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2. Pushes that object on the operand stack.
3. Looks up the error’s name in errordict and executes the associated
value, which is the error handler for that error.
The default error-handling procedures all operate in a standard way.
They record information about the error in a special dictionary named
$error, set the VM al-
After an error occurs and one of the default error-handling
procedures is exe-cuted, $error contains the entries shown in Table
A snapshot of the dictionary stack, stored as if by the dictstack
A flag that is set to true to indicate that an error has
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