\expandafter\@firstoftwo\expandafter\@scripts%
\else\@tempa\expandafter\@scripts\fi}
+%% Lookahead without eating spaces.
+\def\@ifnextchar@preserve#1#2#3{%
+ \let\want@= #1\def\@tempa{#2}\def\@tempb{#3}%
+ \futurelet\nch@\@ifnch@p%
+}
+\def\@ifnch@p{%
+ \ifx\want@\nch@\expandafter\@tempa\else\expandafter\@tempb\fi}
+
%% Extra syntax for Lisp templates. These produce the maths-font versions of
%% characters, which should contrast well against the sans face used for
%% literals.
}
\def\desc@end{\endlist\after@desc\global\let\after@desc\saved@after@desc}
-\def\@ifnextchar@preserve#1#2#3{%
- \let\want@= #1\def\@tempa{#2}\def\@tempb{#3}%
- \futurelet\nch@\@ifnch@p%
-}
-\def\@ifnch@p{%
- \ifx\want@\nch@\expandafter\@tempa\else\expandafter\@tempb\fi}
-
\@namedef{describe*}#1{\desc@begin{#1}}
\expandafter\let\csname enddescribe*\endcsname\desc@end
\def\describe{\parse@dhd\desc@}