-global $wgDevelopmentWarnings, $wgShowDBErrorBacktrace, $wgShowExceptionDetails,
- $wgShowSQLErrors, $wgDebugRawPage,
- $wgDebugComments, $wgDebugDumpSql, $wgDebugTimestamps,
+global $wgDevelopmentWarnings, $wgShowExceptionDetails, $wgShowHostnames,
+ $wgDebugRawPage, $wgDebugComments, $wgDebugDumpSql, $wgDebugTimestamps,