can not convert from utf8 to big5

```
What steps will reproduce the problem?
1.
2.
3.

What is the expected output? What do you see instead?


What version of the product are you using? On what operating system?
2d3a4e0fb600

Please provide any additional information below.


```

Original issue reported on code.google.com by `dlin...@gmail.com` on 7 May 2011 at 1:46
