\inputencoding{utf8}
\HeaderA{testit}{An Rd Regression Test}{testit}
\aliasB{\{}{testit}{.Rlbrace.}
%
\begin{Usage}
\begin{verbatim}
\x \y %{}

foo(x, y)
\end{verbatim}
\end{Usage}
%
\begin{Details}\relax
Escaped backslash \code{\bsl{}x}.

\code{\%\{\}}

\LinkA{a link}{a link} and one to a known destination:
\LinkA{weighted.mean}{weighted.mean}

var in \var{text}.

\code{foo(\var{x}, \var{y})}.
\begin{alltt}
  Escaped backslash \bsl{}x.

  %\{\}

  var in \bsl{}var\{text\}.
  
  foo(\bsl{}var\{x\}, \bsl{}var\{y\}).
  
  From gap: pedtodot.Rd -- n=split(m,par,"\bsl{}034") 
  \end{alltt}

Yihui Xie's example:
\begin{description}
\item[def] ghi
\end{description}

\end{Details}
%
\begin{Examples}
\begin{ExampleCode}
\x
%{}
foo(x, y)
\end{ExampleCode}
\end{Examples}