<\body> Some other potentially useful macros are the following: <\explain|> For indicating some document fragment. This macro is especially useful for source code, as in <\tm-fragment> >>>> In this example, we used the keyboard shortcut in order to deactivate the source code inside an active outer document. <\explain|> For descriptive tables; such tables can be used to document lists of keyboard shortcuts, different types of markup, <\initial> <\collection>