Pinboard.in autocomplete "exact match" bug

gistfile1.md

Unminified fragment (pin.js, Pin.Tags.prototype.filter, line 884):

if (Pin.Lang.indexOf(words, w) >= 0)  // case-sensitive
{
    lis[i].className = 'selected';
}

Minified:

if(Pin.Lang.indexOf(f,g)>=0||(d&&g===a)||(!d&&g.toLowerCase()===a.toLowerCase())){
    j[b].className="selected"
}

Observations:

1. Extra conditions exist in the minified code
2. These conditions (specifically, the toLowerCase portion) cause .selected to be applied to the li
3. .selected causes the li to be hidden