man/figures/plus-diamond-pch.svg

<svg style="background-color: white;" xmlns="http://www.w3.org/2000/svg" version="1.1" width="54" height="74">
  <g>
    <line id="pline1" x1="2" x2="52" y1="27" y2="27" stroke="black" stroke-opacity="1" stroke-width="2"></line>
    <line id="pline2" x1="27" x2="27" y1="2" y2="52" stroke="black" stroke-opacity="1" stroke-width="2"></line>
    <polygon id="diamond" points="27,2 2,27 27,52 52,27 27,2" stroke="black" fill="transparent" stroke-opacity="1" stroke-width="2"></polygon>
  </g>
<text x="25" y="70" font-family="sans-serif" text-anchor="middle" font-size="6px">plus-diamond</text>
</svg>