Description of problem:
Character representing microseconds "µs" is garbled in Red Hat documentation in Japanese. It only occurs in PDF version. 


Version-Release number of selected component (if applicable):

How reproducible:


Steps to Reproduce:
1. Download a pdf document from the following url:
http://documentation-stage.bne.redhat.com/docs/ja-JP/Red_Hat_Enterprise_Linux/6/pdf/Resource_Management_Guide/Red_Hat_Enterprise_Linux-6-Resource_Management_Guide-ja-JP.pdf

2. Open page 21

3. The bottom two paragraphs contains the garbled text (looks like a rectangle with a letter X on it). it is supposed to be "µs".
Please see attached screenshot (the garbled texed is circled in red).
  
Actual results:
Shows garbled text

Expected results:
Has to be "µs"

Additional info:
I recently have to re-brew this document to fix other garbled problem, but rebrewing did not solve this problem.