MYFACES-3578 NumberConverter: implement workaround for http://bugs.sun.com/view_bug.do?bug_id=4510618 (thanks to Martin Koci for provide this patch)
diff --git a/api/src/main/java/javax/faces/convert/NumberConverter.java b/api/src/main/java/javax/faces/convert/NumberConverter.java
index 1398fe0..94744d8 100755
--- a/api/src/main/java/javax/faces/convert/NumberConverter.java
+++ b/api/src/main/java/javax/faces/convert/NumberConverter.java
@@ -133,6 +133,7 @@
                 {
                   dfs.setGroupingSeparator(' ');
                   df.setDecimalFormatSymbols(dfs);
+                  value = value.replace('\u00a0', ' ');
                   changed = true;
                 }