72d26a2dda
http://mail-index.netbsd.org/source-changes/2020/04/16/msg116278.html The reasoning turned out to be wrong; __KERNEL_RCSID() in header files does *not* overwrite RCSID in main source files. The real problem is that it inserts its RCSID into *every* object files. However, it can be still useful even if heavily duplicated.