Ihor Radchenko writes: > Rudolf, I am OK with the patch, but could you please add a comment > explaining why trailing space, so that people do not wonder in future? Please see the attached patch, revised as follows: - no leading space in the mode line element to make it completely correct - a clear explanation (with a citation) to avoid pointless discussions - two new automated tests to avoid future regressions - a clearer commit message Rudy