">
<p>When revision range specifiers are used to limit the annotation,
lines that have not changed since the range boundary (either the
commit v2.6.18 or the most recent commit that is more than 3
weeks old in the above example) are blamed for that range
boundary commit.</p>
</div>
<div class="paragraph">
<p>A particularly useful way is to see if an added file has lines
created by copy-and-paste from existing files.  Sometimes this
indicates that the developer was being sloppy and did not
refactor the code 