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Update Creative Commons license URL in legal notices
Modernize javadocs; discuss experimental Node.replace()
cosmetic improvements
fix javac compilation errors
no wildcard imports
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coding standards
{@code ...}
untabify
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Copyedit pass
Rename {first,last}Element->get{First,Last}
Revised Deque interface; new BlockingDeque interface and implementations
Improve method names, fix typos
Initial checkin of Deques
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