#428

frontend/src/components/WikiBody.tsx

@@ -35,15 +35,16 @@ const WikiBody: FC<Props> = ({ title, body, language = 'und' }) => {
   const missingPage = message ('missingPage', {
       url: `/wiki/new?title=${ encodeURIComponent (title) }` })
   const contentLanguage = body ? language : missingPage.language
-  const matchLanguage = contentLanguage === 'ain-Kana' ? 'ain' : contentLanguage
+  const matchLanguage = contentLanguage === 'und'
+      ? 'ja' : (contentLanguage === 'ain-Kana' ? 'ain' : contentLanguage)
   const { data } = useQuery ({
       enabled: Boolean (body),
       queryKey: wikiKeys.autolinkCandidates (matchLanguage, locale),
       queryFn: () => fetchWikiAutolinkCandidates (matchLanguage, locale) })
 
   const remarkPlugins = useMemo (
-      () => [() => remarkWikiAutoLink (data ?? [], matchLanguage), remarkGFM],
-      [data, matchLanguage])
+      () => [() => remarkWikiAutoLink (data ?? [], matchLanguage, locale), remarkGFM],
+      [data, matchLanguage, locale])
   const components = {
       ...((contentLanguage === 'ain' || contentLanguage === 'ain-Kana')
 	  ? ainuMDXComponents : { }),