Multiline self-closing tags are not paired properly

[winstliu]

Prerequisites

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  • Followed all applicable steps in the debugging guide: http://flight-manual.atom.io/hacking-atom/sections/debugging/
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Description

In an HTML file:

<div>
    <div
    />
</div>

Notice that the second and third div tags are paired with each other, when really it should be 1st + 3rd and 2nd paired with itself.

This was handled properly until a performance regression was identified and fixed in #315.