add notes about ideas for improving the xquery field type handling
add notes about ideas for improving the xquery field type handling

git-svn-id: 2763f1fca7fb69be28e371218444b96f4c0cb75a@193 1168706f-7e1d-44e7-b746-9e172b5a9a2f

emory-libraries/eulcore-history,emory-libraries/eulcore-history