debugger-argsdebugger-args is a variable defined in `
debug.el'. Its value is
nilDocumentation: Arguments with which the debugger was called. It is a list expected to take the form (CAUSE . REST) where CAUSE can be: - debug: called for entry to a flagged function. - t: called because of debug-on-next-call. - lambda: same thing but via `funcall'. - exit: called because of exit of a flagged function. - error: called because of `debug-on-error'.