[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:




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