This allows formatting of empty self closing tag to converge in one pass, previously it required 2 like below:
# `file.html`
<svg>
<circle>
</circle>
</svg>
# First markup_fmt run with svg.selfCLosing = true
<svg>
<circle></circle>
</svg>
# Second markup_fmt run with svg.selfCLosing = true
<svg>
<circle />
</svg>
This allows formatting of empty self closing tag to converge in one pass, previously it required 2 like below: