# [texhax] Double bar?

Rodolfo Medina rodolfo.medina at gmail.com
Sat Jan 1 20:15:15 CET 2011

Hi to all TeX users.

I wish to put a double bar onto a math symbol, in particular over x', but
$\bar \bar x$' gives error and $\bar{\bar x}$' is not very nice because the
two bars are not precisely aligned.  Please help on this issue (I'm a plain TeX
user).

Thanks in advance for any help
Rodolfo

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