span>
<span><span class="co">#&gt; Electricity [from Coal]       1    2         3</span></span>
<span><span class="co">#&gt; Electricity [from Solar]      4    5         6</span></span>
<span><span class="fu"><a href="../reference/rename_to_piece_byname.html">rename_to_piece_byname</a></span><span class="op">(</span><span class="va">m_pieces</span>, piece <span class="op">=</span> <span class="st">"suff"</span>, margin <span class="op">=</span> <span class="fl">2</span>,</span>
<span>                       