diff engine hello i see that you maintain wdiff wikeddiff as you know wikimedia projects as diff engine use wikidiff which is written in c wikidiff has a couple annoying bugs which make many diffs useless could you maybe give a look and contribute some suggestion or patch see mw developer access basically everyone can committ patches nowadays in particular i've been told that bug could be trivially fixed but this could give huge problems due to the poor performance in some edge cases bug which is supposed to get much worse in that case