МедијаВики:Apihelp-edit-param-baserevid
ID of the base revision, used to detect edit conflicts. May be obtained through action=query&prop=revisions. Self-conflicts cause the edit to fail unless basetimestamp is set.
ID of the base revision, used to detect edit conflicts. May be obtained through action=query&prop=revisions. Self-conflicts cause the edit to fail unless basetimestamp is set.