allow Function Field(1)="expression"; (without extra empty list at the end)

Parser/Gmsh.y

 %{
-// $Id: Gmsh.y,v 1.283 2007-09-05 10:11:31 geuzaine Exp $
+// $Id: Gmsh.y,v 1.284 2007-09-06 15:49:44 geuzaine Exp $
 //
 // Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
 //
@@ -1137,6 +1137,14 @@ Shape :
       $$.Type = 0;
       $$.Num = 0;
     }
+  | tFunction tField '(' FExpr ')' tAFFECT tBIGSTR tEND
+    {
+      std::list<Field*> *flist = new std::list<Field*>;
+      fields.insert(new FunctionField(flist,$7), (int)$4);
+      // dummy values
+      $$.Type = 0;
+      $$.Num = 0;
+    }
   | tFunction tField '(' FExpr ')' tAFFECT tBIGSTR ListOfDouble tEND
     {
       std::list<Field*> *flist = new std::list<Field*>;

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 1.328 2007-09-05 10:11:31 geuzaine Exp $
+ * $Header: /cvsroot/gmsh/Parser/Gmsh.yy.cpp,v 1.329 2007-09-06 15:49:45 geuzaine Exp $
  */
 
 #define FLEX_SCANNER
@@ -760,7 +760,7 @@ char *yytext;
 #line 1 "Gmsh.l"
 #define INITIAL 0
 #line 2 "Gmsh.l"
-// $Id: Gmsh.yy.cpp,v 1.328 2007-09-05 10:11:31 geuzaine Exp $
+// $Id: Gmsh.yy.cpp,v 1.329 2007-09-06 15:49:45 geuzaine Exp $
 //
 // Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
 //