Last update: Sun Nov 23 02:01:01 MST 2025
@Preamble{
"\ifx \stack \undefined
\def \stack #1#2{\stackrel{\textstyle #1}{\textstyle #2}}
\fi" #
"\ifx \undefined \cprime \def \cprime {$\mathsurround=0pt '$} \fi" #
"\ifx \undefined \Dbar \def \Dbar {\leavevmode\raise0.2ex\hbox{--}\kern-0.5emD} \fi" #
"\ifx \undefined \k \let \k = \c \fi" #
"\ifx \undefined \mathbb \def \mathbb #1{{\bf #1}} \fi" #
"\ifx \undefined \mathcal \def \mathcal #1{{\cal #1}} \fi" #
"\ifx \undefined \mathrm \def \mathrm #1{{\rm #1}} \fi" #
"\ifx \undefined \pkg \def \pkg #1{{{\tt #1}}} \fi"
}