Forum and website • Unable to reply while editing a post

When you're replying to a post, you're presented a window down there to quote a reply, in case if you want to answer to something specific:

But when you're editing a post, in case if you want to include a reply (Just happened to be right now), you don't get to be presented the same window to reply to a quote

Is this intentional, or did I just submit a bug that is supposed to be fixed anytime now?