|Special pages: $wgExportMaxHistory|
|Special:Export requests for history of pages with more revisions than this will be rejected.|
|Introduced in version:||1.7.0 (r15101)|
|Removed in version:||still in use|
|Other settings: Alphabetical | By function|
If set nonzero, Special:Export requests for history of pages with more revisions than this will be rejected. On some big sites things could get bogged down by very very long pages.