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Sorry, we have no insides into smep , so for me noe working way to integrate both mods is known
 
They can be combined. As I recall, install DAIM FIRST, and then SMEP. However, many DAIM triggers (especially Soviet and German ones) look for the historic event number rather than the updated SMEP number. You can go through these two files individually and alter them, though this is a time consuming task.