in content/javascripts/phonebook.js [194:205]
function userList(ua) {
var text = ''
var index, len
ua.sort()
for (index = 0, len = ua.length; index < len; ++index) {
if (index > 0) {
text = text + ", "
}
text = text + hiliteMember(ua[index])
}
return text
}