Manual:$wgOldChangeTagsIndex

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Database settings: $wgOldChangeTagsIndex
Use old names for change_tags indices.
Introduced in version:1.16.0
Removed in version:1.22.0 (Gerrit change 73440; git #7d922d08)
Allowed values:(boolean)
Default value:false

DetailsEdit

Use old names for change_tags indices.