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<title>content_type (RMail::Header)</title>
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<pre><span class="cmt"># File lib/rmail/header.rb, line 535</span>
<span class="kw">def</span> content_type(default = <span class="kw">nil</span>)
<span class="kw">if</span> value = <span class="kw">self</span>[<span class="str">'content-type'</span>]
value.strip.split(<span class="re">/\s*;\s*/</span>)[0].downcase
<span class="kw">else</span>
<span class="kw">if</span> block_given?
<span class="kw">yield</span>
<span class="kw">else</span>
default
<span class="kw">end</span>
<span class="kw">end</span>
<span class="kw">end</span></pre>
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