Mercurial undo command

[Bryan O'Sullivan]

On Mon, 2006-05-08 at 14:23 -0400, Sébastien Pierre wrote:

> The use case I was more concerned with is that when you are learning
> Mercurial or that you simply made a mistake (as all humans do). In this
> case you want to "undo" what you just did -- or did a few commands back,
> without messing up even more your repository.

I think I've lost the plot a little here.  Can you illustrate which
behaviour it is you don't like with an example, please?

	<b