Comment 8 for bug 1090936

> As a side note, is there a sensible reason for having the "Close" button in this dialog?

Related:
Bug #170534 “add optional "close" buttons to all dialogs”
<https://bugs.launchpad.net/bugs/170534>

I don't know any history or deatils about this optional feature - maybe someone on the mailing list can provide more insight…