[texhax] \par\nobreak vs. \vskip...\nobreak

[Philip Taylor]

Rodolfo Medina wrote:
> Hi all TeXperts.
>
> If, in a plain TeX document, I put `\par\nobreak', I'm quite sure that no page
> break will occur at that place.  Instead, if I do i.e. `\smallskip\nobreak',
> TeX will break the page just there.  As an example, I'm attaching a file to be
> processed with simply `tex file'...  In it there's a `\smallskip\nobreak' that
> breaks the page.  Replacing it with \par\nobreak prevents the break...  How can
> I tell TeX to apply a certain \vskip - different from \parskip - without
> breaking the page there...?
No time to experiment, but I would try \nobreak \smallskip \nobreak ...