Store the current context in a variable. Use ‘store_date’ to store the date context.
<r:parent store='foo'> ... <r:node select='foo'>we are back in the context before 'parent'</r:node> </r:parent> <r:node select='34'><r:void store_date='blah'><r:date select='[event_at]'>...<r:date select='blah'>...