On Mon, 1 Oct 2018, David Walther wrote:

> I looked at your example.  I ran your example, and on my installation, it 
> has
> the same problem as I described.  I have included a PDF file of my original
> sample file, and also the PDF generated from your example.   What version 
> of
> ConTeXt are you using?

ConTeXt MkIV 2018.09.30

What version are you using?

> On my installation of context, columns are still coming out "ugly" as 
> you will see in the PDF t1.pdf.

Everything seems okay with the latest version of ConTeXt (see attached 
pdf, obtained from your t1.tex).

Aditya