v2.4.12

Don't unescape \x00 in regexes (it breaks IE8)

lib/output.js

@@ -51,6 +51,7 @@ function OutputStream(options) {
         quote_keys       : false,
         space_colon      : true,
         ascii_only       : false,
+        unescape_regexps : false,
         inline_script    : false,
         width            : 80,
         max_line_len     : 32000,
@@ -1140,6 +1141,7 @@ function OutputStream(options) {
             0x21   , // !
             0x0a   , // \n
             0x0d   , // \r
+            0x00   , // \0
             0xfeff , // Unicode BOM
             0x2028 , // unicode "line separator"
             0x2029 , // unicode "paragraph separator"
@@ -1150,7 +1152,7 @@ function OutputStream(options) {
         var str = self.getValue().toString();
         if (output.option("ascii_only")) {
             str = output.to_ascii(str);
-        } else {
+        } else if (output.option("unescape_regexps")) {
             str = str.split("\\\\").map(function(str){
                 return str.replace(/\\u[0-9a-fA-F]{4}|\\x[0-9a-fA-F]{2}/g, function(s){
                     var code = parseInt(s.substr(2), 16);

package.json

@@ -3,7 +3,7 @@
     "description": "JavaScript parser, mangler/compressor and beautifier toolkit",
     "homepage": "http://lisperator.net/uglifyjs",
     "main": "tools/node.js",
-    "version": "2.4.11",
+    "version": "2.4.12",
     "engines": { "node" : ">=0.4.0" },
     "maintainers": [{
         "name": "Mihai Bazon",