<svg xmlns="http://www.w3.org/2000/svg" xmlns:html="http://www.w3.org/1999/xhtml">
  <title>Radial gradient with overlapping start and end circles</title>
  <metadata>
    <html:link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/pservers.html#RadialGradientNotes"/>
    <html:link rel="match" href="reference/green-100x100.svg"/>
    <html:meta name="assert" content="If the start circle fully overlaps with the end circle, the gradient should be drawn."/>
    <html:meta name="fuzzy" content="maxDifference=0-1; totalPixels=0-4500"/>
  </metadata>

  <rect width="100" height="100" fill="red"/>

  <radialGradient id="fully_overlapping" r="100" fr="100">
    <stop stop-color="green"/>
    <stop stop-color="green" offset="1"/>
  </radialGradient>
  <rect width="100" height="100" fill="url(#fully_overlapping) orange"/>
</svg>