test/plugins/moveElemsAttrsToGroup.01.svg

Move common children attributes to group

===

<svg xmlns="http://www.w3.org/2000/svg">
    <g attr1="val1">
        <g fill="red" color="#000" stroke="blue">
            text
        </g>
        <g>
          <rect fill="red" color="#000" />
          <ellipsis fill="red" color="#000" />
        </g>
        <circle fill="red" color="#000" attr3="val3"/>
    </g>
</svg>

@@@

<svg xmlns="http://www.w3.org/2000/svg">
    <g attr1="val1" fill="red" color="#000">
        <g stroke="blue">
            text
        </g>
        <g>
            <rect/>
            <ellipsis/>
        </g>
        <circle attr3="val3"/>
    </g>
</svg>