diff --git a/README.html b/README.html
index 6a7b1b5f..1cb96213 100644
--- a/README.html
+++ b/README.html
@@ -65,11 +65,12 @@ Support for lua 5.2.x features:
 <li>_ENV environments model.
 <li>yield from pcall or metatags.
 <li>Bitwise operator library.
-<li>Better coroutine-related garbage collection. 
 </ul>
 It also includes miscellaneous improvements over luaj 2.0.x:
 <ul>
-<li>Garbage collection of orphaned threads.
+<li>Better coroutine-related garbage collection. 
+<li>Better debug reporting when using closures.
+<li>Line numbers in parse syntax tree.
 </ul>
 <h3>Luaj 2.0.x</h3>
 Support for luaj 5.1.x features, plus:
@@ -741,9 +742,8 @@ and LuaForge:
 <li>debug code may not be completely removed by some obfuscators
 <li>tail calls are not tracked in debug information
 <li>using both version 1 and 2 libraries together in the same java vm has not been tested
-<li>module() and setfenv() only partially supported for lau2java or luajc compiled lua
 <li>values associated with weak keys may linger longer than expected
 <li>behavior of luaj when a SecurityManager is used has not been fully characterized
-<li>Negative zero is treated as identical to integer value zero throughout luaj
+<li>negative zero is treated as identical to integer value zero throughout luaj
 </ul>
 
diff --git a/build.xml b/build.xml
index f3b04d5c..bd62cc17 100644
--- a/build.xml
+++ b/build.xml
@@ -5,8 +5,11 @@
 	<property name="jar.name.jse" value="luaj-jse-${version}.jar"/>
 	<property name="jar.name.sources" value="luaj-sources-${version}.jar"/>
 
-	<target name="clean">
+	<target name="clean-build">
 		<delete dir="build"/>
+	</target>
+
+	<target name="clean" depends="clean-build">
 		<delete>
 		    <fileset dir="." includes="luaj-*.jar"/>
 		</delete>
@@ -20,6 +23,12 @@
 		</java>
 	</target>
 		
+	<target name="plain-parser" depends="javacc-lib">
+		<java dir="src/jse" fork="true" classname="javacc" classpath="lib/javacc.jar">
+			<arg line="../../grammar/Lua52.jj"/>
+		</java>
+	</target>
+		
 	<target name="compile" depends="wtk-libs,bcel-lib">
 		<delete dir="build/jme/src"/>
 		<delete dir="build/jse/src"/>
diff --git a/src/jse/org/luaj/vm2/lib/jse/JsePlatform.java b/src/jse/org/luaj/vm2/lib/jse/JsePlatform.java
index 12ecbd74..541bcf4c 100644
--- a/src/jse/org/luaj/vm2/lib/jse/JsePlatform.java
+++ b/src/jse/org/luaj/vm2/lib/jse/JsePlatform.java
@@ -22,10 +22,8 @@
 package org.luaj.vm2.lib.jse;
 
 import org.luaj.vm2.Globals;
-import org.luaj.vm2.LuaTable;
 import org.luaj.vm2.LuaThread;
 import org.luaj.vm2.LuaValue;
-import org.luaj.vm2.Varargs;
 import org.luaj.vm2.compiler.LuaC;
 import org.luaj.vm2.lib.Bit32Lib;
 import org.luaj.vm2.lib.CoroutineLib;
@@ -133,7 +131,7 @@ public class JsePlatform {
 		LuaValue[] vargs = new LuaValue[args.length];
 		for (int i = 0; i < n; ++i)
 			vargs[i] = LuaValue.valueOf(args[i]);
-		LuaTable arg = LuaValue.listOf(vargs);
+		LuaValue arg = LuaValue.listOf(vargs);
 		arg.set("n", n);
 		g.set("arg", arg);
 		mainChunk.initupvalue1(g);