\begin{Verbatim}[commandchars=\\\{\}]
\PYG{c+c1}{\PYGZsh{} A large arrow straddling the axis:}
\PYG{n}{gd\PYGZus{}feature\PYGZus{}set}\PYG{o}{.}\PYG{n}{add\PYGZus{}feature}\PYG{p}{(}\PYG{n}{feature}\PYG{p}{,} \PYG{n}{sigil}\PYG{o}{=}\PYG{l+s+s2}{\PYGZdq{}BIGARROW\PYGZdq{}}\PYG{p}{)}
\end{Verbatim}
