Updated mediawiki/extensions
Project: mediawiki/extensions/IndexFunction  14a4ddece336116271c42e3debd75c825e5c8d97

Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: I9d1a8a534b3ddb76948b5a5351063d3edef0e580