% \subsubsection{Leashes} % \DescribeEnv{leash}{Put content inside a scrollable box.} % \begin{macrocode} %<*classXimera> \newenvironment{leash}[1]{% }{% } % % \end{macrocode} % \begin{macrocode} %<*htXimera> \renewenvironment{leash}[1]{\ifvmode \IgnorePar\fi \EndP\HCode{