.</dd></dl>

<dl class=datum><dt>icon</dt><dd>
  <p>These are the alterations to the standard <tt>/icon</tt> datum.</p>
<dl class=datum>
  <dt>var/setwidth</dt>
    <dd>Width, in tiles.</dd>
  <dt>var/setheight</dt>
    <dd>Height, in tiles.</dd>

  <dt>proc/BlendIcon(icon/c, x, y, operation=ICON_OR, icon_width=32, icon_height=32)</dt>
    <dd>Blends a single-tiled icon at offset position (<tt>x</tt>,<tt>y</tt>)
      onto this big icon.<br>
      <tt>icon_width</tt> and <tt>icon_height</tt> specify
      t