\let\implies\Rightarrow
\let\epsilon\varepsilon
+%% A table heading cell. Clone and hack \multicolumn.
+\def\thd{\omit\@ifnextchar[\thd@{\thd@[l]}}
+\def\thd@[#1]#2{%
+ \begingroup
+ \tab@multicol \tab@initread \let\tab@looped\tab@err@multi
+ \tab@preamble{}\def\tab@midtext{\bfseries#2}\tab@readpreamble{#1}%
+ \the\tab@preamble
+ \endgroup \ignorespaces
+}
+
%% Unix manpage references.
\def\man#1#2{\textbf{#1}(#2)}
\atdef !{\m@maybe|\@scripts}
\def\returns{\m@maybe\longrightarrow\m@maybe@end\hspace{0.5em}\ignorespaces}
\atdef >{\leavevmode\unskip\hspace{0.5em}\returns}
+\atdef -#1{\if>#1{\ensuremath\rightarrow}\fi}
%% Comment setting.
\atdef ;#1\\{\normalfont\itshape;#1\\}
%% Put a chunk of text in a box.
\newenvironment{boxy}[1][\q@]{%
+ \savenotes
\dimen@\linewidth\advance\dimen@-1.2pt\advance\dimen@-2ex%
\medskip%
\vbox\bgroup\hrule\hbox\bgroup\vrule%
\endminipage\hskip1ex\egroup\vskip1ex\egroup%
\vrule\egroup\hrule\egroup%
\medskip%
+ \spewnotes%
}
%% Lisp documentation machinery.
\def\describecategoryname#1{%
\expandafter\let\expandafter\@tempa\csname cat!#1\endcsname%
\ifx\@tempa\relax#1\else\@tempa\fi}
+\definedescribecategory{sym}{symbol}
\definedescribecategory{fun}{function}
\definedescribecategory{gf}{generic function}
\definedescribecategory{var}{variable}
\definedescribecategory{const}{constant}
\definedescribecategory{meth}{primary method}
-\definedescribecategory{ar-meth}{around-method}
-\definedescribecategory{be-meth}{before-method}
-\definedescribecategory{af-meth}{after-method}
+\definedescribecategory{ar-meth}{around method}
+\definedescribecategory{be-meth}{before method}
+\definedescribecategory{af-meth}{after method}
\definedescribecategory{cls}{class}
\definedescribecategory{ty}{type}
\definedescribecategory{mac}{macro}
+\definedescribecategory{lmac}{local macro}
+\definedescribecategory{parse}{parser spec}
+\definedescribecategory{parseform}{parser form}
+\definedescribecategory{opt}{option handler}
+\definedescribecategory{optmac}{option macro}
\def\nlret{\\\hspace{4em}\returns}
\def\q@{\q@}
-\newenvironment{describe}[3][\q@]{%
+\def\parse@dhd#1{\@ifnextchar[{\parse@dhd@a{#1}}{\parse@dhd@c{#1}}}
+\def\parse@dhd@a#1[#2]{#1{#2}}
+\def\parse@dhd@c#1#2#3{\parse@dhd@cc{#1}{#2}{#3}#3 \q@}
+\def\parse@dhd@cc#1#2#3#4 #5\q@{#1{#4}{#2}{#3}}
+
+\newif\if@dheadfirst
+\def\dhead{\parse@dhd\dhead@}
+\def\dhead@#1#2#3{%
+ \if@dheadfirst\global\@dheadfirstfalse\else\relax\\[\smallskipamount]\fi%
+ {\let\protect\@empty\def\@uscore{_\@gobble}\message{#2:#1}%
+ \def\@uscore{-\@gobble}\edef\@tempa{\noexpand\label{#2:#1}}\@tempa}%
+ \rlap{\rightline{\normalfont\bfseries[\describecategoryname{#2}]}}%
+ #3%
+}
+
+\def\desc@begin#1{%
\normalfont%
- \par\goodbreak%
- \vspace{\bigskipamount}%
- \setbox\z@\hbox{\bfseries[\describecategoryname{#2}]}%
- \dimen@\linewidth\advance\dimen@-\wd\z@%
- \def\@temp##1 ##2\q@{\message{#2:##1}\label{#2:##1}}%
- \def\@tempa{#1}\ifx\@tempa\q@\@temp#3 \q@\else\@temp{#1} \q@\fi%
- \edef\@temp{{\the\linewidth}{@{}p{\the\dimen@}%
- @{\extracolsep{\fill}}l@{\extracolsep{0pt}}}}%
- \noindent\csname tabular*\expandafter\endcsname\@temp%
- \tabbing\codeface#3\endtabbing&\unhbox\z@\\\endtabular%
-% \@afterheading%
- \list{}{\rightmargin\z@}\item%
-}{%
- \endlist%
+ \if@nobreak\else\par\goodbreak\fi%
+ \global\@dheadfirsttrue%
+ \begingroup%
+ \codeface%
+ \let\@endparenv\relax%
+ \clubpenalty\@M \widowpenalty\@M \interlinepenalty50%
+ \tabbing#1\endtabbing%
+ \endgroup%
+ \penalty\@M\@afterheading%
+ \list{}{\rightmargin\z@\topsep\z@}\item%
}
+\let\desc@end\endlist
+
+\@namedef{describe*}#1{\desc@begin{#1}}
+\expandafter\let\csname enddescribe*\endcsname\desc@end
+\def\describe{\parse@dhd\desc@}
+\def\desc@#1#2#3{\desc@begin{\dhead@{#1}{#2}{#3}}}
+\let\enddescribe\desc@end
-%%% ----- That's all, folks --------------------------------------------------
-\endinput
\ No newline at end of file
+%%%----- That's all, folks --------------------------------------------------
+\endinput