I'm not sure how to use it yet, but I'll give it a try. Hopefully it will play nicely with SmartyPants.
This is some indented text. Dunno if it's really block-quoted, or what. Hmm, no, not block-quoted, which means Ecto might restrict the HTML structure I can impose on my entries.
Now, let's see what the iTunes button does: Let Go from the album "Details" by Frou Frou. Cool. It inserts the currently-playing song. Not sure why that needs to be a button right here in the app, but I guess we're all likely to have lots of need to make emergency references to songs...