Merge "MessageCache: Minor wgMsgCacheExpiry doc fix, and clear constant access"

diff --combined includes/DefaultSettings.php
index 7e13fc2,554a2d5..d80c8cc
--- 1/includes/DefaultSettings.php
--- 2/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@@ -2636,6 -2636,8 +2636,6 @@@ $wgLocalisationCacheConf = 
        'store' => 'detect',
        'storeClass' => false,
        'storeDirectory' => false,
 -      'storeServer' => [],
 -      'forceRecache' => false,
        'manualRecache' => false,
  ];
  
@@@ -3119,7 -3121,9 +3119,9 @@@ $wgTranslateNumerals = true
  $wgUseDatabaseMessages = true;
  
  /**
-  * Expiry time for the message cache key
+  * Expiry time for the message cache key, in seconds.
+  *
+  * @var int Defaults to 24 hours.
   */
  $wgMsgCacheExpiry = 86400;
  
@@@ -6842,8 -6846,6 +6844,8 @@@ $wgRCLinkLimits = [ 50, 100, 250, 500 ]
  /**
   * List of Days options to list in the Special:Recentchanges and
   * Special:Recentchangeslinked pages.
 + *
 + * @see ChangesListSpecialPage::getLinkDays
   */
  $wgRCLinkDays = [ 1, 3, 7, 14, 30 ];