Fail to parse a simple date

```
What steps will reproduce the problem?
1. date.parseExact("05/05/2011 08:27","dd/MM/YYYY HH:mm")

What is the expected output? What do you see instead?
I expect the date to be correctly parsed. The return is null or undefined.

What version of the product are you using? On what operating system?
Windows 7 / Firefox 4

Please provide any additional information below.

```

Original issue reported on code.google.com by `andre.rodier` on 3 Jun 2011 at 3:12