[texhax] On putting \unvbox inside an \hbox

[VAFA KHALIGHI]

I already found the answer and I have got my own reasons to put unvbox
inside an \hbox. No need to be rude.

On Sat, Sep 17, 2011 at 11:12 PM, Michael Barr <barr at math.mcgill.ca> wrote:

> No, I am not trying to answer the question.  But it reminds me of a web
> site I saw recently: http://homepage.ntlworld.com/**
> jonathan.deboynepollard/FGA/**put-down-the-chocolate-**covered-banana.html<http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/put-down-the-chocolate-covered-banana.html>
> that contains a sidebar that says, in part:
>
> The general case is:
>
>  1.  Someone wants to accomplish task Y.
>  2.  They determine that a way to accomplish Y is to use facility X.
>  3.  There is a sub-task of Y, say Z, for which X is ill-suited.
>  4.  They come into the group and ask .how can I use X to accomplish Z?.
>
> This is a problem for people here trying to answer the real question, which
> is:
>
>    How can I accomplish Y?
>
> But nobody can answer this question because the querent never mentioned
> Y at all, and so nobody knows that the real goal is to accomplish Y..
>
> -- Mark-Jason Dominus.
>
> This URL ought to be part of every texhax issue, since it expresses this
> sort of problem so well.  Why do you want to put \unvbox inside an \hbox?
> After all, the following works perfectly well:
>
> \documentclass{article}
>  \pdfoutput0
> \begin{document}
>  \setbox0=\vbox{test}
>  \setbox2=\hbox{\box0}
>  \box2
>
> \end{document}
>
> Michael Barr
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