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<h2 class="chapter">12 Errors and Warnings</h2>
<p>Octave includes several functions for printing error and warning
messages. When you write functions that need to take special action
when they encounter abnormal conditions, you should print the error
messages using the functions described in this chapter.
</p>
<p>Since many of Octave’s functions use these functions, it is also useful
to understand them, so that errors and warnings can be handled.
</p>
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