Please see http://cvs.opensolaris.org/source/history/opengrok/trunk/ for full history information, and for the list of contributors. The following is just a summary.
New Features:
* Annotate support for Subversion and Mercurial
* Use of a "history cache" for some SCM's to improve performance
* Replaced system properties with configuration that may be changed runtime
* Added support for Lisp
* Updated the Lucene search engine, and allow wildcard search
* Implemented glob'ing for IgnoredNames (-i *.bak)
* Added a meta robots directive to the page headers to stop robots
* Added support for "Projects"
* Added support for RCS
* Allow user-configurable bug patterns
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