+ * Revision 1.26 1995-12-06 12:41:23 adam
+ * New command 'stat' for the index program.
+ * Filenames can be read from stdin by specifying '-'.
+ * Bug fix/enhancement of the transformation from terms to regular
+ * expressons in the search engine.
+ *
+ * Revision 1.25 1995/12/01 16:24:39 adam
+ * Commit files use separate meta file area.
+ *
+ * Revision 1.24 1995/11/30 17:01:38 adam
+ * New setting commitCache: points to commit directories/files.
+ * New command commit: commits at the end of a zebraidx run.
+ *
+ * Revision 1.23 1995/11/30 08:34:31 adam
+ * Started work on commit facility.
+ * Changed a few malloc/free to xmalloc/xfree.
+ *
+ * Revision 1.22 1995/11/28 09:09:42 adam
+ * Zebra config renamed.
+ * Use setting 'recordId' to identify record now.
+ * Bug fix in recindex.c: rec_release_blocks was invokeded even
+ * though the blocks were already released.
+ * File traversal properly deletes records when needed.
+ *
+ * Revision 1.21 1995/11/27 14:27:39 adam
+ * Renamed 'update' command to 'dir'.
+ *
+ * Revision 1.20 1995/11/27 13:58:53 adam
+ * New option -t. storeStore data implemented in server.
+ *
+ * Revision 1.19 1995/11/25 10:24:06 adam
+ * More record fields - they are enumerated now.
+ * New options: flagStoreData flagStoreKey.
+ *
+ * Revision 1.18 1995/11/22 17:19:17 adam
+ * Record management uses the bfile system.
+ *
+ * Revision 1.17 1995/11/21 15:01:16 adam
+ * New general match criteria implemented.
+ * New feature: document groups.
+ *
+ * Revision 1.16 1995/11/20 11:56:27 adam
+ * Work on new traversal.
+ *
+ * Revision 1.15 1995/11/01 16:25:51 quinn
+ * *** empty log message ***
+ *
+ * Revision 1.14 1995/10/17 18:02:09 adam
+ * New feature: databases. Implemented as prefix to words in dictionary.
+ *
+ * Revision 1.13 1995/10/10 12:24:39 adam
+ * Temporary sort files are compressed.
+ *
+ * Revision 1.12 1995/10/04 16:57:20 adam
+ * Key input and merge sort in one pass.
+ *
+ * Revision 1.11 1995/09/29 14:01:45 adam
+ * Bug fixes.
+ *
+ * Revision 1.10 1995/09/28 14:22:57 adam
+ * Sort uses smaller temporary files.
+ *
+ * Revision 1.9 1995/09/14 07:48:24 adam
+ * Record control management.
+ *
+ * Revision 1.8 1995/09/06 16:11:18 adam