If you look at Table of Contents in one of the EAP 6.3.0 guides, you can see that the first and last line at the page is incomplete.
Example: Administration And Configuration Guide
"5.2.1. About Socket Binding Groups"
Top of this text is on page 2, bottom of the text is on page 3.
I believe this is a Publican issue. Rudi, please send it back if I am wrong.
*** This bug has been marked as a duplicate of bug 1006796 ***