Searching OPenn

OPenn utilizes standard Google searching techniques. For example:

LJS 445Will return all pages that include the text LJS and 445. This will include both html and xml pages.
"LJS 445"Will return only pages that include the exact text LJS 445. This will include both html and xml pages.
"historiated initial" -xmlWill return only html (not xml) pages that include the exact text historiated initial.
"Book of hours" -LJSWill return html and xml pages that include the exact text Book of hours and do not include the text LJS.
medical AND diagram -xmlWill return only html (not xml) pages that include the text medical and diagram.
parchment OR paper -xmlWill return only html (not xml) pages that include the text parchment or paper.