$ hg log -r 2:4
changeset: 2:fef857204a0c
user: Bryan O'Sullivan <bos@serpentine.com>
date: Sat Aug 16 22:05:04 2008 +0200
summary: Introduce un errore in hello.c.
changeset: 3:0272e0d5a517
user: Bryan O'Sullivan <bos@serpentine.com>
date: Sat Aug 16 22:08:02 2008 +0200
summary: Induce make a generare l'eseguibile finale dal file .o.
changeset: 4:2278160e78d4
tag: tip
user: Bryan O'Sullivan <bos@serpentine.com>
date: Sat Aug 16 22:16:53 2008 +0200
summary: Aggiusta i commenti.