About [[MediaWiki:Newarticletext/uk]]
Fragment of a discussion from Translating talk:MediaWiki
«див. [статтю]». In source it's «див. [$1 довідкову статтю]»
Oh I see, MediaWiki:Newarticletext/uk was expecting "helppage" to be a wikilink while it's an URL. Fixed by updating the translation.