<svg xmlns="http://www.w3.org/2000/svg" xmlns:html="http://www.w3.org/1999/xhtml">
  <g id="testmeta">
    <title>Pattern: fill-opacity</title>
    <html:link rel="help"
          href="https://www.w3.org/TR/SVG2/pservers.html#Patterns"/>
    <html:link rel="match" href="reference/pattern-opacity-01-ref.svg"/>
  </g>
  <defs>
    <pattern id="pattern" width='1' height='1' patternContentUnits="objectBoundingBox">>
      <rect fill="lime" width="1" height="1"/>
    </pattern>
  </defs>
  <rect width="100%" height="100%" fill-opacity="0.5" fill="url(#pattern)"/>
</svg>