Re: A challenge.. Group Periods of Data (1..5, 2..8,

From: Karl Stubsjoen <kstubs@xxxxxxxxx>

1)  Variable e2 select.
select="@period_end[. > $e]|$e[. >= current()/@period_end]"

How does the pipe work here and is this only evaluating the current B
element, or evaluating all @period_end(s)?

2)  Right off the bat (first iteration), I don't understand how you
determine the period attribute "ends" value.

3)  Variable g select, what does this get you, the ancestor record?
select="/.."