Re: Plain TeX: Aligning to an earlier centered line's ends

[image: image.png]

%%%%%%%%%%%%%%%%%%%

\noindent X\dotfill X

\bigskip


\centerline{\vtop{\halign{#\cr
    Left end of a centered line; its right end.\cr
    Aligned to L\hfil\cr
    \hfil Aligned to period.\cr
  }}}

\bigskip

\noindent X\dotfill X

\bye

%%%%%%%%%%%%%%%%%%%%%

David


On Wed, 7 Jan 2026 at 14:18, Suresh Govindachar via texhax <[email protected]>
wrote:

> Hello,
>
> A page has a centered line (via "\centerline{}"):  "Left end of a
> centered line; its right end."
>
> The line below that, "Aligned to L", needs to be left-aligned to "L" of
> the centered line.
>
> The line below that, "Aligned to period.", needs to be right-aligned to
> "." of the centered line.
>
> How exactly to achieve this (create a hbox to the size of the centered
> line, center this hbox, insert the text inside this hbox with hss on the
> right for left-alignment and hss on the left for right alignment)?
>
>