[texhax] Stretch Brackets Around $\halign$

[Becker, Abraham (NIH/NLM/NCBI) [C]]

Donald,

Thank you for your response.

Yes, I'm doing this in LaTeX; \[ and \] denote a change to the displaymath environment.

I was using the $ to switch back to text mode because the \halign got mangled without it.
I realize now that I was missing a closing angle bracket somewhere :):

As I understand it, the solution works because \vcenter atomizes its contents as part of the current math list.

This solution works quite well, thank you.

----------------------
Abraham Becker
Contractor
PubMed Central

> -----Original Message-----
> From: Donald Arseneau [mailto:asnd at triumf.ca]
> Sent: Thursday, February 18, 2010 4:16 PM
> To: texhax at tug.org; hh-brasil at bol.com.br
> Subject: Re: [texhax] Stretch Brackets Around $\halign$
> 
> "Becker, Abraham (NIH/NLM/NCBI) [C]" <beckera at ncbi.nlm.nih.gov> writes:
> 
> > I'm trying to stretch some brackets around an \halign table which is
> in text mode, but having some difficulty, as the brackets are
> disappearing.
> >
> > Could you please offer a suggestion on how I can improve this?
> >
> > \[
> > \left[
> > {$\offinterlineskip\tabskip=0pt
> > \halign{\quad$#$\quad &\strut\vrule\quad$#$\quad &\quad$#$\quad
> &\strut\vrule\quad$#$\quad &\quad$#$\quad\tabskip=0pt\cr
> 
> What is \[ ?  Are you doing this in LaTeX?  WHY!?!?!
> 
> You know that \left appears in math mode, and then $ wants to turn
> *off* math mode?  You should probably be doing
> 
> \left[ \vcenter{\offinterlineskip\tabskip=0pt
>  \halign ...
> 
> 
> --
> Donald Arseneau                          asnd at triumf.ca
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