\def\<#1>{\leavevmode\hbox{\it #1\/}}
\let\>=\noindent
\def\qed{{\parfillskip=0pt\allowbreak\hfill\nobreak $\spadesuit$\par}}
-\def\FIXME#1{\>{\bo FIXME:} #1}
+\def\FIXME#1{\>{\bo TODO:} #1}
\def\symdiff{\mathbin{\Delta}}
+\def\hphantas#1#2{\setbox0=\hbox{#2}\hbox to \wd0{#1\hss}}
+\def\o#1{\accent23 #1}
% Footnotes
\newcount\footcnt
\parskip=1pt plus 1pt minus 0.3pt
\rightskip=2em
\itemcount=0
+\smallskip
}
\def\endalgo{\interlistskip\endgroup}
\def\algopar{\par
\leavevmode
}
\def\algoitem{
-\ifnum\itemcount=0\smallskip\fi
\algopar\advance\itemcount by 1
\hbox to 2em{\hss \the\itemcount. }%
\futurelet\next\algoitemh}
}
\def\proclaim#1{\advance\thmcount by 1
-\noindent {\bo #1 \the\chapcount.\the\seccount.\the\thmcount.\enspace}}
+\noindent {\bo \the\chapcount.\the\seccount.\the\thmcount.\enspace #1.\enspace}}
-\def\theorem{\proclaim{Theorem}}
+\def\thm{\proclaim{Theorem}}
\def\lemma{\proclaim{Lemma}}
\def\defn{\proclaim{Definition}}
\def\problem{\proclaim{Problem}}
\def\obs{\proclaim{Observation}}
\def\rem{\proclaim{Remark}}
\def\alg{\proclaim{Algorithm}}
+\def\impl{\proclaim{Implementation}}
+\def\cor{\proclaim{Corollary}}
\def\label#1{{\sl (#1)\/}\enspace}
-\def\theoremn{\theorem\label}
+\def\thmn{\thm\label}
\def\lemman{\lemma\label}
\def\defnn{\defn\label}
\def\algn{\alg\label}