Patrick,
Thanks. Yes, I just want to align horizontally on the page.
In my preamble, I have:
\setuptyping
[before={\startframedtext[width=\makeupwidth,
background=screen,
backgroundscreen=0.8]},
after={\stopframedtext},
color=darkred]
Later in the document I have:
\startalignm
Hello David,
> \starttyping
> y = x.^2 -2*x - 3
> \stoptyping
>
> I'd like, just this one time, to typeset this so it fall in the middle of
> the page, with a slightly enlarged fontsize.
What is "the middle of the page"? centered vertically and
horizontally?
If only horizontal alignment: use
\