DESCRIPTION¶
Check if the interactive user is allowed to use tracing.
The argument what denotes the action for which permission is to be checked, arg is the argument given to trace(E).
| what | notes | 
|---|---|
| “trace” | Is the user allowed to use tracing? argis the tracelevel argument given. | 
| “traceprefix” | Is the user allowed to set a traceprefix? argis the prefix given. |