<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.

#!/usr/bin/perl
sub k{my$t;$t=~y/IVXLCDM/XLCDMEE/,$t.=("",I,II,III,IV,V,VI,VII,VIII,IX)[$_]for/./g;$t=~s/.*E.*/Number too large/;$t}$_=(shift=~/(\w+)/)[0];print k,$/