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13 Raising and handling exceptions ¶

Exceptions handling is a technique to handle exceptional conditions in the execution of a script; errors are a special case of exceptional conditions. It is useful whenever similar exceptional conditions may happen in different portions of a script and similar handling procedures are desirable.

• exceptions conventions:		Conventions.
• exceptions howto:		How to organise code to use MBFL exceptions.
• exceptions raise:		How to raise exceptional-condition objects.
• exceptions handlers:		How to write and set exception-handlers.