% Modifications to LaTeX

% Underline page headings
\def\ps@phcheadings{\def\@oddhead{\vbox{\hbox{}\sl\rightmark \hfil\rm\thepage\break\smallskip\hrule}}\def\@oddfoot{}
\def\@evenhead{\vbox{\rm \thepage\hfil \sl\leftmark\hbox {}\break\smallskip\hrule}}
\def\@evenfoot{}\def\sectionmark##1{}\def\subsectionmark##1{}}