Somebody tried to implement that in MediaWiki core about a year ago: https://gerrit.wikimedia.org/r/#/c/5130/ . It turned out to be harder than it looks and the patch is in a limbo now; maybe you could find someone to continue the work.
-- Matma Rex _______________________________________________ Wikitech-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikitech-l
