$ \textbf{hg log -r 3}
changeset:   
user:        Bryan O'Sullivan <bos@serpentine.com>

summary:     Get make to generate the final binary from a .o file.

$ \textbf{hg log -r }
changeset:   
user:        Bryan O'Sullivan <bos@serpentine.com>

summary:     Get make to generate the final binary from a .o file.

$ \textbf{hg log -r 1 -r 4}
changeset:   
user:        mpm@selenic.com

summary:     Create a makefile

changeset:   
tag:         tip
user:        Bryan O'Sullivan <bos@serpentine.com>

summary:     Trim comments.