[OS X TeX] colorbox
Alan Munn
amunn at msu.edu
Sun Jul 27 23:36:18 EDT 2008
At 10:28 PM -0400 7/27/08, Alain Schremmer wrote:
>This is just a LaTeX question but I have already
>wasted a couple of hours on it. So, I hope, Š
>
>I would like to have the same highlighting effect as in
>
> $f(x)$\colorbox{yellow}{$\left.\right|_{x:=-3}$}
>
>but of course, since the delimiters do not take
>the height of the front into account, with
>
> $\dfrac{x}{x-1}$\colorbox{yellow}{$\left.\right|_{x:=-3}$}
>
> the vertical bar is too short and I am not able
>to move \left. to the left of the fraction.
How about:
\newlength{\foo}
\settoheight{\foo}{$\dfrac{x}{x-1}$}
$\dfrac{x}{x-1}$\colorbox{yellow}{$\left.\rule{0pt}{\foo}\right|_{x:=-3}$}
Alan
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