I'm new to using this forum, so apologies in advance in I have posted
this to the wrong place.I'm using Adobe LiveCycle ES2.5 (Jboss) and have
written several complex XSLT scripts. All have worked, with the
exception of the latest one in which I have to sum a repeating subnode
that maynot exist and if it does, may contain a number or be empty. When
I have used SUM by itself, it works perfectly if I all the nodes have
values, but returns zero if any are missing or are empty. After some
searching ...