diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 4e745101..69000ff7 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -3,210 +3,210 @@
   "isRoot": true,
   "tools": {
     "tranalyze": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "tranalyze"
       ],
       "rollForward": false
     },
     "trcaret": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trcaret"
       ],
       "rollForward": false
     },
     "trclonereplace": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trclonereplace"
       ],
       "rollForward": false
     },
     "trcombine": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trcombine"
       ],
       "rollForward": false
     },
     "trconvert": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trconvert"
       ],
       "rollForward": false
     },
     "trcover": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trcover"
       ],
       "rollForward": false
     },
     "trdot": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trdot"
       ],
       "rollForward": false
     },
     "trfoldlit": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trfoldlit"
       ],
       "rollForward": false
     },
     "trgen": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trgen"
       ],
       "rollForward": false
     },
     "trgenvsc": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trgenvsc"
       ],
       "rollForward": false
     },
     "trglob": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trglob"
       ],
       "rollForward": false
     },
     "triconv": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "triconv"
       ],
       "rollForward": false
     },
     "tritext": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "tritext"
       ],
       "rollForward": false
     },
     "trjson": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trjson"
       ],
       "rollForward": false
     },
     "trparse": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trparse"
       ],
       "rollForward": false
     },
     "trperf": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trperf"
       ],
       "rollForward": false
     },
     "trquery": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trquery"
       ],
       "rollForward": false
     },
     "trrename": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trrename"
       ],
       "rollForward": false
     },
     "trsort": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trsort"
       ],
       "rollForward": false
     },
     "trsplit": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trsplit"
       ],
       "rollForward": false
     },
     "trsponge": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trsponge"
       ],
       "rollForward": false
     },
     "trtext": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trtext"
       ],
       "rollForward": false
     },
     "trtokens": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trtokens"
       ],
       "rollForward": false
     },
     "trtree": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trtree"
       ],
       "rollForward": false
     },
     "trunfold": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trunfold"
       ],
       "rollForward": false
     },
     "trungroup": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trungroup"
       ],
       "rollForward": false
     },
     "trwdog": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trwdog"
       ],
       "rollForward": false
     },
     "trxgrep": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trxgrep"
       ],
       "rollForward": false
     },
     "trxml": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trxml"
       ],
       "rollForward": false
     },
     "trxml2": {
-      "version": "0.23.7",
+      "version": "0.23.8",
       "commands": [
         "trxml2"
       ],
diff --git a/src/trgen/Command.cs b/src/trgen/Command.cs
index d4923959..7d4c204d 100644
--- a/src/trgen/Command.cs
+++ b/src/trgen/Command.cs
@@ -1575,8 +1575,8 @@ private void GenFromTemplates(Config config, Test test)
                     : "");
                 t.Add("example_files_unix", RemoveTrailingSlash(test.example_files.Replace('\\', '/')));
                 t.Add("example_files_win", RemoveTrailingSlash(test.example_files.Replace('/', '\\')));
-				t.Add("example_dir_unix", RemoveTrailingSlash(RemoveGlobbingPattern(test.example_files.Replace('\\', '/'))));
-				t.Add("example_dir_win", RemoveTrailingSlash(RemoveGlobbingPattern(test.example_files.Replace('/', '\\'))));
+                t.Add("example_dir_unix", RemoveTrailingSlash(RemoveGlobbingPattern(test.example_files.Replace('\\', '/'))));
+                t.Add("example_dir_win", RemoveTrailingSlash(RemoveGlobbingPattern(test.example_files.Replace('/', '\\'))));
                 t.Add("exec_name", GetOSTarget() == "Windows" ? "Test.exe" : "Test");
                 t.Add("go_lexer_name", test.fully_qualified_go_lexer_name);
                 t.Add("go_parser_name", test.fully_qualified_go_parser_name);
@@ -1909,6 +1909,10 @@ AntlrJson.ParsingResultSet DoParse(string txt, string input_name)
                 result = "success";
             }
             System.Console.Error.WriteLine("CSharp " + " " + input_name + " " + result + " " + (after - before).TotalSeconds);
+            if ((bool)res3)
+            {
+                throw new Exception("Aborting. Correct syntax errors in grammar file " + input_name + " in order to generate driver.");
+            }
             var parser = type.GetProperty("Parser").GetValue(null, new object[0]) as Antlr4.Runtime.Parser;
             var lexer = type.GetProperty("Lexer").GetValue(null, new object[0]) as Antlr4.Runtime.Lexer;
             var tokstream = type.GetProperty("TokenStream").GetValue(null, new object[0]) as ITokenStream;