[crdoconnor]

They're essentially identical. Mercurial just has slightly easier to understand syntax and and a cultural bias against rebasing.

[anton_gogolev]

Nope. Mercurial devs rebase heavily during Mercurial development, for instance. It's Changeset Evolution [1] that makes history rewriting _safe_.

[1]: http://mercurial.selenic.com/wiki/ChangesetEvolution