Example 3: Nested Error Handlers
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Example 3: Nested Error Handlers

With $ZTRAP: New $ZTRAP Set $ZTRAP=...

With $ETRAP: New $ETRAP Set $ETRAP=...

[Note]

In both cases, QUITting to a lower level may effectively make the other mechanism active.
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Example 2: Ignoring an Error  Home  Example 4: Access to "cause of error"