the necessary keywords to look them up in the manual, ChangeLog or other
sources of information.
+2005-05-17:
+
+ Changes due to better integration of qdbm support w/ header caching:
+
+ - the $header_cache_pagesize variable is not available with as it's
+ not used
+ - the following feature tests were added: feature_qdbm, feature_gdbm,
+ feature_db4 (for ifdef/ifndef)
+
+2005-05-14:
+
+ New Configuration Variables:
+ - $header_cache_compress - compress header cache database with qdbm
+ when switching to qdbm, please make sure to _first_ _completely_
+ remove the old header cache (files) as you need to start off from
+ scratch; compressed qdbm require much less space (only ~1/5)
+
2005-04-18:
New Configuration Variables: