label underline not showing when output to pdf

Anyone ran into the issue of underline attribute not showing for any pdf files but works perfectly in any other previews?

Here is an example of the preview with the underline working
Screen Shot 2014-02-19 at 4.03.59 PM.jpg

and This is the same exact file in pdf

Screen Shot 2014-02-19 at 4.04.16 PM.jpg

I have tried in Windows as well with the same results.

Attached Images

• Screen Shot 2014-02-19 at 4.03.59 PM.jpg (28.0 KB)
• Screen Shot 2014-02-19 at 4.04.16 PM.jpg (18.7 KB)