\newcommand{\myif}{{\bf if}}
\newcommand{\myelse}{{\bf else}}
\newcommand{\ret}{{\bf return}}
\newcommand{\for}{{\bf for}}
\newcommand{\SS}{\mbox{{\sc Stooge-Sort}}}
\newcommand{\POWER}{\mbox{{\sc Power}}}
\newcommand{\Hash}{{\cal H}}
\newcommand{\myroot}{\mbox{{\em root}}}
\newcommand{\hi}{\mbox{{\sc Hash-Insert}}}
\newcommand{\hs}{\mbox{{\sc Hash-Search}}}

\newcommand{\while}{\mbox{\bf while}}
\newcommand{\name}{\mbox{{\em name}}}
\newcommand{\parentname}{\mbox{{\em parentname}}}
\newcommand{\parent}{\mbox{{\em parent}}}
\newcommand{\children}{\mbox{{\em children}}}
\newcommand{\nil}{\mbox{\sc Nil}}

\newcommand{\pti}{\mbox{{\sc Persistent-Tree-Insert}}}
\newcommand{\ptd}{\mbox{{\sc Persistent-Tree-Delete}}}
\newcommand{\rbi}{\mbox{{\sc RB-Insert}}}
\newcommand{\rbd}{\mbox{{\sc RB-Insert}}}
\newcommand{\rbdf}{\mbox{{\sc RB-Insert-Fixup}}}
\newcommand{\cp}{\mbox{{\sc Copy}}}
\newcommand{\cnn}{\mbox{{\sc Create-New-Node}}}
\newcommand{\key}{\mbox{{\em key}}}
\newcommand{\myleft}{\mbox{{\em left}}}
\newcommand{\myright}{\mbox{{\em right}}}
