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<h4 class="subsection">9.1.12 <code>@dfn</code>{<var>term</var>}</h4>
<p><a name="index-dfn-432"></a>
Use the <code>@dfn</code> command to identify the introductory or defining
use of a technical term. Use the command only in passages whose
purpose is to introduce a term which will be used again or which the
reader ought to know. Mere passing mention of a term for the first
time does not deserve <code>@dfn</code>. The command generates italics in
the printed manual, and double quotation marks in the Info file. For
example:
<pre class="example"> Getting rid of a file is called @dfn{deleting} it.
</pre>
<p class="noindent">produces
<blockquote>
Getting rid of a file is called <dfn>deleting</dfn> it.
</blockquote>
<p>As a general rule, a sentence containing the defining occurrence of a
term should be a definition of the term. The sentence does not need
to say explicitly that it is a definition, but it should contain the
information of a definition—it should make the meaning clear.
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