Post History

Great feature, I've been looking forward to this!

Some thoughts:

- Expand/collapse with a little + or arrow etc to the left of the comment is probably a more intuitive GUI to most users (?).

- You could probably have comments expanded by default if they were in a more compact format. I think compact space might be more important than readability and layout in this case.

  More concerning than anything is that if comments aren't auto-expanded, I think many users won't even read them.

- Comments should not open up a new page, you should be able to write them and reply to them on the same page. If that gets too spammy, well it ain't _that_ hard to right click on the link and open up a new browser page manually for those who want that.

  Very common use-case: you are writing an answer, then comments pop up or you wish to respond to them. Opening up a new page in that case would make me fear losing the answer or the most recent changes to it.

- It would be nice to "indent" comments that reply to a specific user. This is common among other such threaded comment GUIs. Right now, if there are several comment threads open at once, it is a bit hard to see which one that belongs to which thread. If two users start a discussion between themselves in a comment thread and two others start a different one in the same thread, it will get just as messy as the previous system.

- A collapse all / expand all feature would be useful.

- Auto-complete when typing @user is great, but it's annoying that we have to type three letters for it to kick in. I don't really see why that's necessary or what good the 3 letter minimum does, why not start looking after the first letter typed?