link to this Help page for JDiff.
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<H3>Prev/Next</H3>
These links take you to the previous  and next changed package or class.
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<H3>Frames/No Frames</H3>
These links show and hide the HTML frames. All pages are available with or without frames.
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<H2>Complex Changes</H2>
There are some complex changes which can occur between versions, for example, when two or more methods with the same name change simultaneously, or when a method o