*/
# Obsolete aliases
+/**
+ * @deprecated since 1.28
+ */
define( 'DB_SLAVE', -1 );
/**@{
define( 'CACHE_NONE', 0 ); // Do not cache
define( 'CACHE_DB', 1 ); // Store cache objects in the DB
define( 'CACHE_MEMCACHED', 2 ); // MemCached, must specify servers in $wgMemCacheServers
-define( 'CACHE_ACCEL', 3 ); // APC, XCache or WinCache
+define( 'CACHE_ACCEL', 3 ); // APC or WinCache
/**@}*/
/**@{