abbreviations used in foc

```
What steps will reproduce the problem?
1. abbreviations such as b.d.h should be properly treated
2.
3.

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


Please use labels and text to provide additional information.


```

Original issue reported on code.google.com by `hong1.cui@gmail.com` on 19 Aug 2013 at 2:38
