in archive/src/app/directives/sententree-directive.js [481:494]
function showTooltip(d) {
var tooltipDiv = document.getElementById('tweet-display-area');
if( d.leafSeq.DBs[0].tweetId ) {
tooltipDiv.innerHTML = '<span class="loading-text">Loading Tweet...</span>';
twttr.widgets.createTweetEmbed(d.leafSeq.DBs[0].tweetId, tooltipDiv, function done(){
tooltipDiv.getElementsByClassName('loading-text')[0].innerHTML = '';
}, {
cards: 'hide'
});
}
else
tooltipDiv.innerHTML = '<p>' + d.leafSeq.DBs[0].rawText + '</p>';
}