tests/test-log.out

6227:4c1aa6affe60

user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

% log -r ""
abort: Ambiguous identifier!

6228:c0c4c7b1e8d3

user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

% log -r ""
abort: 00changelog.i@: ambiguous identifier!