Expanded documentation on excerpts
Expanded documentation on excerpts

git-svn-id: e90d7f289c433de901e97c9b7a205b5152919883@557 44c325e4-a42c-0410-87d1-89eb90bb738d

pat/riddle,yob/riddle,epotocko/riddle,pat/riddle,yob/riddle