doc/tutorial.xml: Fix a broken link.
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@ -212,7 +212,7 @@
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</programlisting>
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<para>
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For advanced programmers the
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function <link linkend="func-ref-comedi-comedi-get-buffer-contents"><function>comedi_get_buffer_contents</function></link>
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function <link linkend="func-ref-comedi-get-buffer-contents"><function>comedi_get_buffer_contents</function></link>
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is useful to check if there is actually data in the ringbuffer
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so that a call of <function>read</function> can be avoided for example
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when the data readout is called by a timer call-back function.
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