
+        1,    1,    1,    1,    1,    2,    2,    2,    2,    2,
+        2,    2,    2
     } ;
 
-static yyconst flex_uint16_t yy_base[604] =
+static yyconst flex_uint16_t yy_base[660] =
     {   0,
-        0,    0,   49,   50,   51,   53,   61,    0,  112,  119,
-      489, 2278,  122, 2278,  466,    0, 2278,  121,    0,  448,
-      117,   42,  101, 2278,  137,  156,  176,  112,  105,  144,
-      157,  177,  186,  163,  196,  199,  201,  215,  213,  224,
-      233,  239,  236,  202,  242,  257, 2278, 2278, 2278, 2278,
-      445, 2278, 2278,  428, 2278,  131, 2278,  425, 2278,  150,
-     2278, 2278, 2278,  385,  149, 2278, 2278,  351, 2278, 2278,
-      135, 2278, 2278, 2278,  147,  358,  171, 2278,  281,  231,
-     2278,    0,  191,  341, 2278,  123,    0,    0,  191,  267,
-      264,  319,  266,  273,  267,  283,  288,  278,  313,  320,
+        0,    0,   61,  122,   62,   63,  185,    0,  248,  311,
+      374,  437,  472, 4766,   65, 4766,  453,   19, 4766, 4766,
+       27,   78,  490,   81,   88, 4766,  548,  606,  117,  128,
+      225,  231,  236,  254,  289,  294,  312,  351,  366,  371,
+      414,  432,  437,  475,  426,  481,  483,  501, 4766, 4766,
+       48,  390,   54,   16,   57,   40,   74,  362, 4766, 4766,
+      398,   77,  357,   95,   99,  110,  114,  231,  344, 4766,
+      168, 4766,  387, 4766, 4766, 4766, 4766,  280,  245, 4766,
+     4766,  274, 4766, 4766,  249, 4766, 4766, 4766, 4766, 4766,
+      272,  234,  203,  275,  237,  290,  243,  294,  119, 4766,
 
-      322,  327,  325,  341,  358,  342,  343,  352,  369,  293,
-      376,  381,  382,  383,  388,  393,  400,  405,  410,  412,
-      421,  428,  422,  437,  438,  443,  449,  450,  459,  461,
-      411,  462,  466,  485,  484,  490,  495,  496,  497,  506,
-      509,  516,  519,  521,  528, 2278, 2278,  245, 2278,  319,
-      307, 2278, 2278, 2278, 2278,  237,    0,  171,  256,  249,
-      552,  336,  362,  373,  407,  570,  535,  537,  544,  564,
-      538,  570,  571,  573,  582,  585,  587,  594,  596,  599,
-      608,  609,  614,  615,  621,  627,  628,  633,  638,  639,
-      644,  649,  655,  661,  662,  672,  674,  683,  684,  690,
+     4766,  298,  352, 4766,  259,  306,  105,  333,  284,  348,
+      308,  364,  105,  408,  309,  394,  432,  471,  537,  664,
+      548,  556,  604,  701,  703,  612,  721,  709,  727,  739,
+      745,  747,  765,  771,  786,  791,  616,  801,  812,  814,
+      831,  832,  833,  852,  850,  874,  851,  876,  894,  899,
+      902,  915,  923,  934,  943,  954,  962,  972,  980,  993,
+      993,  999, 1014, 1019, 1022, 1038, 1038, 1055, 1057, 1068,
+     1076, 1089, 1095,  368,  478,  483,  487,  534,  542,  549,
+     4766, 4766,  583,  662,  665,  707,  768,  853,  856,  378,
+     4766, 4766, 4766, 4766,   94,    0,  258, 4766, 4766,  876,
 
-      697,  707,  700,  706,  709,  728,  718,  721,  730,  733,
-      735,  740,  746,  752,  757,  762,  767,  769,  774,  776,
-      779,  781,  788,  793,  798,  800,  805,  812,  824,  819,
-      826,    0,  339,  174,  570,  856,  844,  850,  856,  861,
-      862,  871,  873,  874,  884,  883,  889,  890,  895,  900,
-      901,  907,  902,  912,  913,  922,  924,  927,  933,  936,
-      939,  945,  948,  954,  959,  972,  961,  966,  978,  981,
-      983,  988,  990,  995,  997, 1002, 1004, 1007, 1016, 1018,
-     1021, 1023, 1033, 1034, 1035, 1045, 1046, 1047, 1056, 1057,
-     1058, 1067, 1069, 1070, 1072, 1081, 1087, 1092, 1093, 1098,
+      940,  996, 1017, 1075, 1088, 1091, 4766, 1135, 1138, 1145,
+     1157, 1155, 1157, 1163, 1184, 1195, 1206, 1214, 1226, 1232,
+     1238, 1242, 1261, 1266, 1272, 1284, 1290, 1296, 1308, 1319,
+     1314, 1329, 1337, 1350, 1356, 1358, 1366, 1368, 1379, 1388,
+     1399, 1400, 1416, 1414, 1435, 1437, 1455, 1457, 1475, 1480,
+     1498, 1500, 1518, 1523, 1526, 1540, 1551, 1559, 1572, 1580,
+     1588, 1601, 1607, 1609, 1627, 1638, 1649, 1660, 1671, 1679,
+     1691, 1699, 1710, 1718, 1729, 1737,  435, 1105, 1192, 1243,
+     4766, 1336, 1417, 1434,    0,  314, 4766, 1452, 1461, 1480,
+      464, 1645, 1776, 1765, 1780, 1786, 1813, 1815, 1833, 1835,
 
-     1099, 1105, 1110, 1116, 1129, 1119,    0,  276,  481,  847,
-     1122, 1128, 1131, 1140, 1143, 1150, 1145, 1157, 1160, 1166,
-     1167, 1172, 1179, 1182, 1184, 1185, 1191, 1196, 1197, 1203,
-     1206, 1212, 1215, 1217, 1224, 1218, 1229, 1234, 1236, 1243,
-     1248, 1255, 1257, 1260, 1262, 1267, 1269, 1272, 1278, 1279,
-     1284, 1285, 1290, 1291, 1301, 1302, 1307, 1314, 1313, 1319,
-     1320, 1330, 1331, 1332, 1341, 1343, 1344, 1346, 1355, 1356,
-      355, 1239, 1357, 1368, 1369, 1370, 1379, 1381, 1380, 1386,
-     1391, 1392, 1402, 1403, 1408, 1414, 1415, 1424, 1426, 1427,
-     1436, 1438, 1441, 1439, 1448, 1450, 1455, 1460, 1461, 1467,
+     1841, 1853, 1859, 1874, 1879, 1885, 1897, 1908, 1916, 1931,
+     1936, 1942, 1954, 1960, 1965, 1980, 1980, 1996, 1998, 2017,
+     2019, 2025, 2037, 2043, 2048, 2063, 2068, 2074, 2078, 2086,
+     2094, 2102, 2110, 2118, 2126, 2139, 2145, 2147, 2165, 2167,
+     2173, 2185, 2196, 2207, 2215, 2226, 2237, 2249, 2249, 2268,
+     2270, 2288, 2293, 2299, 2311, 2317, 2311, 2327, 2329, 2346,
+     2347, 2360, 2368,  451, 4766,    0,  114, 4766, 1694, 1752,
+     2381, 2387, 2381, 2403, 2409, 2424, 2429, 2444, 2449, 2464,
+     2464, 2481, 2487, 2502, 2510, 2521, 2522, 2533, 2532, 2552,
+     2554, 2572, 2583, 2591, 2602, 2610, 2562, 2610, 2618, 2629,
 
-     1470, 1473, 1479, 1482, 1484, 1485, 1494, 1497, 1500, 1506,
-     1509, 1512, 1518, 1519, 1532, 1521, 1535, 1537, 1538, 1544,
-     1547, 1550, 1556, 1562, 1568, 1573, 1574, 1575,  227,  159,
-     1580, 1585, 1586, 1604, 1587, 1597, 1598, 1607, 1609, 1610,
-     1616, 1621, 1622, 1631, 1633, 1640, 1643, 1650, 1645, 1657,
-     1659, 1662, 1669, 1678, 1680, 1690, 1693, 1696, 1699, 1705,
-     1714, 1708, 1711, 1717, 1720, 1730, 1723, 1745, 1735, 1736,
-     1748, 1750, 1751, 1757,  145, 1254, 1762, 1769, 1772, 1771,
-     1774, 1781, 1786, 1791, 1797, 1810, 1803, 1812, 1813, 1815,
-     1822, 1824, 1827, 1834, 1836, 1839, 1846, 1849, 1855, 1858,
+     2637, 2645, 2656, 2658, 2677, 2679, 2697, 2702, 2717, 2725,
+     2736, 2748, 2756, 2767, 2778, 2789, 2800, 2808, 2819, 2831,
+     2831, 2850, 2852, 2870, 2875, 2881, 2893, 2899, 2893, 2909,
+      496, 1760, 2911, 2922, 2930, 2943, 2949, 2943, 2959, 2961,
+     2972, 2981, 2992, 3000, 3011, 3022, 3023, 3040, 3042, 3041,
+     3059, 3061, 3080, 3082, 3100, 3105, 3111, 3123, 3131, 3142,
+     3160, 3165, 3171, 3183, 3189, 3183, 3204, 3209, 3227, 3229,
+     3235, 3247, 3255, 3253, 3273, 3275, 3281, 3299, 3304, 3319,
+     3293, 3324, 3339, 3339, 3345, 3360, 3365, 3371,  363,  612,
+     3383, 3389, 3394, 3412, 3414, 3432, 3437, 3443, 3455, 3463,
 
-     1861, 1867, 1870, 1873, 1880, 1879, 1882, 1889, 1891, 1258,
-     1892, 1894, 1904, 1909, 1910, 1915, 1916, 1921, 1927, 1928,
-     1934, 1937, 1939, 1940, 1946, 1949, 1955, 1956, 1958, 1967,
-     1968, 1970, 1977, 1982, 1983, 1984,    0, 1989, 1994, 1995,
-     2000, 2001, 2006, 2011, 2012, 2013, 2024, 2025, 2035, 2036,
-     2037, 2047, 2048, 2058, 2059, 2060, 2065, 2074, 2075, 2077,
-     2087, 2089, 2096, 2098, 2099, 2110, 2105, 2115, 2120, 2125,
-     2126, 2127, 2136, 2137, 2138, 2143, 2148, 2149, 2150, 2155,
-     2160, 2161, 2162, 2167, 2172, 2177, 2182, 2183, 2184, 2278,
-     2217, 2224, 2231, 2235, 2241, 2245, 2251, 2254, 2259, 2263,
+     3474, 3482, 3482, 3499, 3501, 3512, 3521, 3532, 3540, 3552,
+     3558, 3552, 3573, 3579, 3585, 3591, 3597, 3601, 3612, 3620,
+     3631, 3633, 3644, 3653, 3664, 3672, 3683, 3691, 3702, 3703,
+     3714, 3722, 3735, 3741,   73, 1916, 3743, 3761, 3766, 3772,
+     3784, 3792, 3792, 3800, 3813, 3819, 3821, 3839, 3841, 3847,
+     3859, 3865, 3883, 3877, 3888, 3903, 3908, 3926, 3931, 3937,
+     3949, 3955, 3960, 3975, 3987, 3993, 3998, 4006, 4014, 1931,
+     4022, 4033, 4042, 4053, 4061, 4072, 4073, 4084, 4083, 4103,
+     4108, 4114, 4126, 4132, 4134, 4152, 4154, 4172, 4174, 4194,
+     4196, 4202, 4214, 4220, 4226, 4238,  502, 4244, 4246, 4264,
 
-      124, 2267, 2270
+     4266, 4286, 4288, 4306, 4308, 4326, 4331, 4349, 4351, 4369,
+     4359, 4384, 4373, 4392, 4403, 4411, 4424, 4437, 4435, 4448,
+     4456, 4469, 4475, 4477, 4495, 4500, 4506, 4518, 4524, 4530,
+     4542, 4548, 4550, 4568, 4570, 4576, 4594, 4588, 4599, 4614,
+     4619, 4637, 4639, 4645, 4649, 4665, 4670, 4676, 4688, 4766,
+     4732, 4737, 4742, 4746, 4750, 4753,   66, 4757, 4760
     } ;
 
-static yyconst flex_int16_t yy_def[604] =
+static yyconst flex_int16_t yy_def[660] =
     {   0,
-      590,    1,  591,  591,  592,  592,  590,    7,  593,  593,
-      590,  590,  590,  590,  590,  594,  590,  595,  594,  594,
-      594,  594,  594,  590,  596,  596,   26,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,  590,  590,  590,  590,
-      590,  590,  590,  590,  590,  590,  590,  590,  590,  597,
-      590,  590,  590,  590,  590,  590,  590,  598,  590,  590,
-      598,  590,  590,  590,  599,  590,  599,  590,  599,  590,
-      590,  594,  595,  590,  590,  594,  594,  594,  594,  594,
-       27,  600,   27,   27,   27,   27,   27,   27,   27,   27,
+      650,    1,  651,  651,    4,    4,  650,    7,  652,  652,
+      653,  653,  650,  650,  650,  650,  650,  654,  650,  650,
+      654,  654,  654,   23,   23,  650,  655,  655,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  656,  650,  650,  656,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
 
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,  105,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,  590,  590,  590,  590,  597,
-      590,  590,  590,  590,  590,  598,  601,  598,  599,  590,
-      599,  599,  594,  594,  594,  602,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
+      650,  650,  650,  650,   23,  650,  650,  650,  650,  650,
+      650,  650,  650,   23,   23,   23,   23,   23,   28,  650,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,  133,  133,  133,  133,
+      133,  133,  133,  133,  133,   28,  133,   28,   28,   28,
+      133,  133,  133,  133,   28,   28,   28,  133,  133,   28,
+      133,   28,   28,   28,  133,   28,  133,  133,  133,  133,
+      133,   28,   28,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  656,  657,  656,  650,  650,  650,
 
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,  603,  598,  594,  594,  602,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
+      650,  650,  650,  650,  650,  650,  650,   23,   23,   23,
+      658,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,  133,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,  133,  133,   28,   28,   28,  133,  133,  133,   28,
+       28,  133,  133,  133,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,  133,  133,  133,  133,  133,  133,
+      133,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   23,  650,  650,  650,
+      650,  650,  650,  650,  659,  656,  650,  650,  650,  650,
+       23,   23,  658,   28,   28,   28,   28,   28,   28,   28,
 
-       27,   27,   27,   27,   27,   27,  603,  598,  594,  594,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-      598,  594,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,  133,  133,  133,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,  133,  133,
+      133,  133,  133,  133,  133,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,  133,   28,
+       28,   28,   28,   28,   28,   28,  133,  133,  133,  133,
+      133,  133,  133,   23,  650,  659,  656,  650,   23,   23,
+       28,   28,  133,  133,   28,   28,   28,   28,   28,   28,
+      133,  133,   28,   28,   28,   28,  133,  133,   28,   28,
+       28,   28,   28,   28,   28,   28,  133,  133,  133,  133,
 
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,  598,  594,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,  598,  594,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
+      133,  133,  133,  133,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+      133,   28,   28,   28,   28,   28,   28,   28,  133,  133,
+      656,   23,  133,  133,  133,   28,   28,  133,  133,  133,
+      133,   28,   28,   28,   28,   28,  133,  133,  133,  133,
+      133,  133,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,  133,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,  133,   28,   28,   28,   28,  656,   23,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
 
-       27,   27,   27,   27,   27,   27,   27,   27,   27,  594,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,  594,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,   27,
-       27,   27,   27,   27,   27,   27,   27,   27,   27,    0,
-      590,  590,  590,  590,  590,  590,  590,  590,  590,  590,
+       28,   28,  133,  133,  133,  133,   28,   28,   28,   28,
+       28,  133,   28,   28,   28,   28,   28,  133,  133,  133,
+      133,  133,  133,   28,   28,   28,   28,   28,   28,  133,
+      133,  133,   28,   28,  656,   23,   28,   28,   28,   28,
+       28,   28,  133,  133,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,  133,  133,   23,
+      133,  133,   28,   28,   28,   28,  133,  133,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   23,   28,   28,   28,
 
-      590,  590,  590
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+      133,  133,  133,  133,  133,  133,  133,  133,  133,  133,
+      133,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
+       28,   28,   28,   28,  133,   28,   28,   28,   28,    0,
+      650,  650,  650,  650,  650,  650,  650,  650,  650
     } ;
 
-static yyconst flex_uint16_t yy_nxt[2330] =
+static yyconst flex_uint16_t yy_nxt[4830] =
     {   0,
-       12,   13,   14,   15,   13,   16,   17,   18,   16,   16,
-       16,   19,   20,   16,   21,   22,   23,   16,   24,   16,
-       25,   16,   12,   16,   26,   27,   28,   29,   30,   31,
-       32,   25,   33,   34,   35,   36,   37,   38,   39,   25,
-       40,   41,   42,   43,   44,   45,   25,   46,   25,   47,
-       48,   50,   50,   53,   54,   53,   54,   89,   89,   51,
-       51,   55,   56,   57,   58,   56,   55,   59,   60,   61,
-       62,   55,   63,   55,   64,   65,   55,   55,   55,   66,
-       67,   68,   69,   55,   70,   68,   68,   71,   68,   68,
-       68,   68,   68,   68,   68,   68,   68,   68,   68,   68,
+       14,   15,   16,   17,   15,   18,   19,   20,   18,   18,
+       18,   21,   22,   18,   23,   24,   25,   18,   26,   18,
+       27,   18,   18,   18,   28,   29,   30,   31,   32,   33,
+       34,   27,   35,   36,   37,   38,   39,   40,   41,   27,
+       42,   43,   44,   45,   46,   47,   27,   48,   27,   49,
+       50,   14,   14,   14,   14,   51,   52,   53,   54,   55,
+       56,   57,   58,   60,   70,   70,  103,  176,  176,  103,
+      285,   61,   59,   59,  106,  107,  108,  109,  110,  111,
+      112,  113,  106,  107,  108,  109,  110,  111,  112,  113,
+      196,  105,  178,  178,  114,  105,  117,  117,  105,  105,
 
-       68,   68,   68,   68,   68,   68,   68,   68,   68,   68,
-       72,   55,   73,   74,   75,   76,   90,   90,   78,   73,
-       74,   75,   76,   80,   84,   78,   80,   87,   85,   91,
-      232,   88,  148,  105,   79,  148,  101,   91,  163,  163,
-       91,   79,   82,  102,   91,   82,   82,   82,   82,  103,
-      160,   82,  157,  151,   92,  104,   82,  152,   82,  154,
-       82,   82,  157,  155,   82,   82,   82,   82,   91,  161,
-       82,  476,   91,   92,  160,   82,   91,   82,  158,   82,
-      106,  109,   93,   94,  107,  110,  309,   91,  157,   91,
-      108,  117,   95,  161,   84,   91,   96,  111,   85,   97,
+      105,  105,  105,  118,  118,  175,  175,  175,  177,  177,
+      177,  196,   14,   14,   14,   14,   62,   63,   64,   65,
+       66,   67,   68,   69,   60,  179,  179,  179,  182,  182,
+      182,  196,   61,  106,  107,  108,  109,  110,  111,  112,
+      113,  126,  431,  119,  119,  127,  184,  184,  184,  128,
+      185,  185,  129,  119,  119,  119,  180,  119,  174,  130,
+      119,  186,  186,  186,  119,  131,  187,  187,  119,  190,
+      206,  132,  190,   14,   14,   14,   14,   62,   63,   64,
+       65,   66,   67,   68,   69,   14,   71,   72,   73,   71,
+       14,   74,   20,   75,   76,   14,   77,   14,   78,   79,
 
-       98,   91,   91,   91,   99,   91,  164,  164,  100,   91,
-       91,  233,   91,  113,   91,  114,   91,  112,   91,   91,
-       91,  115,  116,  120,  118,  124,  142,   91,  119,   91,
-       91,  121,   80,   91,   91,   80,  122,  129,  125,   91,
-      126,   91,  123,   91,  157,   91,  148,   91,  132,  148,
-      130,  159,  133,  131,  157,  127,   91,   91,  128,  160,
-       91,   91,  134,   91,   91,   91,   91,   91,   91,  475,
-       91,   91,  140,  143,   91,  135,  136,  141,  161,  138,
-      137,  144,  165,  165,  160,   91,  139,  159,   91,  145,
-       91,   91,   91,  157,   91,   91,   91,   91,   91,   91,
+       14,   14,   14,   80,   81,   82,   83,   14,   84,   82,
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+      119,  119,  502,  505,  119,  119,  119,  504,  119,  119,
+      119,  119,  119,  119,  119,  119,  119,  506,  119,  650,
+      119,  650,  650,  119,  650,  119,  650,  119,  507,  119,
+
+      119,  650,  119,  119,  650,  119,  119,  119,  119,  119,
+      650,  650,  650,  650,  650,  650,  508,  650,  119,  650,
+      119,  650,  119,  119,  509,  119,  119,  119,  650,  650,
+      650,  119,  119,  650,  650,  650,  119,  119,  119,  511,
+      119,  119,  510,  119,  650,  119,  650,  119,  119,  119,
+      119,  119,  650,  650,  119,  512,  650,  119,  119,  119,
+      650,  650,  650,  119,  650,  650,  119,  119,  119,  119,
+      650,  119,  650,  650,  119,  650,  650,  650,  119,  513,
+      650,  650,  119,  650,  650,  119,  119,  119,  514,  650,
+      650,  119,  119,  515,  650,  650,  119,  119,  119,  516,
+
+      119,  119,  650,  119,  650,  119,  650,  119,  119,  119,
+      119,  119,  119,  517,  119,  119,  119,  119,  650,  119,
+      650,  518,  650,  119,  119,  119,  119,  119,  650,  119,
+      519,  119,  119,  650,  650,  119,  119,  650,  650,  650,
+      119,  650,  650,  650,  119,  119,  650,  119,  650,  119,
+      650,  520,  119,  119,  521,  119,  119,  650,  650,  650,
+      650,  119,  119,  119,  650,  119,  650,  119,  650,  119,
+      119,  119,  119,  119,  119,  119,  650,  522,  119,  119,
+      119,  119,  119,  523,  650,  650,  650,  119,  650,  119,
+      119,  119,  524,  119,  650,  119,  119,  650,  119,  525,
+
+      119,  119,  119,  650,  650,  650,  650,  119,  119,  119,
+      650,  526,  650,  119,  650,  119,  119,  119,  119,  119,
+      119,  119,  650,  650,  119,  119,  119,  527,  650,  119,
+      119,  119,  528,  119,  650,  119,  119,  650,  650,  119,
+      119,  650,  119,  650,  119,  119,  119,  119,  650,  650,
+      119,  119,  650,  650,  650,  119,  529,  650,  650,  119,
+      119,  650,  119,  650,  119,  119,  119,  530,  531,  650,
+      650,  119,  532,  119,  650,  119,  650,  119,  650,  119,
+      119,  119,  119,  119,  650,  119,  119,  119,  119,  650,
+      650,  119,  119,  533,  650,  650,  119,  119,  119,  534,
+
+      119,  119,  650,  119,  650,  119,  650,  119,  119,  119,
+      119,  119,  650,  650,  119,  119,  119,  650,  650,  119,
+      119,  119,  650,  119,  538,  119,  119,  650,  650,  119,
+      119,  537,  119,  650,  119,  650,  650,  119,  119,  119,
+      119,  119,  650,  650,  650,  650,  650,  650,  119,  650,
+      119,  650,  119,  650,  119,  119,  650,  119,  119,  119,
+      539,  650,  650,  119,  119,  650,  650,  650,  119,  119,
+      119,  650,  119,  119,  650,  119,  650,  119,  650,  119,
+      119,  119,  119,  119,  650,  650,  119,  650,  650,  119,
+      119,  119,  650,  650,  650,  119,  650,  540,  119,  119,
+
+      119,  119,  650,  119,  650,  541,  119,  650,  119,  119,
+      119,  119,  650,  650,  119,  650,  119,  119,  119,  542,
+      543,  650,  119,  119,  650,  119,  119,  544,  119,  650,
+      119,  650,  650,  119,  650,  119,  650,  119,  545,  119,
+      119,  119,  119,  119,  650,  119,  119,  119,  119,  650,
+      119,  650,  650,  119,  650,  650,  119,  546,  119,  119,
+      650,  119,  547,  650,  119,  650,  119,  119,  119,  650,
+      650,  650,  119,  650,  650,  119,  119,  650,  119,  119,
+      119,  119,  650,  119,  119,  119,  119,  548,  119,  650,
+      119,  650,  119,  550,  119,  549,  119,  650,  119,  119,
+
+      119,  119,  650,  650,  650,  119,  119,  650,  650,  119,
+      650,  119,  119,  551,  552,  119,  119,  119,  119,  119,
+      553,  119,  119,  555,  119,  119,  650,  119,  119,  650,
+      119,  554,  650,  119,  119,  119,  557,  119,  650,  556,
+      119,  119,  119,  559,  650,  119,  119,  650,  558,  119,
+      119,  650,  650,  119,  119,  650,  119,  560,  119,  650,
+      119,  119,  119,  650,  119,  119,  650,  119,  650,  119,
+      650,  119,  119,  119,  119,  119,  650,  119,  119,  119,
+      119,  650,  119,  650,  650,  119,  650,  650,  119,  561,
+      119,  119,  562,  119,  650,  650,  119,  650,  563,  119,
+
+      119,  650,  650,  564,  119,  650,  650,  119,  119,  119,
+      119,  650,  119,  650,  650,  119,  650,  119,  119,  119,
+      650,  650,  650,  119,  650,  650,  119,  119,  119,  119,
+      650,  119,  119,  650,  119,  650,  650,  566,  565,  650,
+      650,  119,  119,  119,  119,  119,  650,  119,  119,  650,
+      567,  119,  119,  650,  650,  119,  119,  650,  119,  650,
+      119,  119,  119,  119,  650,  650,  119,  119,  119,  119,
+      119,  119,  650,  650,  650,  568,  569,  119,  119,  119,
+      650,  119,  650,  119,  119,  650,  119,  119,  119,  650,
+      650,  650,  119,  119,  650,  650,  650,  119,  119,  119,
+
+      573,  119,  119,  571,  119,  650,  572,  650,  119,  119,
+      119,  119,  119,  650,  650,  119,  574,  650,  119,  119,
+      119,  119,  650,  650,  119,  650,  119,  119,  575,  119,
+      576,  579,  119,  119,  119,  119,  119,  650,  119,  119,
+      119,  577,  650,  650,  119,  119,  119,  119,  119,  578,
+      650,  650,  650,  119,  650,  119,  119,  119,  650,  119,
+      650,  119,  119,  650,  119,  119,  119,  119,  119,  650,
+      650,  650,  650,  119,  119,  119,  650,  119,  650,  119,
+      650,  580,  119,  119,  119,  119,  119,  119,  650,  581,
+      119,  119,  119,  583,  650,  119,  650,  650,  650,  119,
+
+      650,  119,  119,  119,  119,  119,  582,  650,  119,  119,
+      119,  584,  650,  119,  119,  119,  585,  119,  650,  119,
+      119,  650,  650,  119,  119,  650,  119,  650,  119,  119,
+      119,  119,  650,  650,  119,  119,  650,  650,  650,  119,
+      586,  650,  650,  119,  119,  650,  119,  650,  119,  650,
+      587,  119,  119,  119,  650,  650,  588,  119,  119,  650,
+      650,  650,  119,  119,  119,  650,  119,  119,  650,  119,
+      650,  119,  650,  119,  119,  119,  119,  119,  650,  589,
+      119,  119,  119,  650,  650,  119,  119,  119,  590,  119,
+      650,  119,  119,  650,  650,  119,  119,  650,  119,  592,
+
+      119,  119,  119,  119,  650,  650,  650,  591,  650,  650,
+      650,  119,  650,  119,  119,  119,  650,  650,  119,  119,
+      119,  593,  650,  119,  119,  594,  650,  119,  650,  119,
+      119,  650,  650,  119,  119,  119,  119,  650,  119,  650,
+      119,  119,  596,  119,  119,  650,  650,  595,  119,  650,
+      119,  119,  119,  650,  650,  119,  119,  650,  119,  598,
+      119,  650,  119,  119,  650,  650,  119,  119,  119,  599,
+      650,  119,  650,  650,  119,  650,  650,  119,  119,  119,
+      119,  650,  119,  650,  601,  119,  650,  119,  119,  119,
+      600,  650,  650,  119,  650,  650,  119,  119,  119,  119,
+
+      650,  119,  119,  650,  119,  650,  650,  119,  119,  119,
+      603,  119,  119,  119,  602,  119,  650,  119,  119,  119,
+      650,  650,  119,  119,  650,  119,  119,  650,  119,  119,
+      119,  604,  650,  650,  119,  119,  650,  650,  650,  119,
+      119,  119,  650,  119,  119,  650,  119,  650,  119,  650,
+      119,  119,  119,  119,  119,  650,  650,  119,  119,  119,
+      119,  119,  605,  650,  650,  650,  119,  650,  606,  119,
+      119,  650,  119,  650,  119,  119,  650,  119,  119,  119,
+      119,  119,  650,  650,  650,  650,  608,  650,  119,  650,
+      119,  650,  607,  650,  119,  119,  650,  119,  119,  119,
+
+      119,  119,  650,  650,  650,  650,  610,  650,  119,  650,
+      119,  650,  119,  650,  119,  119,  650,  119,  650,  609,
+      119,  119,  119,  119,  650,  650,  650,  650,  119,  612,
+      119,  650,  611,  650,  119,  650,  119,  119,  119,  119,
+      119,  119,  119,  650,  650,  119,  119,  119,  650,  650,
+      119,  650,  119,  119,  119,  650,  119,  119,  613,  650,
+      119,  650,  119,  119,  119,  119,  119,  650,  650,  119,
+      119,  119,  119,  119,  614,  650,  650,  650,  119,  650,
+      119,  119,  119,  650,  119,  650,  119,  119,  650,  119,
+      119,  119,  119,  119,  650,  650,  650,  650,  650,  650,
+
+      615,  650,  119,  650,  119,  650,  119,  119,  616,  119,
+      617,  650,  119,  119,  119,  119,  650,  650,  650,  650,
+      618,  650,  119,  650,  119,  650,  119,  650,  119,  119,
+      650,  119,  119,  119,  119,  119,  650,  650,  650,  650,
+      650,  650,  119,  650,  119,  650,  119,  650,  119,  119,
+      619,  119,  119,  119,  650,  650,  650,  119,  119,  650,
+      650,  650,  119,  650,  650,  650,  119,  119,  620,  119,
+      650,  119,  650,  621,  119,  119,  119,  119,  119,  650,
+      650,  650,  650,  650,  650,  119,  622,  119,  119,  119,
+      650,  119,  119,  119,  119,  119,  119,  119,  650,  650,
+
+      624,  650,  119,  119,  650,  119,  623,  119,  625,  119,
+      626,  119,  119,  119,  119,  650,  650,  119,  119,  650,
+      650,  119,  119,  650,  650,  119,  119,  650,  119,  650,
+      119,  650,  119,  119,  627,  628,  119,  119,  650,  650,
+      119,  119,  650,  650,  119,  119,  650,  119,  650,  119,
+      650,  650,  119,  119,  629,  119,  650,  650,  119,  650,
+      650,  650,  119,  650,  119,  119,  119,  630,  119,  119,
+      650,  119,  650,  119,  650,  119,  631,  119,  119,  119,
+      650,  119,  119,  650,  633,  119,  119,  650,  650,  632,
+      119,  650,  119,  650,  119,  119,  119,  119,  650,  650,
+
+      119,  119,  119,  119,  119,  634,  650,  650,  650,  119,
+      650,  635,  119,  119,  650,  119,  650,  119,  119,  636,
+      119,  119,  119,  650,  650,  650,  119,  119,  650,  650,
+      650,  119,  119,  119,  650,  119,  638,  637,  119,  650,
+      119,  650,  119,  119,  119,  119,  119,  650,  639,  119,
+      119,  119,  640,  650,  119,  650,  119,  119,  119,  650,
+      119,  119,  641,  650,  119,  650,  119,  119,  119,  119,
+      119,  650,  650,  119,  119,  119,  119,  642,  119,  650,
+      650,  650,  119,  650,  119,  119,  119,  650,  119,  650,
+      119,  119,  650,  119,  119,  119,  119,  119,  650,  650,
+
+      643,  650,  119,  119,  119,  650,  119,  650,  119,  650,
+      119,  119,  119,  119,  119,  119,  119,  650,  650,  119,
+      119,  119,  644,  650,  119,  119,  119,  650,  119,  650,
+      119,  119,  650,  650,  119,  119,  650,  119,  650,  119,
+      119,  119,  119,  650,  650,  119,  119,  650,  650,  650,
+      119,  650,  650,  650,  119,  119,  650,  119,  650,  119,
+      650,  645,  119,  119,  119,  119,  119,  650,  650,  650,
+      650,  119,  119,  119,  650,  646,  650,  119,  119,  119,
+      119,  119,  119,  119,  650,  119,  650,  119,  119,  650,
+      647,  648,  119,  119,  650,  650,  119,  119,  650,  650,
+
+      650,  119,  119,  119,  649,  119,  119,  650,  119,  650,
+      119,  650,  119,  119,  119,  119,  119,  650,  650,  119,
+      650,  650,  650,  650,  119,  650,  650,  650,  119,  650,
+      650,  119,   59,   59,   59,   59,   59,   89,   89,   89,
+       89,   89,  100,  100,  100,  100,  100,  105,  105,  105,
+      105,  119,  119,  119,  119,  195,  195,  195,  293,  293,
+      293,  293,  366,  650,  366,   13,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650
     } ;
 
-static yyconst flex_int16_t yy_chk[2330] =
+static yyconst flex_int16_t yy_chk[4830] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    3,    4,    5,    5,    6,    6,   22,   22,    3,
-        4,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    3,    5,    6,   15,   54,   54,   15,
+      657,    3,    5,    6,   18,   18,   18,   18,   18,   18,
+       18,   18,   21,   21,   21,   21,   21,   21,   21,   21,
+      535,   24,   56,   56,   22,   24,   24,   24,   25,   51,
+
+       51,   51,   25,   25,   25,   53,   53,   53,   55,   55,
+       55,  195,    3,    3,    3,    3,    3,    3,    3,    3,
+        3,    3,    3,    3,    4,   57,   57,   57,   62,   62,
+       62,  367,    4,   22,   22,   22,   22,   22,   22,   22,
+       22,   29,  367,   29,   29,   29,   64,   64,   64,   29,
+       65,   65,   30,   29,   30,   30,  113,   29,  107,   30,
+       29,   66,   66,   66,   30,   30,   67,   67,   30,   71,
+       99,   30,   71,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    7,    7,    7,    7,    7,
         7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
 
         7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    9,    9,    9,    9,   23,   23,    9,   10,
-       10,   10,   10,   13,   18,   10,   13,   21,   18,   29,
-      601,   21,   56,   29,    9,   56,   28,   29,   86,   86,
-       28,   10,   25,   28,   28,   25,   25,   25,   25,   28,
-       75,   25,   71,   60,   25,   28,   25,   60,   25,   65,
-       25,   26,  475,   65,   26,   26,   26,   26,   30,   75,
-       26,  430,   30,   26,   77,   26,   30,   26,   71,   26,
-       30,   31,   26,   26,   30,   31,  234,   34,  158,   31,
-       30,   34,   26,   77,   83,   34,   26,   31,   83,   26,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    9,    9,
+        9,   31,   31,   31,    9,   79,   93,   32,   32,   79,
+       33,   31,   33,   33,   33,   31,   85,   32,   31,  105,
+        9,   32,   33,  105,   32,  197,   33,   32,   91,   33,
+       34,   34,   68,   68,   68,   92,   92,   92,   95,   95,
+       34,   82,   85,   78,   34,   97,   97,   34,  197,    9,
 
-       27,   32,   27,   27,   27,   32,   89,   89,   27,   32,
-       33,  158,   27,   33,   33,   33,   27,   32,   33,   27,
-       35,   33,   33,   36,   35,   37,   44,   36,   35,   37,
-       44,   36,   80,   37,   44,   80,   36,   39,   37,   38,
-       38,   39,   36,   38,  429,   39,  148,   38,   40,  148,
-       39,  160,   40,   39,  156,   38,   40,   41,   38,  159,
-       43,   41,   40,   42,   43,   41,   45,   42,   43,  429,
-       45,   42,   43,   45,   45,   41,   41,   43,  159,   42,
-       41,   46,   90,   90,   79,   46,   42,   79,   91,   46,
-       93,   95,   91,  308,   93,   95,   91,   94,   93,   95,
+        9,    9,    9,    9,    9,    9,    9,    9,    9,    9,
+        9,   10,   10,   10,   91,   35,   35,   10,   35,  115,
+       36,   36,   36,  115,   35,   35,   94,   94,   94,   35,
+       36,  286,   35,   10,   36,  109,  109,   36,   37,   37,
+       37,   96,   96,   96,   37,   98,   98,   98,   37,  102,
+      102,  102,   37,  103,  286,   37,  103,  106,  106,  106,
+      111,  111,   10,   10,   10,   10,   10,   10,   10,   10,
+       10,   10,   10,   10,   11,   38,   11,   38,   38,  190,
+      489,   11,  190,   38,  108,  108,  108,   38,   38,   73,
+       39,   38,   39,   39,   38,   69,   40,   40,   40,  110,
 
-       94,   94,   98,   79,  308,   94,   98,   96,   93,  151,
-       98,   96,   97,   96,   95,   96,   97,  110,   97,   98,
-       97,  110,  150,   79,   92,  110,  150,   92,   92,   92,
-       92,   92,   92,   92,   92,   92,   92,   99,   92,  162,
-       92,   99,   92,   84,  100,   99,  101,   99,  100,  103,
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+      475,  476,  476,    0,    0,    0,    0,  477,  477,  475,
+        0,  476,    0,  475,    0,  476,  475,  477,  476,  481,
+      481,  477,    0,    0,  477,  478,  478,  478,    0,  481,
+      479,  479,  479,  481,    0,  478,  481,    0,    0,  478,
+      479,    0,  478,    0,  479,  480,  480,  479,    0,    0,
+      482,  482,    0,    0,    0,  480,  480,    0,    0,  480,
+      482,    0,  480,    0,  482,  483,  483,  482,  484,    0,
+        0,  485,  485,  484,    0,  483,    0,  484,    0,  483,
+      484,  485,  483,  484,    0,  485,  486,  486,  485,    0,
+        0,  487,  487,  487,    0,    0,  486,  488,  488,  488,
+
+      486,  487,    0,  486,    0,  487,    0,  488,  487,  491,
+      491,  488,    0,    0,  488,  492,  492,    0,    0,  491,
+      493,  493,    0,  491,  494,  492,  491,    0,    0,  492,
+      493,  492,  492,    0,  493,    0,    0,  493,  494,  494,
+      495,  495,    0,    0,    0,    0,    0,    0,  494,    0,
+      495,    0,  494,    0,  495,  494,    0,  495,  496,  496,
+      496,    0,    0,  497,  497,    0,    0,    0,  496,  498,
+      498,    0,  496,  497,    0,  496,    0,  497,    0,  498,
+      497,  499,  499,  498,    0,    0,  498,    0,    0,  500,
+      500,  499,    0,    0,    0,  499,    0,  499,  499,  500,
+
+      501,  501,    0,  500,    0,  500,  500,    0,  502,  502,
+      501,  503,    0,    0,  501,    0,  503,  501,  502,  502,
+      503,    0,  502,  503,    0,  502,  503,  504,  504,    0,
+      505,    0,    0,  504,    0,  505,    0,  504,  505,  505,
+      504,  506,  505,  504,    0,  505,  506,  507,  507,    0,
+      506,    0,    0,  506,    0,    0,  506,  507,  508,  508,
+        0,  507,  508,    0,  507,    0,  509,  509,  508,    0,
+        0,    0,  508,    0,    0,  508,  509,    0,  510,  510,
+      509,  512,    0,  509,  511,  511,  512,  509,  510,    0,
+      512,    0,  510,  512,  511,  510,  512,    0,  511,  513,
+
+      513,  511,    0,    0,    0,  514,  514,    0,    0,  513,
+        0,  515,  515,  513,  514,  514,  513,  516,  516,  514,
+      515,  515,  514,  517,  517,  515,    0,  516,  515,    0,
+      518,  516,    0,  517,  516,  518,  519,  517,    0,  518,
+      517,  519,  518,  521,    0,  518,  519,    0,  520,  520,
+      519,    0,    0,  519,  520,    0,  519,  522,  520,    0,
+      521,  520,  522,    0,  520,  521,    0,  522,    0,  521,
+        0,  522,  521,  523,  522,  521,    0,  522,  523,  524,
+      524,    0,  523,    0,    0,  523,    0,    0,  523,  524,
+      525,  525,  525,  524,    0,    0,  524,    0,  526,  526,
+
+      525,    0,    0,  528,  525,    0,    0,  525,  526,  527,
+      527,    0,  526,    0,    0,  526,    0,  528,  528,  527,
+        0,    0,    0,  527,    0,    0,  527,  528,  529,  529,
+        0,  528,  530,    0,  528,    0,    0,  530,  529,    0,
+        0,  530,  529,  531,  530,  529,    0,  530,  531,    0,
+      532,  532,  531,    0,    0,  531,  532,    0,  531,    0,
+      532,  533,  533,  532,    0,    0,  532,  534,  534,  537,
+      537,  533,    0,    0,    0,  533,  534,  534,  533,  537,
+        0,  534,    0,  537,  534,    0,  537,  538,  538,    0,
+        0,    0,  539,  539,    0,    0,    0,  538,  540,  540,
+
+      540,  538,  539,  538,  538,    0,  539,    0,  540,  539,
+      541,  541,  540,    0,    0,  540,  541,    0,  542,  542,
+      541,  543,    0,    0,  541,    0,  543,  541,  542,  544,
+      543,  546,  542,  543,  544,  542,  543,    0,  544,  545,
+      545,  544,    0,    0,  544,  546,  546,  547,  547,  545,
+        0,    0,    0,  545,    0,  546,  545,  547,    0,  546,
+        0,  547,  546,    0,  547,  548,  548,  549,  549,    0,
+        0,    0,    0,  550,  550,  548,    0,  549,    0,  548,
+        0,  549,  548,  550,  549,  551,  551,  550,    0,  550,
+      550,  552,  552,  552,    0,  551,    0,    0,    0,  551,
+
+        0,  552,  551,  554,  554,  552,  551,    0,  552,  553,
+      553,  553,    0,  554,  555,  555,  555,  554,    0,  553,
+      554,    0,    0,  553,  555,    0,  553,    0,  555,  556,
+      556,  555,    0,    0,  557,  557,    0,    0,    0,  556,
+      556,    0,    0,  556,  557,    0,  556,    0,  557,    0,
+      557,  557,  558,  558,    0,    0,  559,  559,  559,    0,
+        0,    0,  558,  560,  560,    0,  558,  559,    0,  558,
+        0,  559,    0,  560,  559,  561,  561,  560,    0,  560,
+      560,  562,  562,    0,    0,  561,  563,  563,  563,  561,
+        0,  562,  561,    0,    0,  562,  563,    0,  562,  565,
+
+      563,  564,  564,  563,    0,    0,    0,  564,    0,    0,
+        0,  564,    0,  565,  565,  564,    0,    0,  564,  566,
+      566,  566,    0,  565,  567,  567,    0,  565,    0,  566,
+      565,    0,    0,  566,  567,  568,  566,    0,  567,    0,
+      568,  567,  569,  569,  568,    0,    0,  568,  569,    0,
+      568,  571,  569,    0,    0,  569,  571,    0,  569,  571,
+      571,    0,  572,  571,    0,    0,  571,  572,  573,  573,
+        0,  572,    0,    0,  572,    0,    0,  572,  573,  574,
+      574,    0,  573,    0,  576,  573,    0,  575,  575,  574,
+      574,    0,    0,  574,    0,    0,  574,  575,  576,  576,
+
+        0,  575,  577,    0,  575,    0,    0,  577,  576,  579,
+      579,  577,  576,  578,  577,  576,    0,  577,  578,  579,
+        0,    0,  578,  579,    0,  578,  579,    0,  578,  580,
+      580,  580,    0,    0,  581,  581,    0,    0,    0,  580,
+      582,  582,    0,  580,  581,    0,  580,    0,  581,    0,
+      582,  581,  583,  583,  582,    0,    0,  582,  584,  584,
+      585,  585,  583,    0,    0,    0,  583,    0,  584,  583,
+      585,    0,  584,    0,  585,  584,    0,  585,  586,  586,
+      587,  587,    0,    0,    0,    0,  587,    0,  586,    0,
+      587,    0,  586,    0,  587,  586,    0,  587,  588,  588,
+
+      589,  589,    0,    0,    0,    0,  589,    0,  588,    0,
+      589,    0,  588,    0,  589,  588,    0,  589,    0,  588,
+      590,  590,  591,  591,    0,    0,    0,    0,  592,  592,
+      590,    0,  591,    0,  590,    0,  591,  590,  592,  591,
+      593,  593,  592,    0,    0,  592,  594,  594,    0,    0,
+      593,    0,  595,  595,  593,    0,  594,  593,  595,    0,
+      594,    0,  595,  594,  596,  596,  595,    0,    0,  595,
+      598,  598,  599,  599,  596,    0,    0,    0,  596,    0,
+      598,  596,  599,    0,  598,    0,  599,  598,    0,  599,
+      600,  600,  601,  601,    0,    0,    0,    0,    0,    0,
+
+      600,    0,  601,    0,  600,    0,  601,  600,  601,  601,
+      602,    0,  602,  602,  603,  603,    0,    0,    0,    0,
+      603,    0,  602,    0,  603,    0,  602,    0,  603,  602,
+        0,  603,  604,  604,  605,  605,    0,    0,    0,    0,
+        0,    0,  604,    0,  605,    0,  604,    0,  605,  604,
+      605,  605,  606,  606,    0,    0,    0,  607,  607,    0,
+        0,    0,  606,    0,    0,    0,  606,  607,  606,  606,
+        0,  607,    0,  607,  607,  608,  608,  609,  609,    0,
+        0,    0,    0,    0,    0,  608,  608,  609,  611,  608,
+        0,  609,  608,  611,  609,  610,  610,  611,    0,    0,
+
+      611,    0,  613,  611,    0,  610,  610,  613,  612,  610,
+      613,  613,  610,  612,  613,    0,    0,  613,  612,    0,
+        0,  614,  612,    0,    0,  612,  614,    0,  612,    0,
+      614,    0,  615,  614,  614,  616,  614,  615,    0,    0,
+      616,  615,    0,    0,  615,  616,    0,  615,    0,  616,
+        0,    0,  616,  617,  617,  616,    0,    0,  617,    0,
+        0,    0,  617,    0,  619,  617,  618,  618,  617,  619,
+        0,  618,    0,  619,    0,  618,  619,  620,  618,  619,
+        0,  618,  620,    0,  621,  621,  620,    0,    0,  620,
+      621,    0,  620,    0,  621,  622,  622,  621,    0,    0,
+
+      621,  623,  623,  624,  624,  622,    0,    0,    0,  622,
+        0,  623,  622,  624,    0,  623,    0,  624,  623,  624,
+      624,  625,  625,    0,    0,    0,  626,  626,    0,    0,
+        0,  625,  627,  627,    0,  625,  626,  625,  625,    0,
+      626,    0,  627,  626,  628,  628,  627,    0,  628,  627,
+      629,  629,  629,    0,  628,    0,  630,  630,  628,    0,
+      629,  628,  630,    0,  629,    0,  630,  629,  631,  631,
+      630,    0,    0,  630,  632,  632,  633,  633,  631,    0,
+        0,    0,  631,    0,  632,  631,  633,    0,  632,    0,
+      633,  632,    0,  633,  634,  634,  635,  635,    0,    0,
+
+      636,    0,  636,  636,  634,    0,  635,    0,  634,    0,
+      635,  634,  636,  635,  638,  638,  636,    0,    0,  636,
+      637,  637,  637,    0,  638,  639,  639,    0,  638,    0,
+      637,  638,    0,    0,  637,  639,    0,  637,    0,  639,
+      640,  640,  639,    0,    0,  641,  641,    0,    0,    0,
+      640,    0,    0,    0,  640,  641,    0,  640,    0,  641,
+        0,  641,  641,  642,  642,  643,  643,    0,    0,    0,
+        0,  644,  644,  642,    0,  643,    0,  642,  645,  643,
+      642,  644,  643,  645,    0,  644,    0,  645,  644,    0,
+      645,  646,  646,  645,    0,    0,  647,  647,    0,    0,
+
+        0,  646,  648,  648,  648,  646,  647,    0,  646,    0,
+      647,    0,  648,  647,  649,  649,  648,    0,    0,  648,
+        0,    0,    0,    0,  649,    0,    0,    0,  649,    0,
+        0,  649,  651,  651,  651,  651,  651,  652,  652,  652,
+      652,  652,  653,  653,  653,  653,  653,  654,  654,  654,
+      654,  655,  655,  655,  655,  656,  656,  656,  658,  658,
+      658,  658,  659,    0,  659,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
+      650,  650,  650,  650,  650,  650,  650,  650,  650
     } ;
 
 /* The intent behind this definition is that it'll catch
@@ -1174,6 +1742,7 @@
 #define COMMENT2 2
 #define PATH 3
 #define DOUBLEQUOTES 4
+#define SINGLEQUOTES 5
 
 #ifndef YY_NO_UNISTD_H
 /* Special case for "unistd.h", since it is non-ANSI. We include it way
@@ -1460,6 +2029,8 @@
  int column = 0;

  char *str = NULL;

  int _state = YY_START;

+ yy_size_t i;

+ uint32_t value;

 

 	while ( /*CONSTCOND*/1 )		/* loops until end-of-file is reached */
 		{
@@ -1486,13 +2057,13 @@
 			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
 				{
 				yy_current_state = (int) yy_def[yy_current_state];
-				if ( yy_current_state >= 591 )
+				if ( yy_current_state >= 651 )
 					yy_c = yy_meta[(unsigned int) yy_c];
 				}
 			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
 			++yy_cp;
 			}
-		while ( yy_base[yy_current_state] != 2278 );
+		while ( yy_base[yy_current_state] != 4766 );
 
 yy_find_action:
 		yy_act = yy_accept[yy_current_state];
@@ -1521,10 +2092,13 @@
 {_state = YY_START; BEGIN COMMENT1; }

 	YY_BREAK
 case 2:
+YY_RULE_SETUP
+
+	YY_BREAK
 case 3:
 /* rule 3 can match eol */
 YY_RULE_SETUP
-
+{yylloc->last_column = 0;}

 	YY_BREAK
 case 4:
 YY_RULE_SETUP
@@ -1535,362 +2109,392 @@
 {_state = YY_START; BEGIN COMMENT2;}

 	YY_BREAK
 case 6:
+/* rule 6 can match eol */
 YY_RULE_SETUP
-
+{BEGIN _state; yylloc->last_column = 0; return EOL; }

 	YY_BREAK
 case 7:
-/* rule 7 can match eol */
-case 8:
-/* rule 8 can match eol */
-YY_RULE_SETUP
-{BEGIN _state; return EOL; }

-	YY_BREAK
-case 9:
 YY_RULE_SETUP
 { return ANYXML_KEYWORD; }

 	YY_BREAK
-case 10:
+case 8:
 YY_RULE_SETUP
 { return ARGUMENT_KEYWORD; }

 	YY_BREAK
-case 11:
+case 9:
 YY_RULE_SETUP
 { BEGIN PATH; return AUGMENT_KEYWORD; }

 	YY_BREAK
-case 12:
+case 10:
 YY_RULE_SETUP
 { return BASE_KEYWORD; }

 	YY_BREAK
-case 13:
+case 11:
 YY_RULE_SETUP
 { return BELONGS_TO_KEYWORD; }

 	YY_BREAK
-case 14:
+case 12:
 YY_RULE_SETUP
 { return BIT_KEYWORD; }

 	YY_BREAK
-case 15:
+case 13:
 YY_RULE_SETUP
 { return CASE_KEYWORD; }

 	YY_BREAK
-case 16:
+case 14:
 YY_RULE_SETUP
 { return CHOICE_KEYWORD; }

 	YY_BREAK
-case 17:
+case 15:
 YY_RULE_SETUP
 { return CONFIG_KEYWORD; }

 	YY_BREAK
-case 18:
+case 16:
 YY_RULE_SETUP
 { return CONTACT_KEYWORD; }

 	YY_BREAK
-case 19:
+case 17:
 YY_RULE_SETUP
 { return CONTAINER_KEYWORD; }

 	YY_BREAK
-case 20:
+case 18:
 YY_RULE_SETUP
 { return DEFAULT_KEYWORD; }

 	YY_BREAK
-case 21:
+case 19:
 YY_RULE_SETUP
 { return DESCRIPTION_KEYWORD; }

 	YY_BREAK
-case 22:
+case 20:
 YY_RULE_SETUP
 { return ENUM_KEYWORD; }

 	YY_BREAK
-case 23:
+case 21:
 YY_RULE_SETUP
 { return ERROR_APP_TAG_KEYWORD; }

 	YY_BREAK
-case 24:
+case 22:
 YY_RULE_SETUP
 { return ERROR_MESSAGE_KEYWORD; }

 	YY_BREAK
-case 25:
+case 23:
 YY_RULE_SETUP
 { return EXTENSION_KEYWORD; }

 	YY_BREAK
-case 26:
+case 24:
 YY_RULE_SETUP
 { BEGIN PATH; return DEVIATION_KEYWORD; }

 	YY_BREAK
-case 27:
+case 25:
 YY_RULE_SETUP
 { return DEVIATE_KEYWORD; }

 	YY_BREAK
-case 28:
+case 26:
 YY_RULE_SETUP
 { return FEATURE_KEYWORD; }

 	YY_BREAK
-case 29:
+case 27:
 YY_RULE_SETUP
 { return FRACTION_DIGITS_KEYWORD; }

 	YY_BREAK
-case 30:
+case 28:
 YY_RULE_SETUP
 { return GROUPING_KEYWORD; }

 	YY_BREAK
-case 31:
+case 29:
 YY_RULE_SETUP
 { return IDENTITY_KEYWORD; }

 	YY_BREAK
-case 32:
+case 30:
 YY_RULE_SETUP
 { return IF_FEATURE_KEYWORD; }

 	YY_BREAK
-case 33:
+case 31:
 YY_RULE_SETUP
 { return IMPORT_KEYWORD; }

 	YY_BREAK
-case 34:
+case 32:
 YY_RULE_SETUP
 { return INCLUDE_KEYWORD; }

 	YY_BREAK
-case 35:
+case 33:
 YY_RULE_SETUP
 { return INPUT_KEYWORD; }

 	YY_BREAK
-case 36:
+case 34:
 YY_RULE_SETUP
 { return KEY_KEYWORD; }

 	YY_BREAK
-case 37:
+case 35:
 YY_RULE_SETUP
 { return LEAF_KEYWORD; }

 	YY_BREAK
-case 38:
+case 36:
 YY_RULE_SETUP
 { return LEAF_LIST_KEYWORD; }

 	YY_BREAK
-case 39:
+case 37:
 YY_RULE_SETUP
 { return LENGTH_KEYWORD; }

 	YY_BREAK
-case 40:
+case 38:
 YY_RULE_SETUP
 { return LIST_KEYWORD; }

 	YY_BREAK
-case 41:
+case 39:
 YY_RULE_SETUP
 { return MANDATORY_KEYWORD; }

 	YY_BREAK
-case 42:
+case 40:
 YY_RULE_SETUP
 { return MAX_ELEMENTS_KEYWORD; }

 	YY_BREAK
-case 43:
+case 41:
 YY_RULE_SETUP
 { return MIN_ELEMENTS_KEYWORD; }

 	YY_BREAK
-case 44:
+case 42:
 YY_RULE_SETUP
 { return MODULE_KEYWORD; }

 	YY_BREAK
-case 45:
+case 43:
 YY_RULE_SETUP
 { return MUST_KEYWORD; }

 	YY_BREAK
-case 46:
+case 44:
 YY_RULE_SETUP
 { return NAMESPACE_KEYWORD; }

 	YY_BREAK
-case 47:
+case 45:
 YY_RULE_SETUP
 { return NOTIFICATION_KEYWORD; }

 	YY_BREAK
-case 48:
+case 46:
 YY_RULE_SETUP
 { return ORDERED_BY_KEYWORD; }

 	YY_BREAK
-case 49:
+case 47:
 YY_RULE_SETUP
 { return ORGANIZATION_KEYWORD; }

 	YY_BREAK
-case 50:
+case 48:
 YY_RULE_SETUP
 { return OUTPUT_KEYWORD; }

 	YY_BREAK
-case 51:
+case 49:
 YY_RULE_SETUP
 { BEGIN PATH; return PATH_KEYWORD; }

 	YY_BREAK
-case 52:
+case 50:
 YY_RULE_SETUP
 { return PATTERN_KEYWORD; }

 	YY_BREAK
-case 53:
+case 51:
 YY_RULE_SETUP
 { return POSITION_KEYWORD; }

 	YY_BREAK
-case 54:
+case 52:
 YY_RULE_SETUP
 { return PREFIX_KEYWORD; }

 	YY_BREAK
-case 55:
+case 53:
 YY_RULE_SETUP
 { return PRESENCE_KEYWORD; }

 	YY_BREAK
-case 56:
+case 54:
 YY_RULE_SETUP
 { return RANGE_KEYWORD; }

 	YY_BREAK
-case 57:
+case 55:
 YY_RULE_SETUP
 { return REFERENCE_KEYWORD; }

 	YY_BREAK
-case 58:
+case 56:
 YY_RULE_SETUP
 { BEGIN PATH; return REFINE_KEYWORD; }

 	YY_BREAK
-case 59:
+case 57:
 YY_RULE_SETUP
 { return REQUIRE_INSTANCE_KEYWORD; }

 	YY_BREAK
-case 60:
+case 58:
 YY_RULE_SETUP
 { return REVISION_KEYWORD; }

 	YY_BREAK
-case 61:
+case 59:
 YY_RULE_SETUP
 { return REVISION_DATE_KEYWORD; }

 	YY_BREAK
-case 62:
+case 60:
 YY_RULE_SETUP
 { return RPC_KEYWORD; }

 	YY_BREAK
-case 63:
+case 61:
 YY_RULE_SETUP
 { return STATUS_KEYWORD; }

 	YY_BREAK
-case 64:
+case 62:
 YY_RULE_SETUP
 { return SUBMODULE_KEYWORD; }

 	YY_BREAK
-case 65:
+case 63:
 YY_RULE_SETUP
 { return TYPE_KEYWORD; }

 	YY_BREAK
-case 66:
+case 64:
 YY_RULE_SETUP
 { return TYPEDEF_KEYWORD; }

 	YY_BREAK
-case 67:
+case 65:
 YY_RULE_SETUP
 { BEGIN PATH; return UNIQUE_KEYWORD; }

 	YY_BREAK
-case 68:
+case 66:
 YY_RULE_SETUP
 { return UNITS_KEYWORD; }

 	YY_BREAK
-case 69:
+case 67:
 YY_RULE_SETUP
 { return USES_KEYWORD; }

 	YY_BREAK
-case 70:
+case 68:
 YY_RULE_SETUP
 { return VALUE_KEYWORD; }

 	YY_BREAK
-case 71:
+case 69:
 YY_RULE_SETUP
 { return WHEN_KEYWORD; }

 	YY_BREAK
-case 72:
+case 70:
 YY_RULE_SETUP
 { return YANG_VERSION_KEYWORD; }

 	YY_BREAK
-case 73:
+case 71:
 YY_RULE_SETUP
 { return YIN_ELEMENT_KEYWORD; }

 	YY_BREAK
-case 74:
+case 72:
 YY_RULE_SETUP
 { return ADD_KEYWORD; }

 	YY_BREAK
+case 73:
+YY_RULE_SETUP
+{ return CURRENT_KEYWORD; }

+	YY_BREAK
+case 74:
+YY_RULE_SETUP
+{ return CURRENT_KEYWORD; }

+	YY_BREAK
 case 75:
 YY_RULE_SETUP
-{ return CURRENT_KEYWORD; }

-	YY_BREAK
-case 76:
-YY_RULE_SETUP
-{ return CURRENT_KEYWORD; }

-	YY_BREAK
-case 77:
-YY_RULE_SETUP
 { return DELETE_KEYWORD; }

 	YY_BREAK
-case 78:
+case 76:
 YY_RULE_SETUP
 { return DEPRECATED_KEYWORD; }

 	YY_BREAK
-case 79:
+case 77:
 YY_RULE_SETUP
 { return FALSE_KEYWORD; }

 	YY_BREAK
-case 80:
+case 78:
 YY_RULE_SETUP
 { return NOT_SUPPORTED_KEYWORD; }

 	YY_BREAK
-case 81:
+case 79:
 YY_RULE_SETUP
 { return OBSOLETE_KEYWORD; }

 	YY_BREAK
-case 82:
+case 80:
 YY_RULE_SETUP
 { return REPLACE_KEYWORD; }

 	YY_BREAK
-case 83:
+case 81:
 YY_RULE_SETUP
 { return SYSTEM_KEYWORD; }

 	YY_BREAK
-case 84:
+case 82:
 YY_RULE_SETUP
 { return TRUE_KEYWORD; }

 	YY_BREAK
-case 85:
+case 83:
 YY_RULE_SETUP
 { return UNBOUNDED_KEYWORD; }

 	YY_BREAK
-case 86:
+case 84:
 YY_RULE_SETUP
 { return USER_KEYWORD; }

 	YY_BREAK
-case 87:
+case 85:
 YY_RULE_SETUP
 {return ACTION_KEYWORD; }

 	YY_BREAK
-case 88:
+case 86:
 YY_RULE_SETUP
 {return MODIFIER_KEYWORD; }

 	YY_BREAK
-case 89:
+case 87:
 YY_RULE_SETUP
 {return ANYDATA_KEYWORD; }

 	YY_BREAK
+case 88:
+case 89:
 case 90:
 case 91:
-case 92:
-case 93:
 YY_RULE_SETUP
 { return yytext[0];}  /* unsolved problem with concatenate string '+' */

 	YY_BREAK
-case 94:
+case 92:
 YY_RULE_SETUP
 {_state = YY_START; BEGIN DOUBLEQUOTES; str = yytext; column = yylloc->first_column; }

 	YY_BREAK
-case 95:
+case 93:
 YY_RULE_SETUP
 { tab_count++; size_str += yyleng; }

 	YY_BREAK
-case 96:
-/* rule 96 can match eol */
+case 94:
 YY_RULE_SETUP
 { size_str += yyleng; }

 	YY_BREAK
+case 95:
+/* rule 95 can match eol */
+YY_RULE_SETUP
+{yylloc->last_column = 0; size_str++; }

+	YY_BREAK
+case 96:
+YY_RULE_SETUP
+{

+    value = ((uint32_t)(yytext[0] & 0xf) << 12) | ((uint32_t)(yytext[1] & 0x3f) << 6) | (yytext[2] & 0x3f);

+    if (((value & 0xf800) == 0xd800) ||

+        (value >= 0xfdd0 && value <= 0xfdef) ||

+        (value & 0xffe) == 0xffe) {

+        /* exclude surrogate blocks %xD800-DFFF */

+        /* exclude noncharacters %xFDD0-FDEF */

+        /* exclude noncharacters %xFFFE-FFFF */

+        LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+        yylloc->first_line = -1;

+        return ERROR;

+    }

+    size_str += 3;

+}

+	YY_BREAK
 case 97:
 YY_RULE_SETUP
+{

+    value = ((uint32_t)(yytext[0] & 0x7) << 18) | ((uint32_t)(yytext[1] & 0x3f) << 12) | ((uint32_t)(yytext[2] & 0x3f) << 6) | (yytext[3] & 0x3f);

+    if ((value & 0xffe) == 0xffe) {

+        /* exclude noncharacters %x1FFFE-1FFFF, %x2FFFE-2FFFF, %x3FFFE-3FFFF, %x4FFFE-4FFFF,

+         * %x5FFFE-5FFFF, %x6FFFE-6FFFF, %x7FFFE-7FFFF, %x8FFFE-8FFFF, %x9FFFE-9FFFF, %xAFFFE-AFFFF,

+         * %xBFFFE-BFFFF, %xCFFFE-CFFFF, %xDFFFE-DFFFF, %xEFFFE-EFFFF, %xFFFFE-FFFFF, %x10FFFE-10FFFF */

+        LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+        yylloc->first_line = -1;

+        return ERROR;

+    }

+    size_str += 4;

+}

+	YY_BREAK
+case 98:
+YY_RULE_SETUP
 { yylval->i = tab_count;

                    BEGIN _state;

                    yytext = str;

@@ -1899,121 +2503,186 @@
                    return STRING;

                  }

 	YY_BREAK
-case 98:
-YY_RULE_SETUP
 case YY_STATE_EOF(DOUBLEQUOTES):
-{ return ERROR;}

+{ LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Unterminated double-quoted string.");

+                        yylloc->first_line = -1;

+                        return ERROR;

+                      }

 	YY_BREAK
 case 99:
-/* rule 99 can match eol */
 YY_RULE_SETUP
-{return STRING;}

+{ _state = YY_START;

+                    BEGIN SINGLEQUOTES;

+                    str = yytext;

+                    column = yylloc->first_column;

+                  }

 	YY_BREAK
 case 100:
 YY_RULE_SETUP
-{return ZERO;}

+{ size_str += yyleng; }

 	YY_BREAK
 case 101:
 YY_RULE_SETUP
-{return INTEGER;}

+{ BEGIN _state;

+                    yytext = str;

+                    yyleng = size_str + 2;

+                    yylloc->first_column = column;

+                    return STRING;

+                  }

+	YY_BREAK
+case YY_STATE_EOF(SINGLEQUOTES):
+{ LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Unterminated single-quoted string.");

+                        yylloc->first_line = -1;

+                        return ERROR;

+                      }

 	YY_BREAK
 case 102:
 YY_RULE_SETUP
-{return NON_NEGATIVE_INTEGER;}

+{return ZERO;}

 	YY_BREAK
 case 103:
+YY_RULE_SETUP
+{return INTEGER;}

+	YY_BREAK
 case 104:
+YY_RULE_SETUP
+{return NON_NEGATIVE_INTEGER;}

+	YY_BREAK
 case 105:
 case 106:
 case 107:
 case 108:
 case 109:
+case 110:
+case 111:
 YY_RULE_SETUP
 {return yytext[0];}

 	YY_BREAK
-case 110:
+case 112:
 YY_RULE_SETUP
 {return DOUBLEDOT;}

 	YY_BREAK
-case 111:
-/* rule 111 can match eol */
-case 112:
-/* rule 112 can match eol */
+case 113:
+/* rule 113 can match eol */
+case 114:
+/* rule 114 can match eol */
 YY_RULE_SETUP
 { yylloc->last_column = 0; return EOL;}

 	YY_BREAK
-case 113:
+case 115:
 YY_RULE_SETUP
 { return WHITESPACE;}

 	YY_BREAK
-case 114:
-case 115:
+case 116:
+case 117:
 YY_RULE_SETUP
 {BEGIN INITIAL; return yytext[0];}

 	YY_BREAK
-case 116:
+case 118:
 YY_RULE_SETUP
 {_state = YY_START; BEGIN DOUBLEQUOTES; str = yytext; column = yylloc->first_column; }

 	YY_BREAK
-case 117:
-/* rule 117 can match eol */
-YY_RULE_SETUP
-{return STRING;}

-	YY_BREAK
-case 118:
+case 119:
 YY_RULE_SETUP
 {_state = YY_START; BEGIN COMMENT2;}

 	YY_BREAK
-case 119:
+case 120:
 YY_RULE_SETUP
 {_state = YY_START; BEGIN COMMENT1;}

 	YY_BREAK
-case 120:
-YY_RULE_SETUP
-{return IDENTIFIER;}

-	YY_BREAK
 case 121:
 YY_RULE_SETUP
-{return IDENTIFIERPREFIX;}

+{return IDENTIFIER;}

 	YY_BREAK
 case 122:
 YY_RULE_SETUP
-{return REVISION_DATE;}

+{return IDENTIFIERPREFIX;}

 	YY_BREAK
 case 123:
 YY_RULE_SETUP
-{return IDENTIFIER;}

+{return REVISION_DATE;}

 	YY_BREAK
 case 124:
 YY_RULE_SETUP
-{return IDENTIFIERPREFIX;}

+{return IDENTIFIER;}

 	YY_BREAK
 case 125:
 YY_RULE_SETUP
-{if (yytext[0]=='/') {

-                           switch(yytext[1]) {

-                             case '*': _state = YY_START; BEGIN COMMENT1; yyless(2); break;

-                             case '/': yyless(2); _state = YY_START; BEGIN COMMENT2; break;

-                             default:  return STRINGS;

-                            }

-                          } else {return STRINGS;} }

+{return IDENTIFIERPREFIX;}

 	YY_BREAK
 case 126:
-/* rule 126 can match eol */
+YY_RULE_SETUP
+{

+    if (yytext[0] == '/' && yytext[1] == '/') {

+        _state = YY_START;

+        yyless(2);

+        BEGIN COMMENT2;

+    } else if (yytext[0] == '/' && yytext[1] == '*') {

+        _state = YY_START;

+        yyless(2);

+        BEGIN COMMENT1;

+    } else {

+        i = 0;

+        while (i < yyleng) {

+            if (!(yytext[i] & 0x80)) {

+                /* one byte character */

+                ++i;

+            } else if (!(yytext[i] & 0x20)) {

+                /* two bytes character */

+                i += 2;

+            } else if (!(yytext[i] & 0x10)) {

+                /* three bytes character */

+                value = ((uint32_t)(yytext[i] & 0xf) << 12) | ((uint32_t)(yytext[i + 1] & 0x3f) << 6) | (yytext[i + 2] & 0x3f);

+                if (((value & 0xf800) == 0xd800) ||

+                    (value >= 0xfdd0 && value <= 0xfdef) ||

+                    (value & 0xffe) == 0xffe) {

+                    /* exclude surrogate blocks %xD800-DFFF */

+                    /* exclude noncharacters %xFDD0-FDEF */

+                    /* exclude noncharacters %xFFFE-FFFF */

+                    LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+                    yylloc->first_line = -1;

+                    return ERROR;

+                }

+                i += 3;

+            } else {

+                /* four bytes character */

+                value = ((uint32_t)(yytext[i] & 0x7) << 18) | ((uint32_t)(yytext[i + 1] & 0x3f) << 12) | ((uint32_t)(yytext[i + 2] & 0x3f) << 6) | (yytext[i + 3] & 0x3f);

+                if ((value & 0xffe) == 0xffe) {

+                    /* exclude noncharacters %x1FFFE-1FFFF, %x2FFFE-2FFFF, %x3FFFE-3FFFF, %x4FFFE-4FFFF,

+                     * %x5FFFE-5FFFF, %x6FFFE-6FFFF, %x7FFFE-7FFFF, %x8FFFE-8FFFF, %x9FFFE-9FFFF, %xAFFFE-AFFFF,

+                     * %xBFFFE-BFFFF, %xCFFFE-CFFFF, %xDFFFE-DFFFF, %xEFFFE-EFFFF, %xFFFFE-FFFFF, %x10FFFE-10FFFF */

+                    LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+                    yylloc->first_line = -1;

+                    return ERROR;

+                }

+                i += 4;

+            }

+        }

+        return STRINGS;

+    }

+}

+	YY_BREAK
 case 127:
 /* rule 127 can match eol */
+case 128:
+/* rule 128 can match eol */
 YY_RULE_SETUP
 { yylloc->last_column = 0; return EOL; }

 	YY_BREAK
-case 128:
+case 129:
 YY_RULE_SETUP
 { return WHITESPACE;}

 	YY_BREAK
-case 129:
-YY_RULE_SETUP
-{ return ERROR;}

-	YY_BREAK
 case 130:
+/* rule 130 can match eol */
+YY_RULE_SETUP
+{

+    LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 leading byte 0x%02x", yytext[0]);

+    yylloc->first_line = -1;

+    return ERROR;

+}

+	YY_BREAK
+case 131:
 YY_RULE_SETUP
 ECHO;
 	YY_BREAK
@@ -2314,7 +2983,7 @@
 		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
 			{
 			yy_current_state = (int) yy_def[yy_current_state];
-			if ( yy_current_state >= 591 )
+			if ( yy_current_state >= 651 )
 				yy_c = yy_meta[(unsigned int) yy_c];
 			}
 		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
@@ -2343,11 +3012,11 @@
 	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
 		{
 		yy_current_state = (int) yy_def[yy_current_state];
-		if ( yy_current_state >= 591 )
+		if ( yy_current_state >= 651 )
 			yy_c = yy_meta[(unsigned int) yy_c];
 		}
 	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
-	yy_is_jam = (yy_current_state == 590);
+	yy_is_jam = (yy_current_state == 650);
 
 	(void)yyg;
 	return yy_is_jam ? 0 : yy_current_state;
diff --git a/src/parser_yang_lex.h b/src/parser_yang_lex.h
index 945ea0b..3054231 100644
--- a/src/parser_yang_lex.h
+++ b/src/parser_yang_lex.h
@@ -231,6 +231,7 @@
 #define COMMENT2 2
 #define PATH 3
 #define DOUBLEQUOTES 4
+#define SINGLEQUOTES 5
 
 #endif
 
@@ -357,6 +358,6 @@
 #undef YY_DECL
 #endif
 
-#line 361 "parser_yang_lex.h"
+#line 362 "parser_yang_lex.h"
 #undef yyIN_HEADER
 #endif /* yyHEADER_H */
diff --git a/src/yang.l b/src/yang.l
index 1231004..4d3f19e 100644
--- a/src/yang.l
+++ b/src/yang.l
@@ -21,25 +21,34 @@
 #define YY_USER_ACTION yylloc->first_column = yylloc->last_column +1;\

                        yylloc->last_column = yylloc->first_column + yyleng - 1;

 %}

+

+U       [\x80-\xbf]

+U2     [\xc2-\xdf]{U}

+U3     [\xe0][\xa0-\xbf]{U}|[\xe1-\xec]{U}{U}|[\xed][\x80-\x9f]{U}|[\xee-\xef]{U}{U}

+U4     [\xf0][\x90-\xbf]{U}{U}|[\xf1-\xf3]{U}{U}{U}|[\xf4][\x80-\x8f]{U}{U}

+

 %x COMMENT1

 %x COMMENT2

 %x PATH

 %x DOUBLEQUOTES

+%x SINGLEQUOTES

+

 %%

  int tab_count = 0;

  int size_str = 0;

  int column = 0;

  char *str = NULL;

  int _state = YY_START;

+ yy_size_t i;

+ uint32_t value;

+

 

 "/*" {_state = YY_START; BEGIN COMMENT1; }

-<COMMENT1>.  |

-<COMMENT1>\n 

+<COMMENT1,COMMENT2>[\x00-\x09\x0B-\x7f]|{U2}|{U3}|{U4}

+<COMMENT1>\n {yylloc->last_column = 0;}

 <COMMENT1>"*/" {BEGIN _state; }

 "//" {_state = YY_START; BEGIN COMMENT2;}

-<COMMENT2>. 

-<COMMENT2>\n |

-<COMMENT2>\r\n {BEGIN _state; return EOL; }

+<COMMENT2>\n {BEGIN _state; yylloc->last_column = 0; return EOL; }

 "anyxml" { return ANYXML_KEYWORD; }

 "argument" { return ARGUMENT_KEYWORD; }

 "augment" { BEGIN PATH; return AUGMENT_KEYWORD; }

@@ -127,7 +136,34 @@
 "+"  { return yytext[0];}  /* unsolved problem with concatenate string '+' */

 "\"" {_state = YY_START; BEGIN DOUBLEQUOTES; str = yytext; column = yylloc->first_column; }

 <DOUBLEQUOTES>\t|\\t { tab_count++; size_str += yyleng; }

-<DOUBLEQUOTES>([\n !#-~]|\\\"|\r\n)* { size_str += yyleng; }

+<DOUBLEQUOTES>[\x0D\x20-\x21\x23-\x7f]|{U2}|\\\" { size_str += yyleng; }

+<DOUBLEQUOTES,SINGLEQUOTES>\n {yylloc->last_column = 0; size_str++; }

+<DOUBLEQUOTES,SINGLEQUOTES>{U3} {

+    value = ((uint32_t)(yytext[0] & 0xf) << 12) | ((uint32_t)(yytext[1] & 0x3f) << 6) | (yytext[2] & 0x3f);

+    if (((value & 0xf800) == 0xd800) ||

+        (value >= 0xfdd0 && value <= 0xfdef) ||

+        (value & 0xffe) == 0xffe) {

+        /* exclude surrogate blocks %xD800-DFFF */

+        /* exclude noncharacters %xFDD0-FDEF */

+        /* exclude noncharacters %xFFFE-FFFF */

+        LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+        yylloc->first_line = -1;

+        return ERROR;

+    }

+    size_str += 3;

+}

+<DOUBLEQUOTES,SINGLEQUOTES>{U4} {

+    value = ((uint32_t)(yytext[0] & 0x7) << 18) | ((uint32_t)(yytext[1] & 0x3f) << 12) | ((uint32_t)(yytext[2] & 0x3f) << 6) | (yytext[3] & 0x3f);

+    if ((value & 0xffe) == 0xffe) {

+        /* exclude noncharacters %x1FFFE-1FFFF, %x2FFFE-2FFFF, %x3FFFE-3FFFF, %x4FFFE-4FFFF,

+         * %x5FFFE-5FFFF, %x6FFFE-6FFFF, %x7FFFE-7FFFF, %x8FFFE-8FFFF, %x9FFFE-9FFFF, %xAFFFE-AFFFF,

+         * %xBFFFE-BFFFF, %xCFFFE-CFFFF, %xDFFFE-DFFFF, %xEFFFE-EFFFF, %xFFFFE-FFFFF, %x10FFFE-10FFFF */

+        LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+        yylloc->first_line = -1;

+        return ERROR;

+    }

+    size_str += 4;

+}

 <DOUBLEQUOTES>\" { yylval->i = tab_count;

                    BEGIN _state;

                    yytext = str;

@@ -135,9 +171,26 @@
                    yylloc->first_column = column;

                    return STRING;

                  }

-<DOUBLEQUOTES>. |

-<DOUBLEQUOTES><<EOF>> { return ERROR;}

-"'"([\n\t -&\(-~]|\r\n)*"'" {return STRING;}

+<DOUBLEQUOTES><<EOF>> { LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Unterminated double-quoted string.");

+                        yylloc->first_line = -1;

+                        return ERROR;

+                      }

+<INITIAL,PATH>"'" { _state = YY_START;

+                    BEGIN SINGLEQUOTES;

+                    str = yytext;

+                    column = yylloc->first_column;

+                  }

+<SINGLEQUOTES>[\x09\x0D\x20-\x26\x28-\x7f]|{U2} { size_str += yyleng; }

+<SINGLEQUOTES>"'" { BEGIN _state;

+                    yytext = str;

+                    yyleng = size_str + 2;

+                    yylloc->first_column = column;

+                    return STRING;

+                  }

+<SINGLEQUOTES><<EOF>> { LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Unterminated single-quoted string.");

+                        yylloc->first_line = -1;

+                        return ERROR;

+                      }

 "0" {return ZERO;}

 "-"[1-9][0-9]* {return INTEGER;}

 [1-9][0-9]* {return NON_NEGATIVE_INTEGER;}

@@ -155,7 +208,6 @@
 <PATH>";" |

 <PATH>"{" {BEGIN INITIAL; return yytext[0];}

 <PATH>"\"" {_state = YY_START; BEGIN DOUBLEQUOTES; str = yytext; column = yylloc->first_column; }

-<PATH>"'"([\n\t -&\(-~]|\r\n)*"'" {return STRING;}

 <PATH>"//" {_state = YY_START; BEGIN COMMENT2;}

 <PATH>"/*" {_state = YY_START; BEGIN COMMENT1;}

 <PATH>[A-Za-z_][-A-Za-z0-9_\.]* {return IDENTIFIER;}

@@ -163,17 +215,63 @@
 [0-9]{4}[-][0-9]{2}[-][0-9]{2} {return REVISION_DATE;}

 [A-Za-z_][-A-Za-z0-9_\.]* {return IDENTIFIER;}

 [A-Za-z_][-A-Za-z0-9_\.]*:[A-Za-z_][-A-Za-z0-9_\.]*   {return IDENTIFIERPREFIX;}

-([!#-&\(-:<-\[\]-z|~])+ {if (yytext[0]=='/') {

-                           switch(yytext[1]) {

-                             case '*': _state = YY_START; BEGIN COMMENT1; yyless(2); break;

-                             case '/': yyless(2); _state = YY_START; BEGIN COMMENT2; break;

-                             default:  return STRINGS;

-                            }

-                          } else {return STRINGS;} }

+([\x21\x23-\x26\x28-\x3a\x3c-\x7a\x7c\x7e-\x7f]|{U2}|{U3}|{U4})+ {

+    if (yytext[0] == '/' && yytext[1] == '/') {

+        _state = YY_START;

+        yyless(2);

+        BEGIN COMMENT2;

+    } else if (yytext[0] == '/' && yytext[1] == '*') {

+        _state = YY_START;

+        yyless(2);

+        BEGIN COMMENT1;

+    } else {

+        i = 0;

+        while (i < yyleng) {

+            if (!(yytext[i] & 0x80)) {

+                /* one byte character */

+                ++i;

+            } else if (!(yytext[i] & 0x20)) {

+                /* two bytes character */

+                i += 2;

+            } else if (!(yytext[i] & 0x10)) {

+                /* three bytes character */

+                value = ((uint32_t)(yytext[i] & 0xf) << 12) | ((uint32_t)(yytext[i + 1] & 0x3f) << 6) | (yytext[i + 2] & 0x3f);

+                if (((value & 0xf800) == 0xd800) ||

+                    (value >= 0xfdd0 && value <= 0xfdef) ||

+                    (value & 0xffe) == 0xffe) {

+                    /* exclude surrogate blocks %xD800-DFFF */

+                    /* exclude noncharacters %xFDD0-FDEF */

+                    /* exclude noncharacters %xFFFE-FFFF */

+                    LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+                    yylloc->first_line = -1;

+                    return ERROR;

+                }

+                i += 3;

+            } else {

+                /* four bytes character */

+                value = ((uint32_t)(yytext[i] & 0x7) << 18) | ((uint32_t)(yytext[i + 1] & 0x3f) << 12) | ((uint32_t)(yytext[i + 2] & 0x3f) << 6) | (yytext[i + 3] & 0x3f);

+                if ((value & 0xffe) == 0xffe) {

+                    /* exclude noncharacters %x1FFFE-1FFFF, %x2FFFE-2FFFF, %x3FFFE-3FFFF, %x4FFFE-4FFFF,

+                     * %x5FFFE-5FFFF, %x6FFFE-6FFFF, %x7FFFE-7FFFF, %x8FFFE-8FFFF, %x9FFFE-9FFFF, %xAFFFE-AFFFF,

+                     * %xBFFFE-BFFFF, %xCFFFE-CFFFF, %xDFFFE-DFFFF, %xEFFFE-EFFFF, %xFFFFE-FFFFF, %x10FFFE-10FFFF */

+                    LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 value 0x%08x", value);

+                    yylloc->first_line = -1;

+                    return ERROR;

+                }

+                i += 4;

+            }

+        }

+        return STRINGS;

+    }

+}

 \n |

 \r\n { yylloc->last_column = 0; return EOL; }

 [ \t]+ { return WHITESPACE;}

 

-. { return ERROR;}

+<COMMENT1,COMMENT2,DOUBLEQUOTES,SINGLEQUOTES,INITIAL,PATH>[\x00-\xff] {

+    LOGVAL(LYE_SPEC, LY_VLOG_NONE, NULL, "Invalid UTF-8 leading byte 0x%02x", yytext[0]);

+    yylloc->first_line = -1;

+    return ERROR;

+}

 

-%%
\ No newline at end of file
+%%

diff --git a/src/yang.y.in b/src/yang.y.in
index 69eba2f..3df57d6 100644
--- a/src/yang.y.in
+++ b/src/yang.y.in
@@ -4607,6 +4607,7 @@
 

 void yyerror(YYLTYPE *yylloc, void *scanner, ...){

 

-  (void)yylloc; /* unused */

-  LOGVAL(LYE_INSTMT, LY_VLOG_NONE, NULL, yyget_text(scanner));

+  if (yylloc->first_line != -1) {

+    LOGVAL(LYE_INSTMT, LY_VLOG_NONE, NULL, yyget_text(scanner));

+  }

 }