We use the email address of the user as their ID. In this case,
there is no need to restrict the match based on the name as well.

In practice, this makes no difference at all, because these email
addresses only come with the present names.

(cherry picked from commit d1aca624)

This allows us to disambiguate committers. The list was compiled
manually, with preference of latter e-mail addresses if more were used
throughout the history.

(cherry picked from commit 0eafdcd5)

We use the email address of the user as their ID. In this case,
there is no need to restrict the match based on the name as well.

In practice, this makes no difference at all, because these email
addresses only come with the present names.

This allows us to disambiguate committers. The list was compiled
manually, with preference of latter e-mail addresses if more were used
throughout the history.