gistfile1.txt

<symbol id="icon-cross" viewBox="0 0 32 32">
<title>cross</title>
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<svg class="icon icon-cross"><use xlink:href="#icon-cross"></use></svg>

.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
}