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Showing help on 'task_stack()'

Syntax: task_stack (INT task-id [, include-line-numbers]) => LIST

Returns information like that returned by the `callers()' function, but for the suspended task with the given <task-id>; the <include-line-numbers> argument has the same meaning as in `callers()'. Raises E_INVARG if <task-id> does not specify an existing suspended task and E_PERM if the programmer is neither a wizard nor the owner of the specified task.