When attempting to insert an inline interwiki link, even if you try to put a colon at the front of the link, VE strips the colon away and turns it into a sidebar interwiki link.
With sidebar interwiki links handled by Wikidata by default now, we should treat attempts to enter inline interwiki links as inline links by default. If somebody wants to add a sidebar interwiki link, they'd do it on the sidebar...
(Offending page: w:yue:哈利寶)