diff --git a/Parser/Gmsh.tab.cpp b/Parser/Gmsh.tab.cpp
index 72ea78a0d847ea998cf19b708e2ea2e9c56b9897..c85e1eb26df733d6fbe92e16fd0ec0fc099b28eb 100644
--- a/Parser/Gmsh.tab.cpp
+++ b/Parser/Gmsh.tab.cpp
@@ -1,173 +1,172 @@
 
 /*  A Bison parser, made from Gmsh.y
- by  GNU Bison version 1.25
-  */
+    by GNU Bison version 1.28  */
 
 #define YYBISON 1  /* Identify Bison output.  */
 
-#define	tDOUBLE	258
-#define	tSTRING	259
-#define	tBIGSTR	260
-#define	tEND	261
-#define	tAFFECT	262
-#define	tDOTS	263
-#define	tPi	264
-#define	tExp	265
-#define	tLog	266
-#define	tLog10	267
-#define	tSqrt	268
-#define	tSin	269
-#define	tAsin	270
-#define	tCos	271
-#define	tAcos	272
-#define	tTan	273
-#define	tRand	274
-#define	tAtan	275
-#define	tAtan2	276
-#define	tSinh	277
-#define	tCosh	278
-#define	tTanh	279
-#define	tFabs	280
-#define	tFloor	281
-#define	tCeil	282
-#define	tFmod	283
-#define	tModulo	284
-#define	tHypot	285
-#define	tPrintf	286
-#define	tSprintf	287
-#define	tDraw	288
-#define	tPoint	289
-#define	tCircle	290
-#define	tEllipsis	291
-#define	tLine	292
-#define	tSurface	293
-#define	tSpline	294
-#define	tVolume	295
-#define	tCharacteristic	296
-#define	tLength	297
-#define	tParametric	298
-#define	tElliptic	299
-#define	tPlane	300
-#define	tRuled	301
-#define	tTransfinite	302
-#define	tComplex	303
-#define	tPhysical	304
-#define	tUsing	305
-#define	tBump	306
-#define	tProgression	307
-#define	tRotate	308
-#define	tTranslate	309
-#define	tSymmetry	310
-#define	tDilate	311
-#define	tExtrude	312
-#define	tDuplicata	313
-#define	tLoop	314
-#define	tRecombine	315
-#define	tDelete	316
-#define	tCoherence	317
-#define	tView	318
-#define	tAttractor	319
-#define	tLayers	320
-#define	tScalarTetrahedron	321
-#define	tVectorTetrahedron	322
-#define	tTensorTetrahedron	323
-#define	tScalarTriangle	324
-#define	tVectorTriangle	325
-#define	tTensorTriangle	326
-#define	tScalarLine	327
-#define	tVectorLine	328
-#define	tTensorLine	329
-#define	tScalarPoint	330
-#define	tVectorPoint	331
-#define	tTensorPoint	332
-#define	tBSpline	333
-#define	tNurbs	334
-#define	tOrder	335
-#define	tWith	336
-#define	tBounds	337
-#define	tKnots	338
-#define	tColor	339
-#define	tFor	340
-#define	tIn	341
-#define	tEndFor	342
-#define	tIf	343
-#define	tEndIf	344
-#define	tExit	345
-#define	tMerge	346
-#define	tReturn	347
-#define	tCall	348
-#define	tFunction	349
-#define	tB_SPLINE_SURFACE_WITH_KNOTS	350
-#define	tB_SPLINE_CURVE_WITH_KNOTS	351
-#define	tCARTESIAN_POINT	352
-#define	tTRUE	353
-#define	tFALSE	354
-#define	tUNSPECIFIED	355
-#define	tU	356
-#define	tV	357
-#define	tEDGE_CURVE	358
-#define	tVERTEX_POINT	359
-#define	tORIENTED_EDGE	360
-#define	tPLANE	361
-#define	tFACE_OUTER_BOUND	362
-#define	tEDGE_LOOP	363
-#define	tADVANCED_FACE	364
-#define	tVECTOR	365
-#define	tDIRECTION	366
-#define	tAXIS2_PLACEMENT_3D	367
-#define	tISO	368
-#define	tENDISO	369
-#define	tENDSEC	370
-#define	tDATA	371
-#define	tHEADER	372
-#define	tFILE_DESCRIPTION	373
-#define	tFILE_SCHEMA	374
-#define	tFILE_NAME	375
-#define	tMANIFOLD_SOLID_BREP	376
-#define	tCLOSED_SHELL	377
-#define	tADVANCED_BREP_SHAPE_REPRESENTATION	378
-#define	tFACE_BOUND	379
-#define	tCYLINDRICAL_SURFACE	380
-#define	tCONICAL_SURFACE	381
-#define	tCIRCLE	382
-#define	tTRIMMED_CURVE	383
-#define	tGEOMETRIC_SET	384
-#define	tCOMPOSITE_CURVE_SEGMENT	385
-#define	tCONTINUOUS	386
-#define	tCOMPOSITE_CURVE	387
-#define	tTOROIDAL_SURFACE	388
-#define	tPRODUCT_DEFINITION	389
-#define	tPRODUCT_DEFINITION_SHAPE	390
-#define	tSHAPE_DEFINITION_REPRESENTATION	391
-#define	tELLIPSE	392
-#define	tTrimmed	393
-#define	tSolid	394
-#define	tEndSolid	395
-#define	tVertex	396
-#define	tFacet	397
-#define	tNormal	398
-#define	tOuter	399
-#define	tLoopSTL	400
-#define	tEndLoop	401
-#define	tEndFacet	402
-#define	tAND	403
-#define	tOR	404
-#define	tNOTEQUAL	405
-#define	tEQUAL	406
-#define	tAPPROXEQUAL	407
-#define	tAFFECTPLUS	408
-#define	tAFFECTMINUS	409
-#define	tAFFECTTIMES	410
-#define	tAFFECTDIVIDE	411
-#define	tLESSOREQUAL	412
-#define	tGREATEROREQUAL	413
-#define	tCROSSPRODUCT	414
-#define	UNARYPREC	415
-#define	tPLUSPLUS	416
-#define	tMINUSMINUS	417
+#define	tDOUBLE	257
+#define	tSTRING	258
+#define	tBIGSTR	259
+#define	tEND	260
+#define	tAFFECT	261
+#define	tDOTS	262
+#define	tPi	263
+#define	tExp	264
+#define	tLog	265
+#define	tLog10	266
+#define	tSqrt	267
+#define	tSin	268
+#define	tAsin	269
+#define	tCos	270
+#define	tAcos	271
+#define	tTan	272
+#define	tRand	273
+#define	tAtan	274
+#define	tAtan2	275
+#define	tSinh	276
+#define	tCosh	277
+#define	tTanh	278
+#define	tFabs	279
+#define	tFloor	280
+#define	tCeil	281
+#define	tFmod	282
+#define	tModulo	283
+#define	tHypot	284
+#define	tPrintf	285
+#define	tSprintf	286
+#define	tDraw	287
+#define	tPoint	288
+#define	tCircle	289
+#define	tEllipsis	290
+#define	tLine	291
+#define	tSurface	292
+#define	tSpline	293
+#define	tVolume	294
+#define	tCharacteristic	295
+#define	tLength	296
+#define	tParametric	297
+#define	tElliptic	298
+#define	tPlane	299
+#define	tRuled	300
+#define	tTransfinite	301
+#define	tComplex	302
+#define	tPhysical	303
+#define	tUsing	304
+#define	tBump	305
+#define	tProgression	306
+#define	tRotate	307
+#define	tTranslate	308
+#define	tSymmetry	309
+#define	tDilate	310
+#define	tExtrude	311
+#define	tDuplicata	312
+#define	tLoop	313
+#define	tRecombine	314
+#define	tDelete	315
+#define	tCoherence	316
+#define	tView	317
+#define	tAttractor	318
+#define	tLayers	319
+#define	tScalarTetrahedron	320
+#define	tVectorTetrahedron	321
+#define	tTensorTetrahedron	322
+#define	tScalarTriangle	323
+#define	tVectorTriangle	324
+#define	tTensorTriangle	325
+#define	tScalarLine	326
+#define	tVectorLine	327
+#define	tTensorLine	328
+#define	tScalarPoint	329
+#define	tVectorPoint	330
+#define	tTensorPoint	331
+#define	tBSpline	332
+#define	tNurbs	333
+#define	tOrder	334
+#define	tWith	335
+#define	tBounds	336
+#define	tKnots	337
+#define	tColor	338
+#define	tFor	339
+#define	tIn	340
+#define	tEndFor	341
+#define	tIf	342
+#define	tEndIf	343
+#define	tExit	344
+#define	tMerge	345
+#define	tReturn	346
+#define	tCall	347
+#define	tFunction	348
+#define	tB_SPLINE_SURFACE_WITH_KNOTS	349
+#define	tB_SPLINE_CURVE_WITH_KNOTS	350
+#define	tCARTESIAN_POINT	351
+#define	tTRUE	352
+#define	tFALSE	353
+#define	tUNSPECIFIED	354
+#define	tU	355
+#define	tV	356
+#define	tEDGE_CURVE	357
+#define	tVERTEX_POINT	358
+#define	tORIENTED_EDGE	359
+#define	tPLANE	360
+#define	tFACE_OUTER_BOUND	361
+#define	tEDGE_LOOP	362
+#define	tADVANCED_FACE	363
+#define	tVECTOR	364
+#define	tDIRECTION	365
+#define	tAXIS2_PLACEMENT_3D	366
+#define	tISO	367
+#define	tENDISO	368
+#define	tENDSEC	369
+#define	tDATA	370
+#define	tHEADER	371
+#define	tFILE_DESCRIPTION	372
+#define	tFILE_SCHEMA	373
+#define	tFILE_NAME	374
+#define	tMANIFOLD_SOLID_BREP	375
+#define	tCLOSED_SHELL	376
+#define	tADVANCED_BREP_SHAPE_REPRESENTATION	377
+#define	tFACE_BOUND	378
+#define	tCYLINDRICAL_SURFACE	379
+#define	tCONICAL_SURFACE	380
+#define	tCIRCLE	381
+#define	tTRIMMED_CURVE	382
+#define	tGEOMETRIC_SET	383
+#define	tCOMPOSITE_CURVE_SEGMENT	384
+#define	tCONTINUOUS	385
+#define	tCOMPOSITE_CURVE	386
+#define	tTOROIDAL_SURFACE	387
+#define	tPRODUCT_DEFINITION	388
+#define	tPRODUCT_DEFINITION_SHAPE	389
+#define	tSHAPE_DEFINITION_REPRESENTATION	390
+#define	tELLIPSE	391
+#define	tTrimmed	392
+#define	tSolid	393
+#define	tEndSolid	394
+#define	tVertex	395
+#define	tFacet	396
+#define	tNormal	397
+#define	tOuter	398
+#define	tLoopSTL	399
+#define	tEndLoop	400
+#define	tEndFacet	401
+#define	tAND	402
+#define	tOR	403
+#define	tNOTEQUAL	404
+#define	tEQUAL	405
+#define	tAPPROXEQUAL	406
+#define	tAFFECTPLUS	407
+#define	tAFFECTMINUS	408
+#define	tAFFECTTIMES	409
+#define	tAFFECTDIVIDE	410
+#define	tLESSOREQUAL	411
+#define	tGREATEROREQUAL	412
+#define	tCROSSPRODUCT	413
+#define	UNARYPREC	414
+#define	tPLUSPLUS	415
+#define	tMINUSMINUS	416
 
 #line 1 "Gmsh.y"
- /* $Id: Gmsh.tab.cpp,v 1.41 2000-12-10 13:28:49 geuzaine Exp $ */
+ /* $Id: Gmsh.tab.cpp,v 1.42 2000-12-10 23:32:39 geuzaine Exp $ */
 
 #include <stdarg.h>
 
@@ -253,7 +252,7 @@ typedef union {
 #define	YYFLAG		-32768
 #define	YYNTBASE	181
 
-#define YYTRANSLATE(x) ((unsigned)(x) <= 417 ? yytranslate[x] : 259)
+#define YYTRANSLATE(x) ((unsigned)(x) <= 416 ? yytranslate[x] : 259)
 
 static const short yytranslate[] = {     0,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
@@ -281,23 +280,23 @@ static const short yytranslate[] = {     0,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     1,     2,     3,     4,     5,
-     6,     7,     8,     9,    10,    11,    12,    13,    14,    15,
-    16,    17,    18,    19,    20,    21,    22,    23,    24,    25,
-    26,    27,    28,    29,    30,    31,    32,    33,    34,    35,
-    36,    37,    38,    39,    40,    41,    42,    43,    44,    45,
-    46,    47,    48,    49,    50,    51,    52,    53,    54,    55,
-    56,    57,    58,    59,    60,    61,    62,    63,    64,    65,
-    66,    67,    68,    69,    70,    71,    72,    73,    74,    75,
-    76,    77,    78,    79,    80,    81,    82,    83,    84,    85,
-    86,    87,    88,    89,    90,    91,    92,    93,    94,    95,
-    96,    97,    98,    99,   100,   101,   102,   103,   104,   105,
-   106,   107,   108,   109,   110,   111,   112,   113,   114,   115,
-   116,   117,   118,   119,   120,   121,   122,   123,   124,   125,
-   126,   127,   128,   129,   130,   131,   132,   133,   134,   135,
-   136,   137,   138,   139,   140,   141,   142,   143,   144,   145,
-   146,   147,   149,   150,   151,   152,   153,   154,   155,   156,
-   157,   160,   161,   167,   168,   171,   172
+     2,     2,     2,     2,     2,     1,     3,     4,     5,     6,
+     7,     8,     9,    10,    11,    12,    13,    14,    15,    16,
+    17,    18,    19,    20,    21,    22,    23,    24,    25,    26,
+    27,    28,    29,    30,    31,    32,    33,    34,    35,    36,
+    37,    38,    39,    40,    41,    42,    43,    44,    45,    46,
+    47,    48,    49,    50,    51,    52,    53,    54,    55,    56,
+    57,    58,    59,    60,    61,    62,    63,    64,    65,    66,
+    67,    68,    69,    70,    71,    72,    73,    74,    75,    76,
+    77,    78,    79,    80,    81,    82,    83,    84,    85,    86,
+    87,    88,    89,    90,    91,    92,    93,    94,    95,    96,
+    97,    98,    99,   100,   101,   102,   103,   104,   105,   106,
+   107,   108,   109,   110,   111,   112,   113,   114,   115,   116,
+   117,   118,   119,   120,   121,   122,   123,   124,   125,   126,
+   127,   128,   129,   130,   131,   132,   133,   134,   135,   136,
+   137,   138,   139,   140,   141,   142,   143,   144,   145,   146,
+   147,   149,   150,   151,   152,   153,   154,   155,   156,   157,
+   160,   161,   167,   168,   171,   172
 };
 
 #if YYDEBUG != 0
@@ -597,12 +596,12 @@ static const short yyrline[] = { 0,
   2141,  2142,  2143,  2144,  2145,  2146,  2147,  2148,  2149,  2150,
   2151,  2152,  2153,  2154,  2155,  2156,  2157,  2158,  2159,  2160,
   2161,  2162,  2163,  2164,  2165,  2166,  2167,  2168,  2169,  2170,
-  2171,  2174,  2176,  2177,  2186,  2203,  2224,  2241,  2262,  2279,
-  2301,  2308,  2321,  2328,  2332,  2336,  2340,  2345,  2350,  2354,
-  2358,  2362,  2388,  2420,  2424,  2429,  2433,  2438,  2442,  2446,
-  2452,  2458,  2464,  2468,  2474,  2481,  2487,  2496,  2500,  2510,
-  2515,  2519,  2524,  2529,  2544,  2549,  2570,  2579,  2585,  2590,
-  2594
+  2171,  2174,  2176,  2177,  2186,  2207,  2231,  2252,  2276,  2297,
+  2322,  2329,  2342,  2349,  2353,  2357,  2361,  2366,  2371,  2375,
+  2379,  2383,  2415,  2452,  2456,  2461,  2465,  2470,  2474,  2478,
+  2484,  2490,  2496,  2500,  2506,  2513,  2519,  2528,  2532,  2542,
+  2547,  2551,  2556,  2561,  2580,  2585,  2606,  2615,  2621,  2626,
+  2630
 };
 #endif
 
@@ -2656,7 +2655,8 @@ static const short yycheck[] = {     7,
    164,   165,   166,    -1,    -1,    -1,   170
 };
 /* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
-#line 3 "/usr/local/share/bison.simple"
+#line 3 "/usr/lib/bison.simple"
+/* This file comes from bison-1.28.  */
 
 /* Skeleton output parser for bison,
    Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
@@ -2673,46 +2673,66 @@ static const short yycheck[] = {     7,
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 /* As a special exception, when this file is copied by Bison into a
    Bison output file, you may use that output file without restriction.
    This special exception was added by the Free Software Foundation
    in version 1.24 of Bison.  */
 
-#ifndef alloca
+/* This is the parser code that is written into each bison parser
+  when the %semantic_parser declaration is not specified in the grammar.
+  It was written by Richard Stallman by simplifying the hairy parser
+  used when %semantic_parser is specified.  */
+
+#ifndef YYSTACK_USE_ALLOCA
+#ifdef alloca
+#define YYSTACK_USE_ALLOCA
+#else /* alloca not defined */
 #ifdef __GNUC__
+#define YYSTACK_USE_ALLOCA
 #define alloca __builtin_alloca
 #else /* not GNU C.  */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
+#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
+#define YYSTACK_USE_ALLOCA
 #include <alloca.h>
 #else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
+/* We think this test detects Watcom and Microsoft C.  */
+/* This used to test MSDOS, but that is a bad idea
+   since that symbol is in the user namespace.  */
+#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
+#if 0 /* No need for malloc.h, which pollutes the namespace;
+	 instead, just don't use alloca.  */
 #include <malloc.h>
+#endif
 #else /* not MSDOS, or __TURBOC__ */
 #if defined(_AIX)
-#include <malloc.h>
+/* I don't know what this was needed for, but it pollutes the namespace.
+   So I turned it off.   rms, 2 May 1997.  */
+/* #include <malloc.h>  */
  #pragma alloca
-#else /* not MSDOS, __TURBOC__, or _AIX */
-#ifdef __hpux
-#ifdef __cplusplus
-extern "C" {
-void *alloca (unsigned int);
-};
-#else /* not __cplusplus */
-void *alloca ();
-#endif /* not __cplusplus */
+#define YYSTACK_USE_ALLOCA
+#else /* not MSDOS, or __TURBOC__, or _AIX */
+#if 0
+#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
+		 and on HPUX 10.  Eventually we can turn this on.  */
+#define YYSTACK_USE_ALLOCA
+#define alloca __builtin_alloca
 #endif /* __hpux */
+#endif
 #endif /* not _AIX */
 #endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc.  */
-#endif /* not GNU C.  */
-#endif /* alloca not defined.  */
+#endif /* not sparc */
+#endif /* not GNU C */
+#endif /* alloca not defined */
+#endif /* YYSTACK_USE_ALLOCA not defined */
 
-/* This is the parser code that is written into each bison parser
-  when the %semantic_parser declaration is not specified in the grammar.
-  It was written by Richard Stallman by simplifying the hairy parser
-  used when %semantic_parser is specified.  */
+#ifdef YYSTACK_USE_ALLOCA
+#define YYSTACK_ALLOC alloca
+#else
+#define YYSTACK_ALLOC malloc
+#endif
 
 /* Note: there must be only one dollar sign in this file.
    It is replaced by the list of actions, each action
@@ -2722,8 +2742,8 @@ void *alloca ();
 #define yyclearin	(yychar = YYEMPTY)
 #define YYEMPTY		-2
 #define YYEOF		0
-#define YYACCEPT	return(0)
-#define YYABORT 	return(1)
+#define YYACCEPT	goto yyacceptlab
+#define YYABORT 	goto yyabortlab
 #define YYERROR		goto yyerrlab1
 /* Like YYERROR except do call yyerror.
    This remains here temporarily to ease the
@@ -2804,12 +2824,12 @@ int yydebug;			/*  nonzero means print parse trace	*/
 #ifndef YYMAXDEPTH
 #define YYMAXDEPTH 10000
 #endif
-
-/* Prevent warning if -Wstrict-prototypes.  */
-#ifdef __GNUC__
-int yyparse (void);
-#endif
 
+/* Define __yy_memcpy.  Note that the size argument
+   should be passed with type unsigned int, because that is what the non-GCC
+   definitions require.  With GCC, __builtin_memcpy takes an arg
+   of type size_t, but it can handle unsigned int.  */
+
 #if __GNUC__ > 1		/* GNU C and GNU C++ define this.  */
 #define __yy_memcpy(TO,FROM,COUNT)	__builtin_memcpy(TO,FROM,COUNT)
 #else				/* not GNU C or C++ */
@@ -2821,7 +2841,7 @@ static void
 __yy_memcpy (to, from, count)
      char *to;
      char *from;
-     int count;
+     unsigned int count;
 {
   register char *f = from;
   register char *t = to;
@@ -2836,10 +2856,10 @@ __yy_memcpy (to, from, count)
 /* This is the most reliable way to avoid incompatibilities
    in available built-in functions on various systems.  */
 static void
-__yy_memcpy (char *to, char *from, int count)
+__yy_memcpy (char *to, char *from, unsigned int count)
 {
-  register char *f = from;
   register char *t = to;
+  register char *f = from;
   register int i = count;
 
   while (i-- > 0)
@@ -2849,7 +2869,7 @@ __yy_memcpy (char *to, char *from, int count)
 #endif
 #endif
 
-#line 196 "/usr/local/share/bison.simple"
+#line 217 "/usr/lib/bison.simple"
 
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.
@@ -2870,6 +2890,15 @@ __yy_memcpy (char *to, char *from, int count)
 #define YYPARSE_PARAM_DECL
 #endif /* not YYPARSE_PARAM */
 
+/* Prevent warning if -Wstrict-prototypes.  */
+#ifdef __GNUC__
+#ifdef YYPARSE_PARAM
+int yyparse (void *);
+#else
+int yyparse (void);
+#endif
+#endif
+
 int
 yyparse(YYPARSE_PARAM_ARG)
      YYPARSE_PARAM_DECL
@@ -2898,6 +2927,7 @@ yyparse(YYPARSE_PARAM_ARG)
 #endif
 
   int yystacksize = YYINITDEPTH;
+  int yyfree_stacks = 0;
 
 #ifdef YYPURE
   int yychar;
@@ -2982,18 +3012,32 @@ yynewstate:
       if (yystacksize >= YYMAXDEPTH)
 	{
 	  yyerror("parser stack overflow");
+	  if (yyfree_stacks)
+	    {
+	      free (yyss);
+	      free (yyvs);
+#ifdef YYLSP_NEEDED
+	      free (yyls);
+#endif
+	    }
 	  return 2;
 	}
       yystacksize *= 2;
       if (yystacksize > YYMAXDEPTH)
 	yystacksize = YYMAXDEPTH;
-      yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
-      __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
-      yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
-      __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
+#ifndef YYSTACK_USE_ALLOCA
+      yyfree_stacks = 1;
+#endif
+      yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
+      __yy_memcpy ((char *)yyss, (char *)yyss1,
+		   size * (unsigned int) sizeof (*yyssp));
+      yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
+      __yy_memcpy ((char *)yyvs, (char *)yyvs1,
+		   size * (unsigned int) sizeof (*yyvsp));
 #ifdef YYLSP_NEEDED
-      yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
-      __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
+      yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
+      __yy_memcpy ((char *)yyls, (char *)yyls1,
+		   size * (unsigned int) sizeof (*yylsp));
 #endif
 #endif /* no yyoverflow */
 
@@ -5463,11 +5507,15 @@ case 284:
 case 285:
 #line 2187 "Gmsh.y"
 {
-      if(!(pNumCat = Get_NumberOptionCategory(yyvsp[-2].c)))
+      if(!(pNumCat = Get_NumberOptionCategory(yyvsp[-2].c))){
 	vyyerror("Unknown Numeric Option Class '%s'", yyvsp[-2].c);
+	yyval.d = 0. ;
+      }
       else{
-	if(!(pNumOpt = Get_NumberOption(yyvsp[0].c, pNumCat, &i)))
+	if(!(pNumOpt = Get_NumberOption(yyvsp[0].c, pNumCat, &i))){
 	  vyyerror("Unknown Numeric Option '%s.%s'", yyvsp[-2].c, yyvsp[0].c);
+	  yyval.d = 0. ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE : yyval.d = *(double*)pNumOpt ; break ;
@@ -5480,15 +5528,18 @@ case 285:
     ;
     break;}
 case 286:
-#line 2204 "Gmsh.y"
+#line 2208 "Gmsh.y"
 {
-      if(strcmp(yyvsp[-7].c, "PostProcessing"))
+      if(strcmp(yyvsp[-7].c, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", yyvsp[-7].c);
+	yyval.d = 0. ;
+      }
       else{
 	if(!(pNumOpt = Get_NumberViewOption((int)yyvsp[-3].d, yyvsp[0].c, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)yyvsp[-3].d);
 	  else	    vyyerror("Unknown Numeric Option '%s.View[%d].%s'", 
 			     yyvsp[-7].c, (int)yyvsp[-3].d, yyvsp[0].c);
+	  yyval.d = 0. ;
 	}
 	else{
 	  switch(i){
@@ -5502,13 +5553,17 @@ case 286:
     ;
     break;}
 case 287:
-#line 2225 "Gmsh.y"
+#line 2232 "Gmsh.y"
 {
-      if(!(pNumCat = Get_NumberOptionCategory(yyvsp[-3].c)))
+      if(!(pNumCat = Get_NumberOptionCategory(yyvsp[-3].c))){
 	vyyerror("Unknown Numeric Option Class '%s'", yyvsp[-3].c);
+	yyval.d = 0. ;
+      }
       else{
-	if(!(pNumOpt = Get_NumberOption(yyvsp[-1].c, pNumCat, &i)))
+	if(!(pNumOpt = Get_NumberOption(yyvsp[-1].c, pNumCat, &i))){
 	  vyyerror("Unknown Numeric Option '%s.%s'", yyvsp[-3].c, yyvsp[-1].c);
+	  yyval.d = 0. ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE : yyval.d = (*(double*)pNumOpt += 1.) ; break ;
@@ -5521,15 +5576,18 @@ case 287:
     ;
     break;}
 case 288:
-#line 2242 "Gmsh.y"
+#line 2253 "Gmsh.y"
 {
-      if(strcmp(yyvsp[-8].c, "PostProcessing"))
+      if(strcmp(yyvsp[-8].c, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", yyvsp[-8].c);
+	yyval.d = 0. ;
+      }
       else{
 	if(!(pNumOpt = Get_NumberViewOption((int)yyvsp[-4].d, yyvsp[-1].c, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)yyvsp[-4].d);
 	  else	    vyyerror("Unknown Numeric Option '%s.View[%d].%s'", 
 			     yyvsp[-8].c, (int)yyvsp[-4].d, yyvsp[-1].c);
+	  yyval.d = 0. ;
 	}
 	else{
 	  switch(i){
@@ -5543,13 +5601,17 @@ case 288:
     ;
     break;}
 case 289:
-#line 2263 "Gmsh.y"
+#line 2277 "Gmsh.y"
 {
-      if(!(pNumCat = Get_NumberOptionCategory(yyvsp[-3].c)))
+      if(!(pNumCat = Get_NumberOptionCategory(yyvsp[-3].c))){
 	vyyerror("Unknown Numeric Option Class '%s'", yyvsp[-3].c);
+	yyval.d = 0. ;
+      }
       else{
-	if(!(pNumOpt = Get_NumberOption(yyvsp[-1].c, pNumCat, &i)))
+	if(!(pNumOpt = Get_NumberOption(yyvsp[-1].c, pNumCat, &i))){
 	  vyyerror("Unknown Numeric Option '%s.%s'", yyvsp[-3].c, yyvsp[-1].c);
+	  yyval.d = 0. ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE : yyval.d = (*(double*)pNumOpt -= 1.) ; break ;
@@ -5562,15 +5624,18 @@ case 289:
     ;
     break;}
 case 290:
-#line 2280 "Gmsh.y"
+#line 2298 "Gmsh.y"
 {
-      if(strcmp(yyvsp[-8].c, "PostProcessing"))
+      if(strcmp(yyvsp[-8].c, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", yyvsp[-8].c);
+	yyval.d = 0. ;
+      }
       else{
 	if(!(pNumOpt = Get_NumberViewOption((int)yyvsp[-4].d, yyvsp[-1].c, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)yyvsp[-4].d);
 	  else	    vyyerror("Unknown Numeric Option '%s.View[%d].%s'", 
 			     yyvsp[-8].c, (int)yyvsp[-4].d, yyvsp[-1].c);
+	  yyval.d = 0. ;
 	}
 	else{
 	  switch(i){
@@ -5584,7 +5649,7 @@ case 290:
     ;
     break;}
 case 291:
-#line 2303 "Gmsh.y"
+#line 2324 "Gmsh.y"
 { 
       ListOfDouble2_L = List_Create(2,1,sizeof(double)) ; 
       for(d=yyvsp[-2].d ; (yyvsp[-2].d<yyvsp[0].d)?(d<=yyvsp[0].d):(d>=yyvsp[0].d) ; (yyvsp[-2].d<yyvsp[0].d)?(d+=1.):(d-=1.)) 
@@ -5592,7 +5657,7 @@ case 291:
     ;
     break;}
 case 292:
-#line 2309 "Gmsh.y"
+#line 2330 "Gmsh.y"
 {
       ListOfDouble2_L = List_Create(2,1,sizeof(double)) ; 
       if(!yyvsp[0].d || (yyvsp[-4].d<yyvsp[-2].d && yyvsp[0].d<0) || (yyvsp[-4].d>yyvsp[-2].d && yyvsp[0].d>0)){
@@ -5605,7 +5670,7 @@ case 292:
    ;
     break;}
 case 293:
-#line 2323 "Gmsh.y"
+#line 2344 "Gmsh.y"
 {
       memcpy(yyval.v, yyvsp[0].v, 5*sizeof(double)) ;
       //??? Avec ce qui suit, bison se plante sur DEC
@@ -5613,61 +5678,67 @@ case 293:
     ;
     break;}
 case 294:
-#line 2329 "Gmsh.y"
+#line 2350 "Gmsh.y"
 {
       for(i=0 ; i<6 ; i++) yyval.v[i] = -yyvsp[0].v[i] ;
     ;
     break;}
 case 295:
-#line 2333 "Gmsh.y"
+#line 2354 "Gmsh.y"
 { 
       for(i=0 ; i<6 ; i++) yyval.v[i] = yyvsp[0].v[i];
     ;
     break;}
 case 296:
-#line 2337 "Gmsh.y"
+#line 2358 "Gmsh.y"
 { 
       for(i=0 ; i<6 ; i++) yyval.v[i] = yyvsp[-2].v[i] - yyvsp[0].v[i] ;
     ;
     break;}
 case 297:
-#line 2341 "Gmsh.y"
+#line 2362 "Gmsh.y"
 {
       for(i=0 ; i<6 ; i++) yyval.v[i] = yyvsp[-2].v[i] + yyvsp[0].v[i] ;
     ;
     break;}
 case 298:
-#line 2347 "Gmsh.y"
+#line 2368 "Gmsh.y"
 { 
       yyval.v[0]=yyvsp[-9].d;  yyval.v[1]=yyvsp[-7].d;  yyval.v[2]=yyvsp[-5].d;  yyval.v[3]=yyvsp[-3].d; yyval.v[4]=yyvsp[-1].d;
     ;
     break;}
 case 299:
-#line 2351 "Gmsh.y"
+#line 2372 "Gmsh.y"
 { 
       yyval.v[0]=yyvsp[-7].d;  yyval.v[1]=yyvsp[-5].d;  yyval.v[2]=yyvsp[-3].d;  yyval.v[3]=yyvsp[-1].d; yyval.v[4]=1.0;
     ;
     break;}
 case 300:
-#line 2355 "Gmsh.y"
+#line 2376 "Gmsh.y"
 {
       yyval.v[0]=yyvsp[-5].d;  yyval.v[1]=yyvsp[-3].d;  yyval.v[2]=yyvsp[-1].d;  yyval.v[3]=0.0; yyval.v[4]=1.0;
     ;
     break;}
 case 301:
-#line 2359 "Gmsh.y"
+#line 2380 "Gmsh.y"
 {
       yyval.v[0]=yyvsp[-5].d;  yyval.v[1]=yyvsp[-3].d;  yyval.v[2]=yyvsp[-1].d;  yyval.v[3]=0.0; yyval.v[4]=1.0;
     ;
     break;}
 case 302:
-#line 2363 "Gmsh.y"
+#line 2384 "Gmsh.y"
 {
-      if(!(pArrCat = Get_ArrayOptionCategory(yyvsp[-2].c)))
+      if(!(pArrCat = Get_ArrayOptionCategory(yyvsp[-2].c))){
 	vyyerror("Unknown Array Option Class '%s'", yyvsp[-2].c);
+	yyval.v[0]=yyval.v[1]=yyval.v[2]=yyval.v[3]= 0.0 ;
+	yyval.v[4]= 1.0 ;
+      }
       else{
-	if(!(pArrOpt = Get_ArrayOption(yyvsp[0].c, pArrCat, &i)))
+	if(!(pArrOpt = Get_ArrayOption(yyvsp[0].c, pArrCat, &i))){
 	  vyyerror("Unknown Array Option '%s.%s'", yyvsp[-2].c, yyvsp[0].c);
+	  yyval.v[0]=yyval.v[1]=yyval.v[2]=yyval.v[3]= 0.0 ;
+	  yyval.v[4]= 1.0 ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE :
@@ -5689,15 +5760,20 @@ case 302:
     ;
     break;}
 case 303:
-#line 2389 "Gmsh.y"
+#line 2416 "Gmsh.y"
 {
-      if(strcmp(yyvsp[-7].c, "PostProcessing"))
+      if(strcmp(yyvsp[-7].c, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", yyvsp[-7].c);
+	yyval.v[0]=yyval.v[1]=yyval.v[2]=yyval.v[3]= 0.0 ;
+	yyval.v[4]= 1.0 ;
+      }
       else{
 	if(!(pArrOpt = Get_ArrayViewOption((int)yyvsp[-3].d, yyvsp[0].c, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)yyvsp[-3].d);
 	  else	    vyyerror("Unknown Array Option '%s.View[%d].%s'", 
 			     yyvsp[-7].c, (int)yyvsp[-3].d, yyvsp[0].c);
+	  yyval.v[0]=yyval.v[1]=yyval.v[2]=yyval.v[3]= 0.0 ;
+	  yyval.v[4]= 1.0 ;
 	}
 	else{
 	  switch(i){
@@ -5721,62 +5797,62 @@ case 303:
     ;
     break;}
 case 304:
-#line 2422 "Gmsh.y"
+#line 2454 "Gmsh.y"
 {
     ;
     break;}
 case 305:
-#line 2425 "Gmsh.y"
+#line 2457 "Gmsh.y"
 {
     ;
     break;}
 case 306:
-#line 2431 "Gmsh.y"
+#line 2463 "Gmsh.y"
 {
     ;
     break;}
 case 307:
-#line 2434 "Gmsh.y"
+#line 2466 "Gmsh.y"
 {
     ;
     break;}
 case 308:
-#line 2440 "Gmsh.y"
+#line 2472 "Gmsh.y"
 {
     ;
     break;}
 case 309:
-#line 2443 "Gmsh.y"
+#line 2475 "Gmsh.y"
 {
        yyval.l=ListOfListOfDouble_L;
     ;
     break;}
 case 310:
-#line 2447 "Gmsh.y"
+#line 2479 "Gmsh.y"
 {
        yyval.l=ListOfListOfDouble_L;
     ;
     break;}
 case 311:
-#line 2454 "Gmsh.y"
+#line 2486 "Gmsh.y"
 {
       ListOfListOfDouble_L = List_Create(2,1,sizeof(List_T*)) ;
       List_Add(ListOfListOfDouble_L, &(yyvsp[0].l)) ;
     ;
     break;}
 case 312:
-#line 2459 "Gmsh.y"
+#line 2491 "Gmsh.y"
 {
       List_Add(ListOfListOfDouble_L, &(yyvsp[0].l)) ;
     ;
     break;}
 case 313:
-#line 2466 "Gmsh.y"
+#line 2498 "Gmsh.y"
 {
     ;
     break;}
 case 314:
-#line 2469 "Gmsh.y"
+#line 2501 "Gmsh.y"
 {
       ListOfDouble_L = List_Create(2,1,sizeof(double)) ;
       List_Add(ListOfDouble_L, &(yyvsp[0].d)) ;
@@ -5784,20 +5860,20 @@ case 314:
     ;
     break;}
 case 315:
-#line 2475 "Gmsh.y"
+#line 2507 "Gmsh.y"
 {
       yyval.l=ListOfDouble_L;
     ;
     break;}
 case 316:
-#line 2483 "Gmsh.y"
+#line 2515 "Gmsh.y"
 {
       ListOfDouble_L = List_Create(2,1,sizeof(double)) ;
       List_Add(ListOfDouble_L, &(yyvsp[0].d)) ;
     ;
     break;}
 case 317:
-#line 2488 "Gmsh.y"
+#line 2520 "Gmsh.y"
 { 
       ListOfDouble_L = List_Create(2,1,sizeof(double)) ;
       for(i=0 ; i<List_Nbr(ListOfDouble2_L) ; i++){
@@ -5808,13 +5884,13 @@ case 317:
     ;
     break;}
 case 318:
-#line 2497 "Gmsh.y"
+#line 2529 "Gmsh.y"
 {
       List_Add(ListOfDouble_L, &(yyvsp[0].d)) ;
     ;
     break;}
 case 319:
-#line 2501 "Gmsh.y"
+#line 2533 "Gmsh.y"
 {
       for(i=0 ; i<List_Nbr(ListOfDouble2_L) ; i++){
 	List_Read(ListOfDouble2_L, i, &d) ;
@@ -5824,39 +5900,43 @@ case 319:
     ;
     break;}
 case 320:
-#line 2512 "Gmsh.y"
+#line 2544 "Gmsh.y"
 {
       yyval.u = PACK_COLOR((int)yyvsp[-7].d, (int)yyvsp[-5].d, (int)yyvsp[-3].d, (int)yyvsp[-1].d);
     ;
     break;}
 case 321:
-#line 2516 "Gmsh.y"
+#line 2548 "Gmsh.y"
 {
       yyval.u = PACK_COLOR((int)yyvsp[-5].d, (int)yyvsp[-3].d, (int)yyvsp[-1].d, 255);
     ;
     break;}
 case 322:
-#line 2520 "Gmsh.y"
+#line 2552 "Gmsh.y"
 {
       yyval.u = Get_ColorForString(ColorString, (int)yyvsp[-1].d, yyvsp[-3].c, &flag);
       if(flag) vyyerror("Unknown Color '%s'", yyvsp[-3].c);
     ;
     break;}
 case 323:
-#line 2525 "Gmsh.y"
+#line 2557 "Gmsh.y"
 {
       yyval.u = Get_ColorForString(ColorString, -1, yyvsp[0].c, &flag);
       if(flag) vyyerror("Unknown Color '%s'", yyvsp[0].c);
     ;
     break;}
 case 324:
-#line 2530 "Gmsh.y"
+#line 2562 "Gmsh.y"
 {
-      if(!(pColCat = Get_ColorOptionCategory(yyvsp[-4].c)))
+      if(!(pColCat = Get_ColorOptionCategory(yyvsp[-4].c))){
 	vyyerror("Unknown Color Option Class '%s'", yyvsp[-4].c);
+	yyval.u = 0 ;
+      }
       else{
-	if(!(pColOpt = Get_ColorOption(yyvsp[0].c, pColCat)))
+	if(!(pColOpt = Get_ColorOption(yyvsp[0].c, pColCat))){
 	  vyyerror("Unknown Color Option '%s.%s'", yyvsp[-4].c, yyvsp[0].c);
+	  yyval.u = 0 ;
+	}
 	else{
 	  yyval.u = *pColOpt ;
 	}
@@ -5864,13 +5944,13 @@ case 324:
     ;
     break;}
 case 325:
-#line 2546 "Gmsh.y"
+#line 2582 "Gmsh.y"
 {
       yyval.l = ListOfColor_L;
     ;
     break;}
 case 326:
-#line 2550 "Gmsh.y"
+#line 2586 "Gmsh.y"
 {
       if(!ListOfColor_L)
 	ListOfColor_L = List_Create(256,10,sizeof(unsigned int)) ;
@@ -5891,7 +5971,7 @@ case 326:
     ;
     break;}
 case 327:
-#line 2572 "Gmsh.y"
+#line 2608 "Gmsh.y"
 {
       if(!ListOfColor_L)
 	ListOfColor_L = List_Create(256,10,sizeof(unsigned int)) ;
@@ -5901,25 +5981,25 @@ case 327:
     ;
     break;}
 case 328:
-#line 2580 "Gmsh.y"
+#line 2616 "Gmsh.y"
 {
       List_Add(ListOfColor_L, &(yyvsp[0].u)) ;
     ;
     break;}
 case 329:
-#line 2587 "Gmsh.y"
+#line 2623 "Gmsh.y"
 {
       yyval.c = yyvsp[0].c;
     ;
     break;}
 case 330:
-#line 2591 "Gmsh.y"
+#line 2627 "Gmsh.y"
 {
       yyval.c = yyvsp[-1].c;
     ;
     break;}
 case 331:
-#line 2595 "Gmsh.y"
+#line 2631 "Gmsh.y"
 {
       sprintf(tmpstring, yyvsp[-3].c, yyvsp[-1].d);
       yyval.c = (char*)Malloc(strlen(tmpstring));
@@ -5928,7 +6008,7 @@ case 331:
     break;}
 }
    /* the action file gets copied in in place of this dollarsign */
-#line 498 "/usr/local/share/bison.simple"
+#line 543 "/usr/lib/bison.simple"
 
   yyvsp -= yylen;
   yyssp -= yylen;
@@ -6123,8 +6203,32 @@ yyerrhandle:
 
   yystate = yyn;
   goto yynewstate;
+
+ yyacceptlab:
+  /* YYACCEPT comes here.  */
+  if (yyfree_stacks)
+    {
+      free (yyss);
+      free (yyvs);
+#ifdef YYLSP_NEEDED
+      free (yyls);
+#endif
+    }
+  return 0;
+
+ yyabortlab:
+  /* YYABORT comes here.  */
+  if (yyfree_stacks)
+    {
+      free (yyss);
+      free (yyvs);
+#ifdef YYLSP_NEEDED
+      free (yyls);
+#endif
+    }
+  return 1;
 }
-#line 2602 "Gmsh.y"
+#line 2638 "Gmsh.y"
 
 
 void InitSymbols(void){
diff --git a/Parser/Gmsh.tab.cpp.h b/Parser/Gmsh.tab.cpp.h
index fd2234b83985ace8a3fef36e63d430edbcffa114..4af43ae30d3184476027b7ec8495c0d718d5f19e 100644
--- a/Parser/Gmsh.tab.cpp.h
+++ b/Parser/Gmsh.tab.cpp.h
@@ -7,166 +7,166 @@ typedef union {
   Shape    s;
   List_T  *l;
 } YYSTYPE;
-#define	tDOUBLE	258
-#define	tSTRING	259
-#define	tBIGSTR	260
-#define	tEND	261
-#define	tAFFECT	262
-#define	tDOTS	263
-#define	tPi	264
-#define	tExp	265
-#define	tLog	266
-#define	tLog10	267
-#define	tSqrt	268
-#define	tSin	269
-#define	tAsin	270
-#define	tCos	271
-#define	tAcos	272
-#define	tTan	273
-#define	tRand	274
-#define	tAtan	275
-#define	tAtan2	276
-#define	tSinh	277
-#define	tCosh	278
-#define	tTanh	279
-#define	tFabs	280
-#define	tFloor	281
-#define	tCeil	282
-#define	tFmod	283
-#define	tModulo	284
-#define	tHypot	285
-#define	tPrintf	286
-#define	tSprintf	287
-#define	tDraw	288
-#define	tPoint	289
-#define	tCircle	290
-#define	tEllipsis	291
-#define	tLine	292
-#define	tSurface	293
-#define	tSpline	294
-#define	tVolume	295
-#define	tCharacteristic	296
-#define	tLength	297
-#define	tParametric	298
-#define	tElliptic	299
-#define	tPlane	300
-#define	tRuled	301
-#define	tTransfinite	302
-#define	tComplex	303
-#define	tPhysical	304
-#define	tUsing	305
-#define	tBump	306
-#define	tProgression	307
-#define	tRotate	308
-#define	tTranslate	309
-#define	tSymmetry	310
-#define	tDilate	311
-#define	tExtrude	312
-#define	tDuplicata	313
-#define	tLoop	314
-#define	tRecombine	315
-#define	tDelete	316
-#define	tCoherence	317
-#define	tView	318
-#define	tAttractor	319
-#define	tLayers	320
-#define	tScalarTetrahedron	321
-#define	tVectorTetrahedron	322
-#define	tTensorTetrahedron	323
-#define	tScalarTriangle	324
-#define	tVectorTriangle	325
-#define	tTensorTriangle	326
-#define	tScalarLine	327
-#define	tVectorLine	328
-#define	tTensorLine	329
-#define	tScalarPoint	330
-#define	tVectorPoint	331
-#define	tTensorPoint	332
-#define	tBSpline	333
-#define	tNurbs	334
-#define	tOrder	335
-#define	tWith	336
-#define	tBounds	337
-#define	tKnots	338
-#define	tColor	339
-#define	tFor	340
-#define	tIn	341
-#define	tEndFor	342
-#define	tIf	343
-#define	tEndIf	344
-#define	tExit	345
-#define	tMerge	346
-#define	tReturn	347
-#define	tCall	348
-#define	tFunction	349
-#define	tB_SPLINE_SURFACE_WITH_KNOTS	350
-#define	tB_SPLINE_CURVE_WITH_KNOTS	351
-#define	tCARTESIAN_POINT	352
-#define	tTRUE	353
-#define	tFALSE	354
-#define	tUNSPECIFIED	355
-#define	tU	356
-#define	tV	357
-#define	tEDGE_CURVE	358
-#define	tVERTEX_POINT	359
-#define	tORIENTED_EDGE	360
-#define	tPLANE	361
-#define	tFACE_OUTER_BOUND	362
-#define	tEDGE_LOOP	363
-#define	tADVANCED_FACE	364
-#define	tVECTOR	365
-#define	tDIRECTION	366
-#define	tAXIS2_PLACEMENT_3D	367
-#define	tISO	368
-#define	tENDISO	369
-#define	tENDSEC	370
-#define	tDATA	371
-#define	tHEADER	372
-#define	tFILE_DESCRIPTION	373
-#define	tFILE_SCHEMA	374
-#define	tFILE_NAME	375
-#define	tMANIFOLD_SOLID_BREP	376
-#define	tCLOSED_SHELL	377
-#define	tADVANCED_BREP_SHAPE_REPRESENTATION	378
-#define	tFACE_BOUND	379
-#define	tCYLINDRICAL_SURFACE	380
-#define	tCONICAL_SURFACE	381
-#define	tCIRCLE	382
-#define	tTRIMMED_CURVE	383
-#define	tGEOMETRIC_SET	384
-#define	tCOMPOSITE_CURVE_SEGMENT	385
-#define	tCONTINUOUS	386
-#define	tCOMPOSITE_CURVE	387
-#define	tTOROIDAL_SURFACE	388
-#define	tPRODUCT_DEFINITION	389
-#define	tPRODUCT_DEFINITION_SHAPE	390
-#define	tSHAPE_DEFINITION_REPRESENTATION	391
-#define	tELLIPSE	392
-#define	tTrimmed	393
-#define	tSolid	394
-#define	tEndSolid	395
-#define	tVertex	396
-#define	tFacet	397
-#define	tNormal	398
-#define	tOuter	399
-#define	tLoopSTL	400
-#define	tEndLoop	401
-#define	tEndFacet	402
-#define	tAND	403
-#define	tOR	404
-#define	tNOTEQUAL	405
-#define	tEQUAL	406
-#define	tAPPROXEQUAL	407
-#define	tAFFECTPLUS	408
-#define	tAFFECTMINUS	409
-#define	tAFFECTTIMES	410
-#define	tAFFECTDIVIDE	411
-#define	tLESSOREQUAL	412
-#define	tGREATEROREQUAL	413
-#define	tCROSSPRODUCT	414
-#define	UNARYPREC	415
-#define	tPLUSPLUS	416
-#define	tMINUSMINUS	417
+#define	tDOUBLE	257
+#define	tSTRING	258
+#define	tBIGSTR	259
+#define	tEND	260
+#define	tAFFECT	261
+#define	tDOTS	262
+#define	tPi	263
+#define	tExp	264
+#define	tLog	265
+#define	tLog10	266
+#define	tSqrt	267
+#define	tSin	268
+#define	tAsin	269
+#define	tCos	270
+#define	tAcos	271
+#define	tTan	272
+#define	tRand	273
+#define	tAtan	274
+#define	tAtan2	275
+#define	tSinh	276
+#define	tCosh	277
+#define	tTanh	278
+#define	tFabs	279
+#define	tFloor	280
+#define	tCeil	281
+#define	tFmod	282
+#define	tModulo	283
+#define	tHypot	284
+#define	tPrintf	285
+#define	tSprintf	286
+#define	tDraw	287
+#define	tPoint	288
+#define	tCircle	289
+#define	tEllipsis	290
+#define	tLine	291
+#define	tSurface	292
+#define	tSpline	293
+#define	tVolume	294
+#define	tCharacteristic	295
+#define	tLength	296
+#define	tParametric	297
+#define	tElliptic	298
+#define	tPlane	299
+#define	tRuled	300
+#define	tTransfinite	301
+#define	tComplex	302
+#define	tPhysical	303
+#define	tUsing	304
+#define	tBump	305
+#define	tProgression	306
+#define	tRotate	307
+#define	tTranslate	308
+#define	tSymmetry	309
+#define	tDilate	310
+#define	tExtrude	311
+#define	tDuplicata	312
+#define	tLoop	313
+#define	tRecombine	314
+#define	tDelete	315
+#define	tCoherence	316
+#define	tView	317
+#define	tAttractor	318
+#define	tLayers	319
+#define	tScalarTetrahedron	320
+#define	tVectorTetrahedron	321
+#define	tTensorTetrahedron	322
+#define	tScalarTriangle	323
+#define	tVectorTriangle	324
+#define	tTensorTriangle	325
+#define	tScalarLine	326
+#define	tVectorLine	327
+#define	tTensorLine	328
+#define	tScalarPoint	329
+#define	tVectorPoint	330
+#define	tTensorPoint	331
+#define	tBSpline	332
+#define	tNurbs	333
+#define	tOrder	334
+#define	tWith	335
+#define	tBounds	336
+#define	tKnots	337
+#define	tColor	338
+#define	tFor	339
+#define	tIn	340
+#define	tEndFor	341
+#define	tIf	342
+#define	tEndIf	343
+#define	tExit	344
+#define	tMerge	345
+#define	tReturn	346
+#define	tCall	347
+#define	tFunction	348
+#define	tB_SPLINE_SURFACE_WITH_KNOTS	349
+#define	tB_SPLINE_CURVE_WITH_KNOTS	350
+#define	tCARTESIAN_POINT	351
+#define	tTRUE	352
+#define	tFALSE	353
+#define	tUNSPECIFIED	354
+#define	tU	355
+#define	tV	356
+#define	tEDGE_CURVE	357
+#define	tVERTEX_POINT	358
+#define	tORIENTED_EDGE	359
+#define	tPLANE	360
+#define	tFACE_OUTER_BOUND	361
+#define	tEDGE_LOOP	362
+#define	tADVANCED_FACE	363
+#define	tVECTOR	364
+#define	tDIRECTION	365
+#define	tAXIS2_PLACEMENT_3D	366
+#define	tISO	367
+#define	tENDISO	368
+#define	tENDSEC	369
+#define	tDATA	370
+#define	tHEADER	371
+#define	tFILE_DESCRIPTION	372
+#define	tFILE_SCHEMA	373
+#define	tFILE_NAME	374
+#define	tMANIFOLD_SOLID_BREP	375
+#define	tCLOSED_SHELL	376
+#define	tADVANCED_BREP_SHAPE_REPRESENTATION	377
+#define	tFACE_BOUND	378
+#define	tCYLINDRICAL_SURFACE	379
+#define	tCONICAL_SURFACE	380
+#define	tCIRCLE	381
+#define	tTRIMMED_CURVE	382
+#define	tGEOMETRIC_SET	383
+#define	tCOMPOSITE_CURVE_SEGMENT	384
+#define	tCONTINUOUS	385
+#define	tCOMPOSITE_CURVE	386
+#define	tTOROIDAL_SURFACE	387
+#define	tPRODUCT_DEFINITION	388
+#define	tPRODUCT_DEFINITION_SHAPE	389
+#define	tSHAPE_DEFINITION_REPRESENTATION	390
+#define	tELLIPSE	391
+#define	tTrimmed	392
+#define	tSolid	393
+#define	tEndSolid	394
+#define	tVertex	395
+#define	tFacet	396
+#define	tNormal	397
+#define	tOuter	398
+#define	tLoopSTL	399
+#define	tEndLoop	400
+#define	tEndFacet	401
+#define	tAND	402
+#define	tOR	403
+#define	tNOTEQUAL	404
+#define	tEQUAL	405
+#define	tAPPROXEQUAL	406
+#define	tAFFECTPLUS	407
+#define	tAFFECTMINUS	408
+#define	tAFFECTTIMES	409
+#define	tAFFECTDIVIDE	410
+#define	tLESSOREQUAL	411
+#define	tGREATEROREQUAL	412
+#define	tCROSSPRODUCT	413
+#define	UNARYPREC	414
+#define	tPLUSPLUS	415
+#define	tMINUSMINUS	416
 
 
 extern YYSTYPE yylval;
diff --git a/Parser/Gmsh.y b/Parser/Gmsh.y
index 02d67c2d9dba6f62d2799688a8d59fa4b1e3ac1b..a7f937c8e60f44b84796c9cf333a52b0dfdff78d 100644
--- a/Parser/Gmsh.y
+++ b/Parser/Gmsh.y
@@ -1,4 +1,4 @@
-%{ /* $Id: Gmsh.y,v 1.37 2000-12-10 13:28:49 geuzaine Exp $ */
+%{ /* $Id: Gmsh.y,v 1.38 2000-12-10 23:32:39 geuzaine Exp $ */
 
 #include <stdarg.h>
 
@@ -2185,11 +2185,15 @@ FExpr_Single :
     }
   | tSTRING '.' tSTRING 
     {
-      if(!(pNumCat = Get_NumberOptionCategory($1)))
+      if(!(pNumCat = Get_NumberOptionCategory($1))){
 	vyyerror("Unknown Numeric Option Class '%s'", $1);
+	$$ = 0. ;
+      }
       else{
-	if(!(pNumOpt = Get_NumberOption($3, pNumCat, &i)))
+	if(!(pNumOpt = Get_NumberOption($3, pNumCat, &i))){
 	  vyyerror("Unknown Numeric Option '%s.%s'", $1, $3);
+	  $$ = 0. ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE : $$ = *(double*)pNumOpt ; break ;
@@ -2202,13 +2206,16 @@ FExpr_Single :
     }
   | tSTRING '.' tView '[' FExpr ']' '.' tSTRING
     {
-      if(strcmp($1, "PostProcessing"))
+      if(strcmp($1, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", $1);
+	$$ = 0. ;
+      }
       else{
 	if(!(pNumOpt = Get_NumberViewOption((int)$5, $8, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)$5);
 	  else	    vyyerror("Unknown Numeric Option '%s.View[%d].%s'", 
 			     $1, (int)$5, $8);
+	  $$ = 0. ;
 	}
 	else{
 	  switch(i){
@@ -2223,11 +2230,15 @@ FExpr_Single :
 
   | tSTRING '.' tSTRING tPLUSPLUS
     {
-      if(!(pNumCat = Get_NumberOptionCategory($1)))
+      if(!(pNumCat = Get_NumberOptionCategory($1))){
 	vyyerror("Unknown Numeric Option Class '%s'", $1);
+	$$ = 0. ;
+      }
       else{
-	if(!(pNumOpt = Get_NumberOption($3, pNumCat, &i)))
+	if(!(pNumOpt = Get_NumberOption($3, pNumCat, &i))){
 	  vyyerror("Unknown Numeric Option '%s.%s'", $1, $3);
+	  $$ = 0. ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE : $$ = (*(double*)pNumOpt += 1.) ; break ;
@@ -2240,13 +2251,16 @@ FExpr_Single :
     }
   | tSTRING '.' tView '[' FExpr ']' '.' tSTRING tPLUSPLUS
     {
-      if(strcmp($1, "PostProcessing"))
+      if(strcmp($1, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", $1);
+	$$ = 0. ;
+      }
       else{
 	if(!(pNumOpt = Get_NumberViewOption((int)$5, $8, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)$5);
 	  else	    vyyerror("Unknown Numeric Option '%s.View[%d].%s'", 
 			     $1, (int)$5, $8);
+	  $$ = 0. ;
 	}
 	else{
 	  switch(i){
@@ -2261,11 +2275,15 @@ FExpr_Single :
 
   | tSTRING '.' tSTRING tMINUSMINUS
     {
-      if(!(pNumCat = Get_NumberOptionCategory($1)))
+      if(!(pNumCat = Get_NumberOptionCategory($1))){
 	vyyerror("Unknown Numeric Option Class '%s'", $1);
+	$$ = 0. ;
+      }
       else{
-	if(!(pNumOpt = Get_NumberOption($3, pNumCat, &i)))
+	if(!(pNumOpt = Get_NumberOption($3, pNumCat, &i))){
 	  vyyerror("Unknown Numeric Option '%s.%s'", $1, $3);
+	  $$ = 0. ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE : $$ = (*(double*)pNumOpt -= 1.) ; break ;
@@ -2278,13 +2296,16 @@ FExpr_Single :
     }
   | tSTRING '.' tView '[' FExpr ']' '.' tSTRING tMINUSMINUS
     {
-      if(strcmp($1, "PostProcessing"))
+      if(strcmp($1, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", $1);
+	$$ = 0. ;
+      }
       else{
 	if(!(pNumOpt = Get_NumberViewOption((int)$5, $8, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)$5);
 	  else	    vyyerror("Unknown Numeric Option '%s.View[%d].%s'", 
 			     $1, (int)$5, $8);
+	  $$ = 0. ;
 	}
 	else{
 	  switch(i){
@@ -2361,11 +2382,17 @@ VExpr_Single :
     }
   | tSTRING '.' tSTRING
     {
-      if(!(pArrCat = Get_ArrayOptionCategory($1)))
+      if(!(pArrCat = Get_ArrayOptionCategory($1))){
 	vyyerror("Unknown Array Option Class '%s'", $1);
+	$$[0]=$$[1]=$$[2]=$$[3]= 0.0 ;
+	$$[4]= 1.0 ;
+      }
       else{
-	if(!(pArrOpt = Get_ArrayOption($3, pArrCat, &i)))
+	if(!(pArrOpt = Get_ArrayOption($3, pArrCat, &i))){
 	  vyyerror("Unknown Array Option '%s.%s'", $1, $3);
+	  $$[0]=$$[1]=$$[2]=$$[3]= 0.0 ;
+	  $$[4]= 1.0 ;
+	}
 	else{
 	  switch(i){
 	  case GMSH_DOUBLE :
@@ -2387,13 +2414,18 @@ VExpr_Single :
     }
   | tSTRING '.' tView '[' FExpr ']' '.' tSTRING
     {
-      if(strcmp($1, "PostProcessing"))
+      if(strcmp($1, "PostProcessing")){
 	vyyerror("Unknown View Option Class '%s'", $1);
+	$$[0]=$$[1]=$$[2]=$$[3]= 0.0 ;
+	$$[4]= 1.0 ;
+      }
       else{
 	if(!(pArrOpt = Get_ArrayViewOption((int)$5, $8, &i))){
 	  if(i < 0) vyyerror("PostProcessing View %d does not Exist", (int)$5);
 	  else	    vyyerror("Unknown Array Option '%s.View[%d].%s'", 
 			     $1, (int)$5, $8);
+	  $$[0]=$$[1]=$$[2]=$$[3]= 0.0 ;
+	  $$[4]= 1.0 ;
 	}
 	else{
 	  switch(i){
@@ -2528,11 +2560,15 @@ ColorExpr :
     }
   | tSTRING '.' tColor '.' tSTRING 
     {
-      if(!(pColCat = Get_ColorOptionCategory($1)))
+      if(!(pColCat = Get_ColorOptionCategory($1))){
 	vyyerror("Unknown Color Option Class '%s'", $1);
+	$$ = 0 ;
+      }
       else{
-	if(!(pColOpt = Get_ColorOption($5, pColCat)))
+	if(!(pColOpt = Get_ColorOption($5, pColCat))){
 	  vyyerror("Unknown Color Option '%s.%s'", $1, $5);
+	  $$ = 0 ;
+	}
 	else{
 	  $$ = *pColOpt ;
 	}
diff --git a/Parser/Gmsh.yy.cpp b/Parser/Gmsh.yy.cpp
index d18a25f4ad36455314fe3422caaeb3a534e37328..4fdf22ef91081db9e40a59d6939eb7d568f6eaf2 100644
--- a/Parser/Gmsh.yy.cpp
+++ b/Parser/Gmsh.yy.cpp
@@ -2,7 +2,7 @@
 /* A lexical scanner generated by flex */
 
 /* Scanner skeleton version:
- * $Header: /cvsroot/gmsh/Parser/Gmsh.yy.cpp,v 1.41 2000-12-10 13:28:49 geuzaine Exp $
+ * $Header: /cvsroot/gmsh/Parser/Gmsh.yy.cpp,v 1.42 2000-12-10 23:32:40 geuzaine Exp $
  */
 
 #define FLEX_SCANNER
@@ -1160,7 +1160,7 @@ YY_MALLOC_DECL
 YY_DECL
 	{
 	register yy_state_type yy_current_state;
-	register char *yy_cp, *yy_bp;
+	register char *yy_cp = NULL, *yy_bp = NULL;
 	register int yy_act;
 
 #line 60 "Gmsh.l"