CRAFTBOOK-3388 - Reported by Bedah

latest Spigot
latest Craftbook #4466
latest Worldedit #3948

If there is a repeater next to a IC-Sign(Transmitter), the signal gets blocked.
Screenshot: three ICs get blocked by one repeater

Maybe related with: https://dev.enginehub.org/youtrack/issue/CRAFTBOOK-3375

Comment by me4502

This is a long-standing bug in Spigot where the repeater blocks redstone events. I was pestering them a lot to fix it back in 2013/2014 but they wouldn't. I can try pestering them again.