[texhax] A question about stretchability and shrinkability

[Rodolfo Medina]

Rodolfo Medina <rodolfo.medina at gmail.com> writes:

> Suppose that in a certain place of my text I say something like, e.g.:
>
>  \vskip 25 pt
>
> and I mean exactly 25 pt with no stretchability neither shrinkability.  Will
> it be enough to say:
>
>  \vskip 25 pt plus 0 pt minus 0 pt
>
> ?  Am I sure this way that plain TeX will shift what follows by exactly 25
> pt, nothing more, nothing less?  Or should I achieve that by some other
> commands?


...and, more important, will 25 pt be just the same wherever I am in the text?
I mean, 25 pt on page (say) 9 are the same as 25 pt on page (say) 113?

Rodolfo