<!ELEMENT journal ( year ) >
<!ELEMENT year ( yearnum, month ) >
<!ELEMENT yearnum ( #PCDATA ) >
<!ELEMENT month ( monthnum, monthsummary, day+ ) >
<!ELEMENT monthnum ( #PCDATA ) >
<!ELEMENT monthsummary ( #PCDATA ) >
<!ELEMENT day ( daynum, desc ) >
<!ELEMENT daynum ( #PCDATA ) >
<!ELEMENT desc ( #PCDATA ) >