diff --git a/src/me/topchetoeu/jscript/Filename.java b/src/me/topchetoeu/jscript/Filename.java
index ff7d17d..8e87ef6 100644
--- a/src/me/topchetoeu/jscript/Filename.java
+++ b/src/me/topchetoeu/jscript/Filename.java
@@ -46,6 +46,8 @@ public class Filename {
 
 
     public Filename(String protocol, String path) {
+        path = path.trim();
+        protocol = protocol.trim();
         this.protocol = protocol;
         this.path = path;
     }
diff --git a/src/me/topchetoeu/jscript/Location.java b/src/me/topchetoeu/jscript/Location.java
index 40b3138..19f0ef2 100644
--- a/src/me/topchetoeu/jscript/Location.java
+++ b/src/me/topchetoeu/jscript/Location.java
@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript;
 
 public class Location implements Comparable<Location> {
-    public static final Location INTERNAL = new Location(0, 0, new Filename("jscript", "internal"));
+    public static final Location INTERNAL = new Location(0, 0, new Filename("jscript", "native"));
     private int line;
     private int start;
     private Filename filename;
diff --git a/src/me/topchetoeu/jscript/engine/debug/V8Message.java b/src/me/topchetoeu/jscript/engine/debug/V8Message.java
index 82aa121..c585233 100644
--- a/src/me/topchetoeu/jscript/engine/debug/V8Message.java
+++ b/src/me/topchetoeu/jscript/engine/debug/V8Message.java
@@ -2,7 +2,6 @@ package me.topchetoeu.jscript.engine.debug;
 
 import java.util.Map;
 
-import me.topchetoeu.jscript.Filename;
 import me.topchetoeu.jscript.json.JSON;
 import me.topchetoeu.jscript.json.JSONElement;
 import me.topchetoeu.jscript.json.JSONMap;
@@ -33,7 +32,7 @@ public class V8Message {
         this.params = raw.contains("params") ? raw.map("params") : new JSONMap();
     }
     public V8Message(String raw) {
-        this(JSON.parse(new Filename("jscript", "json-msg"), raw).map());
+        this(JSON.parse(null, raw).map());
     }
 
     public JSONMap toMap() {
diff --git a/src/me/topchetoeu/jscript/json/JSON.java b/src/me/topchetoeu/jscript/json/JSON.java
index a16538f..897dcc0 100644
--- a/src/me/topchetoeu/jscript/json/JSON.java
+++ b/src/me/topchetoeu/jscript/json/JSON.java
@@ -177,6 +177,7 @@ public class JSON {
         return ParseRes.res(values, n);
     }
     public static JSONElement parse(Filename filename, String raw) {
+        if (filename == null) filename = new Filename("jscript", "json");
         var res = parseValue(filename, Parsing.tokenize(filename, raw), 0);
         if (res.isFailed()) throw new SyntaxException(null, "Invalid JSON given.");
         else if (res.isError()) throw new SyntaxException(null, res.error);
@@ -191,6 +192,7 @@ public class JSON {
             .replace("\\", "\\\\")
             .replace("\n", "\\n")
             .replace("\r", "\\r")
+            .replace("\t", "\\t")
             .replace("\"", "\\\"")
         + "\"";
         if (el.isList()) {
diff --git a/src/me/topchetoeu/jscript/lib/JSONLib.java b/src/me/topchetoeu/jscript/lib/JSONLib.java
index 8ea57d5..e9aa8ad 100644
--- a/src/me/topchetoeu/jscript/lib/JSONLib.java
+++ b/src/me/topchetoeu/jscript/lib/JSONLib.java
@@ -1,17 +1,16 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.Filename;
 import me.topchetoeu.jscript.engine.Context;
 import me.topchetoeu.jscript.exceptions.EngineException;
 import me.topchetoeu.jscript.exceptions.SyntaxException;
 import me.topchetoeu.jscript.interop.Native;
 import me.topchetoeu.jscript.json.JSON;
 
-public class JSONLib {
+@Native("JSON") public class JSONLib {
     @Native
     public static Object parse(Context ctx, String val) {
         try {
-            return JSON.toJs(JSON.parse(new Filename("jscript", "json"), val));
+            return JSON.toJs(JSON.parse(null, val));
         }
         catch (SyntaxException e) { throw EngineException.ofSyntax(e.msg); }
     }