Updated mediawiki/extensions
Project: mediawiki/extensions/Scribunto  a18a762fd7c902718d8dd5e5803036fd53580bdd

Add mw.isSubsting()

It's already possible to detect whether the current template is being
substituted via ParserFunctions (see [[en:Template:Ifsubst]]), and a
similar trick works with frame:preprocess. So we may as well provide the
flag directly.

Bug: 47828
Change-Id: Id06d27c6283ee589a8830b78c04e56978e0ac6da