- Stylesheets modified to support table heads.
- Document DTD modified to support blocks in table cells and list items.
- hpsf/book.xml added to sitemap (whatever that might be good for).
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352128 13f79535-47bb-0310-9956-ffa450edef68
