[GNC] Use of "dash" as a Separator Character

[Colin Law]

On Tue, 23 Jul 2019 at 17:18, Michael Hendry <hendry.michael at gmail.com> wrote:
> ...
> The tooltip on my Mac version of GC 3.5 specifically includes “dash” as one of the legal options.

Same with 3.6 on Ubuntu.  The tooltip says "dash" is allowed.  I guess
that is a bug.

Colin