DateHeader
A container tag whose contents will be displayed if the entry in context was posted on a new day in the list.
Example
<mt:Entries> <mt:DateHeader> <h2><$mt:EntryDate format="%A, %B %e, %Y"$></h2> </mt:DateHeader> <h3><mt:EntryTitle></h3> <mt:EntryBody> </mt:Entries>