Difference between GNU- and BSD- sed is significant for building this port, but it wasn't detected at the moment of port creation. Fix: Patch attached with submission follows: How-To-Repeat: "ERROR: Unbound variable: Dielectric" when running meep.
Responsible Changed From-To: freebsd-ports-bugs->miwi I'll take it.
State Changed From-To: open->closed Committed. Thanks!