o.</p>
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      <pre class="code"><span class="info file"># File 'lib/rrtf/colour.rb', line 162</span>

<span class='kw'>def</span> <span class='id identifier rubyid_to_s'>to_s</span><span class='lparen'>(</span><span class='id identifier rubyid_indent'>indent</span><span class='op'>=</span><span class='int'>0</span><span 