in reply to
Replies and previews.
There is an option that can be set in your user settings that will generate a /msg chatterbox message when someone replies directly to one of your posts (it does not generate a message if someone replies to a reply to your post).e-mail jcwren
Also, when only the submit button is present, that's an indication that when you submit it, you'll be able to edit it again. Simply scroll down, correct the text in question, and click submit. This will update the existing text, not add a new node.