I've had an enemy fighter (Shaman) flee from a system I'm in.
This allocated 0.25 darklight to my flag ship. However prior to gaining this extra 0.25 darklight it was on 3.75 Darklight, now it's only on 2.25 darklight.
Rather than adding the extra darklight to my flag ship's total it appears to have replaced it's previous total with the new darklight gain.
The ship is the "Silent Menance", the system is Svilleail.
_________________
Constantly pushing back the boundaries of Human Stupidity.