[texhax] \overline and \phantom
Lars Madsen
daleif at imf.au.dk
Mon Jul 30 21:18:04 CEST 2012
On 2012-07-30 20:47, Paul Stanley wrote:
> Hi
> does the below code draw a line whose length equals the length of the
> expression a+x and whose height is equal to or greater than the x height
> of the tallest glyph in the expression?
>
> Many thanks,
> Paul
> \documentclass{article}
>
> \usepackage{amssymb}
>
> \begin{document}
> $$\overline{\phantom{a+x}}$
> \end{document}
>
something like that, basically \phantom{...} takes up the same space as
... would
there are two variants as well, \vphantom who give the same height and
depth, but no width, and \hphantom, that provide width but no depth or
height.
Note that none of the phantoms print their argument
At the other end there is \smash, which is like \hphantom, but it also
prints its argument
/daleif
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