\RequirePackage{fix-cm}
\documentclass{article}
% \usepackage[T1]{fontenc}
% \usepackage{MinionPro}
% \usepackage{fourier}
\usepackage{textpathmp}
% \usepackage{amsmath}
% \def\hksqrt{\mathpalette\DHLhksqrt}
% \def\DHLhksqrt#1#2{\setbox0=\hbox{$#1\sqrt{#2\,}$}\dimen0=\ht0
% \advance\dimen0-0.2\ht0
% \setbox2=\hbox{\vrule height\ht0 depth -\dimen0}%
% {\box0\lower0.4pt\box2}}