Debugging utilities

Special form


\begin{inset}{} Reassigns {\it variable\/}, whose value should be a procedure, t... ... {\tt (DEBUG-OUTPUT)} port whenever it is called or returns a value. \end{inset}

Special form


\begin{inset}{} If {\it variable\/} has a traced procedure as its value, {\tt UN... ... its original value. Otherwise it prints a warning and does nothing. \end{inset}

Special form


\begin{inset}{} Prints the definition of {\it procedure\/} on the terminal outpu... ...ETTY-PRINT}, and {\tt WHERE-DEFINED}, page \pageref{WHERE-DEFINED}.) \end{inset}


\begin{inset}{} Prints a one-line summary describing each continuation on the stack. \index{continuations} See also {\tt DEBUG}, page \pageref{DEBUG}. \end{inset}