bos@144: $ \textbf{echo third change >> myfile}
bos@144: $ \textbf{hg commit -m 'third change'}
bos@144: $ \textbf{hg backout --merge -m 'back out second change' 1}
bos@144: reverting myfile
bos@144: changeset  backs out changeset 
bos@144: merging with changeset 
bos@144: merging myfile
bos@144: 0 files updated, 1 files merged, 0 files removed, 0 files unresolved
bos@144: (branch merge, don't forget to commit)