diff -r d5dd07b45f79 -r d3df935aff70 rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Mon Apr 28 10:59:12 2014 +0200
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Mon Apr 28 17:31:29 2014 +0200
@@ -459,7 +459,11 @@
                 + "    function registerResource(n, a64) {\n"
                 + "      var str = atob(a64);\n"
                 + "      var arr = [];\n"
-                + "      for (var i = 0; i < str.length; i++) arr.push(str.charCodeAt(i) & 0xff);\n"
+                + "      for (var i = 0; i < str.length; i++) {\n"
+                + "        var ch = str.charCodeAt(i) & 0xff;\n"
+                + "        if (ch > 127) ch -= 256;\n"
+                + "        arr.push(ch);\n"
+                + "      }\n"
                 + "      if (!resources[n]) resources[n] = [arr];\n"
                 + "      else resources[n].push(arr);\n"
                 + "    }\n"