fix attribute validation remove unnoticed old code from schema validation fix error message for missing attribute
fix attribute validation
remove unnoticed old code from schema validation
fix error message for missing attribute


git-svn-id: 4b064e69dc630d28214c1e1442d27300cccf8e9a@174074 c90b9560-bf6c-de11-be94-00142212c4b1

DQNEO/PEAR_Exception