diff --git a/build.sh b/build.sh
index 2a100ff..cf8e298 100755
--- a/build.sh
+++ b/build.sh
@@ -23,6 +23,7 @@ $CC $compile_flags ../samples/old_style_custom_layer.c -o old_style_custom_layer
 $CC $compile_flags ../samples/static_site_generator/static_site_generator.c -o static_site_generator
 $CC $compile_flags ../samples/output_parse/output_parse.c -o output_parse
 $CC $compile_flags ../samples/c_code_generation.c -o c_code_generation
+$CC $compile_flags ../samples/node_errors/node_errors.c -o node_errors
 echo
 echo ~~~ Build All Tests ~~~
 $CC $compile_flags ../tests/sanity_tests.c -o sanity_tests
@@ -56,3 +57,10 @@ echo ~~~ Running C Code Generation Sample ~~~
 pushd build
 ./c_code_generation
 popd
+
+echo.
+echo ~~~ Running Error Generation Sample ~~~
+pushd build
+./node_errors ../samples/node_errors/node_errors.md
+popd
+
diff --git a/build_with_clang.bat b/build_with_clang.bat
index 003a780..155b415 100644
--- a/build_with_clang.bat
+++ b/build_with_clang.bat
@@ -13,6 +13,7 @@ clang %compile_flags% ..\samples\old_style_custom_layer.c -o old_style_custom_la
 clang %compile_flags% ..\samples\static_site_generator\static_site_generator.c -o static_site_generator.exe
 clang %compile_flags% ..\samples\output_parse\output_parse.c -o output_parse.exe
 clang %compile_flags% ..\samples\c_code_generation.c -o c_code_generation.exe
+clang %compile_flags% ..\samples\node_errors\node_errors.c -o node_errors.exe
 echo.
 echo ~~~ Build All Tests ~~~
 clang %compile_flags% ..\tests\sanity_tests.c -o sanity_tests.exe
@@ -58,3 +59,9 @@ echo ~~~ Running C Code Generation Sample ~~~
 pushd build
 c_code_generation.exe
 popd
+
+echo.
+echo ~~~ Running Error Generation Sample ~~~
+pushd build
+node_errors.exe %~dp0\samples\node_errors\node_errors.md
+popd
diff --git a/tests/grammar.c b/tests/grammar.c
index ba6e918..d3b9060 100644
--- a/tests/grammar.c
+++ b/tests/grammar.c
@@ -141,13 +141,12 @@ static void PrintRule(MD_Node *rule)
     }
 }
 
-typedef enum OperationFlags OperationFlags;
-enum OperationFlags
+typedef enum OperationFlags
 {
     OperationFlag_Fill          = 1<<0,
     OperationFlag_Markup        = 1<<1,
     OperationFlag_Tag           = 1<<2,
-};
+} OperationFlags;
 
 static void Extend(MD_String8 *s, char c)
 {