[OS X TeX] \overleftrightarrow

juan tolosa juantolo at me.com
Fri Nov 1 19:19:35 EDT 2013


OK, I came up with:
\def\overleftrightarrow#1{\buildrel \leftarrow\joinrel\rightarrow   \over {#1}}

for this to work in plain TeX.

This is not very elegant, since the top arrow does not "stretch" if needed.


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