diff --git a/librashader-presets/src/parse/token.rs b/librashader-presets/src/parse/token.rs
index 235ac17..e2a2ac8 100644
--- a/librashader-presets/src/parse/token.rs
+++ b/librashader-presets/src/parse/token.rs
@@ -64,7 +64,7 @@ fn multiline_comment(i: Span) -> IResult<Span, Span> {
 }
 
 fn single_comment(i: Span) -> IResult<Span, Span> {
-    delimited(alt((tag("//"), tag("#"))), not_line_ending, line_ending)(i)
+    delimited(alt((tag("//"), tag("#"))), not_line_ending, alt((line_ending, eof)))(i)
 }
 
 fn whitespace(i: Span) -> IResult<Span, ()> {
@@ -133,6 +133,7 @@ pub fn do_lex(input: &str) -> Result<Vec<Token>, ParsePresetError> {
     let (_, tokens) = parse_tokens(span).map_err(|e| match e {
         nom::Err::Error(e) | nom::Err::Failure(e) => {
             let input: Span = e.input;
+            println!("{:?}", input);
             ParsePresetError::LexerError {
                 offset: input.location_offset(),
                 row: input.location_line(),
@@ -161,7 +162,7 @@ mod test {
 
     #[test]
     fn parses_key_value_line() {
-        let parsed = do_lex(TEST);
+        let parsed = do_lex(TEST3);
         eprintln!("{parsed:#?}")
     }
 
@@ -594,4 +595,115 @@ gamma_out = 1.95
 
 // DREZ Parameters
 SHARPEN = 0"#;
+
+    const TEST3: &str = r#"// DUIMON MEGA BEZEL GRAPHICS AND PRESETS | https://duimon.github.io/Gallery-Guides/ | duimonmb@gmail.com
+// SOME RIGHTS RESERVED - RELEASED UNDER CC BY NC ND LICENSE https://creativecommons.org/licenses/by-nc-nd/4.0/deed
+// ----------------------------------------------------------------------------------------------------------------
+
+// PRESET START
+// ----------------------------------------------------------------------------------------------------------------
+
+// SHADER :: CONNECTOR | Interface to Mega Bezel Presets folders.
+// Edit the target file in the following reference to globally define the base preset.
+// ----------------------------------------------------------------------------------------------------------------
+
+#reference "../../../zzz_global_params/Base_Shader/ADV_Bezel.slangp"
+
+// SHADER :: CONNECTOR :: LOCAL OVERRIDES | Interface to specific base presets.
+// Comment out the top reference line and uncomment the following reference line to locally define the base preset.
+// Keep in mind that some of the base presets use Integer Scale and may yield unexpected results. (e.g. Megatron)
+
+//#reference "../../../zzz_global_params/Local_Shader/ADV_06.slangp"
+
+// "ADV_06" matches the default "MBZ__1__ADV__GDV.slangp".
+// Replace the "06" with any from the following list.
+// 01. SMOOTH-ADV__GDV                  08. ADV__GDV-MINI-NTSC
+// 02. SMOOTH-ADV__GDV-NTSC             09. ADV__GDV-NTSC
+// 03. SMOOTH-ADV__MEGATRON             10. ADV__MEGATRON
+// 04. SMOOTH-ADV__MEGATRON-NTSC        11. ADV__MEGATRON-NTSC
+// 05. ADV__EASYMODE                    12. ADV-RESHADE-FX__GDV
+// 06. ADV__GDV                         13. ADV-SUPER-XBR__GDV
+// 07. ADV__GDV-MINI                    14. ADV-SUPER-XBR__GDV-NTSC
+
+// INTRO | Intro animation
+// ----------------------------------------------------------------------------------------------------------------
+
+// ON
+#reference "../../../zzz_global_params/Intro/on.params"
+// ON - No Image
+//#reference "../../../zzz_global_params/Intro/on_no_image.params"
+// ON - Default Mega Bezel intro
+//#reference "../../../zzz_global_params/Intro/on_default.params"
+// OFF
+//#reference "../../../zzz_global_params/Intro/off.params"
+
+// DEVICE | Screen/Monitor/CRT/TV settings
+// ----------------------------------------------------------------------------------------------------------------
+
+// DEVICE :: BASE
+#reference "../../../res/bezel/Nintendo_GBA/bezel.params"
+
+// DEVICE :: SCALING
+#reference "../../../res/scale/Nintendo_GBA/bezel.params"
+
+// DEVICE :: CRT
+#reference "../../../res/crt/Nintendo_GBA/bezel.params"
+
+// IMAGE LAYERS
+// ----------------------------------------------------------------------------------------------------------------
+#reference "../../../res/layers/Nintendo_GBA/bezel.params"
+
+// HSV :: Hue, Saturation, and Value parameters
+// ----------------------------------------------------------------------------------------------------------------
+
+// GRAPHICS OVERRIDES | Overrides for Image layers, scaling, etc
+// that are not related to Guest's shader. (Three examples are provided)
+// These are intended for [Bezel] versions and the following reference should be left commented out for others.
+// ----------------------------------------------------------------------------------------------------------------
+
+// GRAPHICS :: OVERRIDES
+//#reference "../../../res/overrides/batocera.params"
+//#reference "../../../res/overrides/batocera_nocurve.params"
+//#reference "../../../res/overrides/batocera_hud.params"
+
+// GLOBAL GRAPHICS :: OVERRIDES
+// The user can edit the "user.params" to globally change the presets.
+// These are for the bezel, frame, and other graphic attributes.
+// Examples are included in the params file and commented out.
+// These are also intended for [Bezel] versions and the following reference should be left commented out for others.
+#reference "../../../zzz_global_params/Graphics/user.params"
+
+// The following is restricted to the [Custom-Bezel_002] presets.
+// One example is included in the params file and commented out.
+//#reference "../../../zzz_global_params/Graphics/user2.params"
+
+// SHADER OVERRIDES | Place *.params references to Guest derivatives here.
+// (Make sure you are using ADV__GDV, STD__GDV, or POTATO__GDV base presets for variations on the Guest shader.)
+// Two examples were kindly provided by guest.r. ;-)
+// ----------------------------------------------------------------------------------------------------------------
+
+// SHADER :: OVERRIDES
+//#reference "../../../res/overrides_shader/guest_custom_aperture.params"
+//#reference "../../../res/overrides_shader/guest_custom_slotmask.params"
+
+// GLOBAL SHADER :: OVERRIDES
+// The user can edit the target params file to globally change the presets.
+// To use community params that require another base preset, change the global base reference to match.
+// Examples are included in the params file and commented out.
+// Separate folders let users change global settings on each of the sets.
+// These are intentionally commented out for LCD-GRID presets.
+//#reference "../../../zzz_global_params/Shader/ADV/user_Bezel.params"
+//#reference "../../../zzz_global_params/Shader/ADV_DREZ/user_Bezel.params"
+//#reference "../../../zzz_global_params/Shader/STD/user_Bezel.params"
+//#reference "../../../zzz_global_params/Shader/STD_DREZ/user_Bezel.params"
+//#reference "../../../zzz_global_params/Shader/LITE/user_Bezel.params"
+
+// AMBIENT LIGHTING
+//#reference "../../../res/lighting/night.params"
+
+// PRESET END
+// ----------------------------------------------------------------------------------------------------------------
+"#;
+
 }
+