.BG
.FN traceback
.TL
Print Call Stack After Error
.CS
traceback(data=last.dump)
.AG data
list that describes the state of the computation at the time
of the error.
The "names" attribute of `data' gives the character form of the
calls.
This object is created is by a call to `dump.frames' or `dump.calls',
typically because one of them has been specified as option `error'.
.PP
The `traceback' function prints the call stack represented by this object,
typically the calls that were in the process of being evaluated when
an error occurred.
.SA
`dump.calls', `debugger', `options'.
.KW programming
.WR
