crecord: extract ui refresh code after editing of hunk in a function This is useful to reuse the logic to implement the continuation of the crecord session if the user edits a hunk and the editor exits with a non-zero status.

revset: mark spots that use 'set' instead of 'smartset' Using smartset is better because we can do more optimisation on it. So we are marking the faulty spot for later processing.

revset: mark spot that feeds a set to a baseset Sets have non-defined order and this should break stuff, but as we are lucky fullreposet is also broken so the result is "not too bad". We should fix it anyway, but it is too much for my current plate.

revset: mark the fact we should use '&' instead of 'filter' in 'head' I do not have time to fix all this now, let's mark it for later.