# [texhax] \overline and \phantom

Paul Stanley paulrichardstanley at gmail.com
Mon Jul 30 20:47:35 CEST 2012

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}