new file mode 100644

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+\def\ps@headings{%

+      \let\@oddfoot\@empty\let\@evenfoot\@empty

+      \def\@evenhead{\underline{\makebox[\textwidth][l]{%

+          \sffamily\thepage\hfill\leftmark}}}%

+      \def\@oddhead{\underline{\makebox[\textwidth][l]{%

+          \sffamily\rightmark\hfill\thepage}}}%

+      \let\@mkboth\markboth

+    \def\sectionmark##1{%

+      \markboth {

+        \ifnum \c@secnumdepth >\z@

+          \thesection\quad

+        \fi

+        ##1}{

+        \ifnum \c@secnumdepth >\z@

+          \thesection\quad

+        \fi

+        ##1}}%

+    \def\subsectionmark##1{}}

+\renewenvironment{abstract}{\section*{\abstractname}%

+    \@mkboth{\abstractname}{\abstractname}}{}

+\newenvironment{acknowledgments}{\section*{Acknowledgments}%

+    \@mkboth{Acknowledgments}{Acknowledgments}}{}

+\renewcommand\tableofcontents{%

+    \section*{\contentsname

+        \@mkboth{\contentsname}{\contentsname}}%

+    \@starttoc{toc}%

+    }

+\renewcommand\listoffigures{%

+    \section*{\listfigurename}%

+      \@mkboth{\listfigurename}%

+              {\listfigurename}%

+    \@starttoc{lof}%

+    }

+\renewcommand\listoftables{%

+    \section*{\listtablename}%

+      \@mkboth{\listtablename}%

+         {\listtablename}%

+    \@starttoc{lot}%

+    }

+\renewenvironment{thebibliography}[1]

+     {\section*{\refname}%

+      \@mkboth{\refname}{\refname}%

+      \list{\@biblabel{\@arabic\c@enumiv}}%

+           {\settowidth\labelwidth{\@biblabel{#1}}%

+            \leftmargin\labelwidth

+            \advance\leftmargin\labelsep

+            \@openbib@code

+            \usecounter{enumiv}%

+            \let\p@enumiv\@empty

+            \renewcommand\theenumiv{\@arabic\c@enumiv}}%

+      \sloppy

+      \clubpenalty4000

+      \@clubpenalty \clubpenalty

+      \widowpenalty4000%

+      \sfcode`\.\@m}

+     {\def\@noitemerr

+       {\@latex@warning{Empty `thebibliography' environment}}%

+      \endlist}

+\endinput