% Programming languages.
\def\commonlisp{Common Lisp}
\def\clos{CLOS}
\def\closs{Common Lisp Object System}
\def\lisp{Lisp}
\def\hs{HyperSpec}
\def\bs{$\backslash$}
\def\lispobj#1{\textsl{#1}}
\def\emphindex#1{\emph{#1}\index{#1}}
\def\syntax#1{\texttt{#1}}
\def\metavar#1{\textit{#1}}
\def\code#1{\textsf{#1}}
\def\FIXME#1{\footnote{\color{red}FIXME: #1}}
\def\java{Java}
\def\csharp{C\#}
\def\javascript{JavaScript}
\def\php{PHP}
\def\self{Self}
\def\perl{Perl}
\def\python{Python}
\def\ruby{Ruby}
\def\smalltalk{Smalltalk}
\def\simula{Simula}
\def\clanguage{C}
\def\cplusplus{C++}
\def\fortran{Fortran}
\def\pascal{Pascal}
\def\algol{Algol}
\def\ml{ML}
\def\haskell{Haskell}
\def\miranda{Miranda}
\def\cobol{COBOL}
\def\plone{PL/I}
\def\emacs{Emacs}

% Operating systems and kernels.
\def\multics{Multics}
\def\unix{UNIX}% The Wikipedia article says this is the way it is written.
\def\gnulinux{GNU/Linux}
\def\linux{Linux}
\def\bsd{BSD}
\def\mach{Mach}
\def\atlas{Atlas}
\def\vms{VMS}
\def\ibmvmcms{VM/CMS}
\def\msdos{MS DOS}
\def\genera{Genera}

% Misc
\def\clim{CLIM}