diff --git a/rt/emul/compact/pom.xml b/rt/emul/compact/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>emul.pom</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>
   <groupId>org.apidesign.bck2brwsr</groupId>
   <artifactId>emul</artifactId>
-  <version>0.20</version>
+  <version>0.21</version>
   <name>Bck2Brwsr API Profile</name>
   <url>http://maven.apache.org</url>
   <properties>

diff --git a/rt/emul/compacttest/pom.xml b/rt/emul/compacttest/pom.xml
@@ -4,11 +4,11 @@
     <parent>
         <groupId>org.apidesign.bck2brwsr</groupId>
         <artifactId>emul.pom</artifactId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>compacttest</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
     <name>Bck2Brwsr API Profile Tests</name>
     <url>http://maven.apache.org</url>
     <properties>

diff --git a/rt/emul/fake/pom.xml b/rt/emul/fake/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.apidesign.bck2brwsr</groupId>
         <artifactId>emul.pom</artifactId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
     <artifactId>fake</artifactId>
     <packaging>jar</packaging>

diff --git a/rt/emul/kotlintest/pom.xml b/rt/emul/kotlintest/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.apidesign.bck2brwsr</groupId>
         <artifactId>emul.pom</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>0.21</version>
     </parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>kotlintest</artifactId>

diff --git a/rt/emul/mini/pom.xml b/rt/emul/mini/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>emul.pom</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>
   <groupId>org.apidesign.bck2brwsr</groupId>
   <artifactId>emul.mini</artifactId>
-  <version>0.20</version>
+  <version>0.21</version>
   <name>Minimal API Profile</name>
   <url>http://maven.apache.org</url>
   <properties>
@@ -18,7 +18,7 @@
     <dependency>
       <groupId>org.apidesign.bck2brwsr</groupId>
       <artifactId>core</artifactId>
-      <version>0.20</version>
+      <version>0.21</version>
       <type>jar</type>
       <scope>provided</scope>
     </dependency>

diff --git a/rt/emul/mini/src/main/java/java/lang/Double.java b/rt/emul/mini/src/main/java/java/lang/Double.java
@@ -951,7 +951,7 @@ public static long doubleToRawLongBits(double value) {
         + "}\n"
         + "var m = (hi & 0xfffff).next32(bits);\n"
         + "if (e === 0) {\n"
-        + "  m = m.shl64(1);\n"
+        + "  m = __shl64(m, 1);\n"
         + "} else {\n"
         + "  m.hi = m.high32() | 0x100000;\n"
         + "}\n"

diff --git a/rt/emul/mini/src/main/java/org/apidesign/bck2brwsr/emul/reflect/ProxiesImpl.java b/rt/emul/mini/src/main/java/org/apidesign/bck2brwsr/emul/reflect/ProxiesImpl.java
@@ -71,11 +71,19 @@ private static native void implement(
     public static Proxy create(Class[] classes, InvocationHandler h) {
         resetClass();
         ProxiesImpl impl = new ProxiesImpl(h);
+        implementMethods(classes, impl);
+        return impl;
+    }
+
+    private static void implementMethods(Class[] classes, ProxiesImpl impl) {
+        if (classes == null) {
+            return;
+        }
         for (Class c: classes) {
             Object[] info = findProps(c);
             implement(impl, c.getCanonicalName(), info);
+            implementMethods(c.getInterfaces(), impl);
         }
-        return impl;
     }
 
     private static Object[] findProps(Class<?> annoClass) {

diff --git a/rt/emul/minitest/pom.xml b/rt/emul/minitest/pom.xml
@@ -4,11 +4,11 @@
     <parent>
         <groupId>org.apidesign.bck2brwsr</groupId>
         <artifactId>emul.pom</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>0.21</version>
     </parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>minitest</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>0.21</version>
     <name>Minimal API Profile Tests</name>
     <url>http://maven.apache.org</url>
     <properties>

diff --git a/rt/emul/minitest/src/test/java/org/apidesign/bck2brwsr/mini/tck/LongArithmeticTest.java b/rt/emul/minitest/src/test/java/org/apidesign/bck2brwsr/mini/tck/LongArithmeticTest.java
@@ -437,6 +437,12 @@ private static char unpack(long packed, int word) { // word==0 => return a, ==3
         long res = mul64shr64(16, 1561751147, -1);
         return res;
     }
+
+    @Compare public double longBitsToDouble() {
+        long res = mul64shr64(16, 1561751147, -1);
+        double ignore = Double.longBitsToDouble(res);
+        return 0.0;
+    }
 
     @Factory
     public static Object[] create() {

diff --git a/rt/emul/minitest/src/test/java/org/apidesign/bck2brwsr/mini/tck/ProxyTest.java b/rt/emul/minitest/src/test/java/org/apidesign/bck2brwsr/mini/tck/ProxyTest.java
@@ -17,6 +17,7 @@
  */
 package org.apidesign.bck2brwsr.mini.tck;
 
+import java.lang.annotation.Annotation;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
@@ -43,6 +44,22 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
         );
         return anno.name();
     }
+
+    @Compare public String castAnnoToAnnotation() throws Exception {
+        class InvHandler implements InvocationHandler {
+            @Override
+            public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+                assert method.getName().equals("annotationType");
+                return Anno.class;
+            }
+        }
+        Annotation anno = (Annotation) Proxy.newProxyInstance(
+            Anno.class.getClassLoader(), 
+            new Class[] { Anno.class }, 
+            new InvHandler()
+        );
+        return anno.annotationType().getName();
+    }
 
     @Compare public int getPrimitiveType() throws Exception {
         class InvHandler implements InvocationHandler {

diff --git a/rt/emul/pom.xml b/rt/emul/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>rt</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>
   <groupId>org.apidesign.bck2brwsr</groupId>
   <artifactId>emul.pom</artifactId>
-  <version>0.20</version>
+  <version>0.21</version>
   <packaging>pom</packaging>
   <name>Emulation of Core Libraries</name>
   <modules>

diff --git a/rt/emul/zip/pom.xml b/rt/emul/zip/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.apidesign.bck2brwsr</groupId>
         <artifactId>emul.pom</artifactId>
-        <version>0.20</version>
+        <version>0.21</version>
     </parent>
     <artifactId>emul.zip</artifactId>
     <name>Unzip by JCraft for Bck2Brwsr</name>

diff --git a/rt/mojo/pom.xml b/rt/mojo/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>rt</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>
   <groupId>org.apidesign.bck2brwsr</groupId>
   <artifactId>bck2brwsr-maven-plugin</artifactId>
-  <version>0.20</version>
+  <version>0.21</version>
   <packaging>maven-plugin</packaging>
   <name>Bck2Brwsr Maven Plugin</name>
   <url>http://bck2brwsr.apidesign.org/</url>

diff --git a/rt/pom.xml b/rt/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apidesign.bck2brwsr</groupId>
   <artifactId>rt</artifactId>
-  <version>0.20</version>
+  <version>0.21</version>
   <packaging>pom</packaging>
   <name>Bck2Brwsr Runtime</name>
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>bck2brwsr</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>  
   <modules>
     <module>core</module>

diff --git a/rt/vm/pom.xml b/rt/vm/pom.xml
@@ -3,12 +3,12 @@
   <parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>rt</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>
 
   <groupId>org.apidesign.bck2brwsr</groupId>
   <artifactId>vm4brwsr</artifactId>
-  <version>0.20</version>
+  <version>0.21</version>
   <packaging>bundle</packaging>
 
   <name>Virtual Machine for Browser</name>
@@ -44,7 +44,7 @@
   <scm>
       <connection>scm:hg:http://source.apidesign.org/hg/bck2brwsr</connection>
       <url>http://source.apidesign.org/hg/bck2brwsr</url>
-    <tag>release-0.20</tag>
+    <tag>release-0.21</tag>
   </scm>
   <build>
       <plugins>

diff --git a/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java b/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java
@@ -19,6 +19,8 @@
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
 import org.apidesign.bck2brwsr.core.JavaScriptBody;
 import org.apidesign.vm4brwsr.ByteCodeParser.ClassData;
 import org.apidesign.vm4brwsr.ByteCodeParser.FieldData;
@@ -38,7 +40,7 @@ abstract class VM extends ByteCodeToJavaScript {
     int exportedCount;
 
     private VM(
-        Appendable out, Bck2Brwsr.Resources resources, 
+        Appendable out, Bck2Brwsr.Resources resources,
         StringArray explicitlyExported, StringArray asBinary
     ) {
         super(out);
@@ -63,18 +65,18 @@ private VM(
     boolean debug(Appendable out, String msg) throws IOException {
         return false;
     }
-    
-    static void compile(Appendable out, 
+
+    static void compile(Appendable out,
         Bck2Brwsr config
     ) throws IOException {
         String[] both = config.classes().toArray();
-        
+
         final StringArray fixedNames = new StringArray();
         boolean addThree = false;
-        
+
         VM vm;
         if (config.isExtension()) {
-            vm = new Extension(out, 
+            vm = new Extension(out,
                 config.getResources(), both, config.exported(),
                 config.allResources(), config.classpath()
             );
@@ -84,11 +86,11 @@ static void compile(Appendable out,
                 fixedNames.add(VM.class.getName().replace('.', '/'));
                 addThree = true;
             }
-            vm = new Standalone(out, 
+            vm = new Standalone(out,
                 config.getResources(), config.exported(),
                 config.allResources()
             );
-        }            
+        }
         if (addThree) {
             fixedNames.add(Object.class.getName().replace('.', '/'));
             fixedNames.add(Class.class.getName().replace('.', '/'));
@@ -106,7 +108,7 @@ private void doCompile(Appendable out, StringArray names) throws IOException {
         out.append("\n  }");
         generateBody(out, names);
         out.append(invokerMethods);
-        
+
         for (String r : asBinary.toArray()) {
             out.append("\n  ").append(getExportsObject()).append("['registerResource']('");
             out.append(r).append("', '");
@@ -137,7 +139,7 @@ private void doCompile(Appendable out, StringArray names) throws IOException {
             out.append(btoa(arr));
             out.append("');");
         }
-        
+
         out.append("\n");
         generateEpilogue(out);
     }
@@ -156,7 +158,7 @@ private static String btoa(byte[] arr) {
     protected abstract boolean isExternalClass(String className);
 
     protected abstract void lazyReference(Appendable out, String n) throws IOException;
-    
+
     @Override
     protected final void declareClass(Appendable out, ClassData classData, String mangledName)
             throws IOException {
@@ -271,49 +273,44 @@ final void requireResourceImpl(Appendable out, boolean useEval, String resource)
         if (useEval) {
             out.append("(0 || eval)(\"");
         }
-        readResource(useEval, emul, out);
+        try (Reader r = new InputStreamReader(emul, "UTF-8")) {
+            readResource(useEval, r, out);
+        }
         if (useEval) {
             out.append("\");");
         }
         out.append("\n");
     }
 
-    private static void readResource(boolean escape, InputStream emul, Appendable out) throws IOException {
-        try {
-            for (;;) {
-                int ch = emul.read();
-                if (ch == -1) {
-                    break;
-                }
-                if (ch < 0 || ch > 255) {
-                    throw new IOException("Invalid char in emulation " + ch);
-                }
-                if (escape) {
-                    switch (ch) {
-                        case '"':
-                            out.append("\\\"");
-                            break;
-                        case '\\':
-                            out.append("\\\\");
-                            break;
-                        case '\n':
-                            out.append("\\n\"\n + \"");
-                            break;
-                        case '\t':
-                            out.append("\\t");
-                            break;
-                        case '\r':
-                            out.append("\\r");
-                            break;
-                        default:
-                            out.append((char)ch);
-                    }
-                } else {
-                    out.append((char)ch);
+    private static void readResource(boolean escape, Reader emul, Appendable out) throws IOException {
+        for (;;) {
+            int ch = emul.read();
+            if (ch == -1) {
+                break;
+            }
+            if (escape) {
+                switch (ch) {
+                    case '"':
+                        out.append("\\\"");
+                        break;
+                    case '\\':
+                        out.append("\\\\");
+                        break;
+                    case '\n':
+                        out.append("\\n\"\n + \"");
+                        break;
+                    case '\t':
+                        out.append("\\t");
+                        break;
+                    case '\r':
+                        out.append("\\r");
+                        break;
+                    default:
+                        out.append((char)ch);
                 }
+            } else {
+                out.append((char)ch);
             }
-        } finally {
-            emul.close();
         }
     }
 
@@ -325,7 +322,7 @@ static String toString(String name) throws IOException {
 
     private StringArray scripts = new StringArray();
     private StringArray references = new StringArray();
-    
+
     @Override
     protected boolean requireReference(String cn) {
         return references.addIfMissing(cn);
@@ -340,7 +337,7 @@ protected void requireScript(String resourcePath) {
     String assignClass(String className) {
         return "vm." + className + " = ";
     }
-    
+
     @Override
     String accessClass(String className) {
         return "vm." + className;
@@ -382,9 +379,9 @@ protected String accessStaticMethod(
 
     @Override
     protected String accessVirtualMethod(
-            String object, 
-            String mangledName, 
-            String[] fieldInfoName, 
+            String object,
+            String mangledName,
+            String[] fieldInfoName,
             int params
     ) throws IOException {
         final ClassData referencedClass =
@@ -406,7 +403,7 @@ protected String accessVirtualMethod(
         return accessThroughInvoker(object, mangledName, params);
     }
 
-    private String accessThroughInvoker(String object, String mangledName, int params) 
+    private String accessThroughInvoker(String object, String mangledName, int params)
     throws IOException {
         String def = "\n  invoker." + mangledName + " = function(target";
         if (invokerMethods.indexOf(def) == -1) {
@@ -504,7 +501,7 @@ public MethodData getFound() {
 
     private static final class Standalone extends VM {
         private Standalone(Appendable out,
-            Bck2Brwsr.Resources resources, 
+            Bck2Brwsr.Resources resources,
             StringArray explicitlyExported, StringArray asBinary
         ) {
             super(out, resources, explicitlyExported, asBinary);
@@ -760,7 +757,7 @@ protected String getExportsObject() {
         protected boolean isExternalClass(String className) {
             return false;
         }
-        
+
         @Override
         protected void lazyReference(Appendable out, String n) throws IOException {
             String cls = n.replace('/', '_');
@@ -880,7 +877,7 @@ protected String getExportsObject() {
         protected boolean isExternalClass(String className) {
             return !extensionClasses.contains(className);
         }
-        
+
         @Override
         protected void lazyReference(Appendable out, String n) throws IOException {
             String cls = n.replace('/', '_');

diff --git a/rt/vm/src/test/java/org/apidesign/vm4brwsr/Resources.java b/rt/vm/src/test/java/org/apidesign/vm4brwsr/Resources.java
@@ -37,6 +37,15 @@ static Object retObj() {
         return null;
     }
 
+    @JavaScriptBody(args = {}, body = "return thisObj.yellowish_horse;")
+    static String retHorse() {
+        return null;
+    }
+
+    public static String getHorse() {
+        return retHorse();
+    }
+
     public static boolean isObj() {
         return retObj() != null;
     }

diff --git a/rt/vm/src/test/java/org/apidesign/vm4brwsr/ResourcesWithExtensionsTest.java b/rt/vm/src/test/java/org/apidesign/vm4brwsr/ResourcesWithExtensionsTest.java
@@ -52,6 +52,13 @@ public class ResourcesWithExtensionsTest {
             Resources.class, "isObj__Z", 1.0
         );
     }
+
+    @Test public void yellowHorseFound() throws Exception {
+        assertExec("Non ASCII text properly transpiled",
+            Resources.class, "getHorse__Ljava_lang_String_2", "Žluťoučký kůň"
+        );
+    }
+
     @Test public void objJSIsFound() throws Exception {
         assertExec("The resources used as @JavaScriptResource aren't available",
             Resources.class, "isResource__ZLjava_lang_String_2", 0.0, "obj"

diff --git a/rt/vm/src/test/resources/org/apidesign/vm4brwsr/obj.js b/rt/vm/src/test/resources/org/apidesign/vm4brwsr/obj.js
@@ -16,5 +16,4 @@
  * If not, see http://opensource.org/licenses/GPL-2.0.
  */
 this.thisObj = {};
-
-
+this.thisObj.yellowish_horse = 'Žluťoučký kůň';
diff --git a/rt/vm8/pom.xml b/rt/vm8/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.apidesign.bck2brwsr</groupId>
         <artifactId>rt</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>0.21</version>
     </parent>
     <artifactId>vm8</artifactId>
     <name>Bck2Brwsr on JDK8</name>

diff --git a/rt/vmtest/pom.xml b/rt/vmtest/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign.bck2brwsr</groupId>
     <artifactId>rt</artifactId>
-    <version>0.20</version>
+    <version>0.21</version>
   </parent>
   <groupId>org.apidesign.bck2brwsr</groupId>
   <artifactId>vmtest</artifactId>
-  <version>0.20</version>
+  <version>0.21</version>
 
   <name>VM Testing APIs</name>
   <url>http://bck2brwsr.apidesign.org</url>