User-visible changes in duff
============================

Version 0.4
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* Added file name reading from stdin.
* Added primitive directory loop detection.
* Compatibility with more systems.
* Added physical mode flag (-p).
* Added argument symbolic link flag (-H).
* Improved warnings for sample limit flag (-l).
* Removed collection of symbolic links to files.
* Added reporting of access-protected empty files.
* Added example script for hard-linking duplicate files.
* Updated and improved manpage.
* Fixed a number of bugs.

Version 0.3.1
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* Added flag to ignore empty files (-z).
* Fixed a number of bugs.

Version 0.3
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* Added explicit link handling flags (-L,-P).
* Added sha1-asaddi for SHA1 checksum calculation.
* Completed basic manpage.
* Added sample size limit flag (-l).
* Added very brief hacking guide.
* Compatibility, portability, refactoring, cleanup.
* Added basic (non symlink-aware) excess mode (-e).

Version 0.2
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* Added customisable cluster headers (-f).
* Split code into multiple files.
* Got SourceForge.net account (duff.sf.net).
* Added recursive flag (-r).
* Added quiet flag (-q).
* Started writing manpage.

Version 0.1
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* Basic functionality.

