# [texhax] could someone give me an explanation as to why fontsize fails with an overfull box

Philip Taylor P.Taylor at Rhul.Ac.Uk
Mon Jan 14 17:59:07 CET 2019

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Peter Flynn wrote:
> I think in the sense you mean, yes. In fact a \vbox can be used for
> storage, and applied later, so it doesn't have to be used on the
> *current* page; but its contents do have to *fit* on a single page or less.

Not necessarily so.  A \vbox can by \unvboxed.

>
> If you mean, "why is TeX not more forgiving of the omission of mandatory
> arguments?" then answer is probably "because Knuth wrote it that way" :-)

Or more simply, "because they are mandatory".

** Phil.
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