in templates/ydotm/bootstrap3.js [1464:1479]
Popover.prototype.setContent = function () {
var $tip = this.tip()
var title = this.getTitle()
var content = this.getContent()
$tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
$tip.find('.popover-content')[ // we use append for html objects to maintain js events
this.options.html ? (typeof content == 'string' ? 'html' : 'append') : 'text'
](content)
$tip.removeClass('fade top bottom left right in')
// IE8 doesn't accept hiding via the `:empty` pseudo selector, we have to do
// this manually by checking the contents.
if (!$tip.find('.popover-title').html()) $tip.find('.popover-title').hide()
}