Hi, Nicolas, > The new regexps still don't look right, as they can match an additional > dash: > > (string-match "---\\([^-]?\\)" "----") => 0 > > I'm not sure about the intent of this regexp, that is whether > consecutive mdashes or ndashes are allowed or not. > > A correct version could be either: > > ("---" . "—") > > or > > ("\\([^-]\\|^\\)---\\([^-]\\|$\\)" . "\\1—\\2") > > I think the former is on par with LaTeX behaviour.
Good point, and I don't see any problem with your first version, though I don't understand the intent behind the original regexp, either. I had assumed the point was to avoid matching horizontal separator lines in tables, but that doesn't seem to be an issue. Thanks, Thomas