https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91426
--- Comment #4 from David Malcolm <dmalcolm at gcc dot gnu.org> --- (In reply to Thomas Koenig from comment #2) > Having had occasion to look at a few hundred multi-line error messages > today, I have now changed my mind on what I would consider best :-) > > I now think different colors for primary and secondary error message > (if we stick with a maximum of two) is actually quite good. > > What would help a lot if the markers (1) and (2) in > > Error: Duplicate statement label 10 at (1) and (2) > > were also colored the same as the two markers under the > text of the program. > > Would this be doable / would others also find that useful? The patch I've just attached ought to do this (though it's just a crude prototype - it only works for the gfc_error_opt case). With that caveat, how does the output look?