<oerjan> le/rn scowrevs///hackenv/share/scowrevs is a list of repository revision ranges that affected a lot of files but in the end changed nothing (usually because of a revert at the end). Most of our custom repository lookup commands ignore these to reduce noise.

cc 'int i,r,n;main(){for(;n<1e5;n++,r*=2){for(i=2;i*i<=n;i++)if(n%i==0&&r--)break;r++;if((r&511)==325)printf("%d,%d,%d,%d%c",n-8,n-6,n-2,n,10);}}'