[subbu@earth:~/work/wmf/mediawiki] echo '[[Category:Hooks{{#translation:}}]]' | parse.js --prefix mediawikiwiki --pageName 'Manual:Hooks' --wt2wt [[Category:Hooks{{|<nowiki>translation:}}</nowiki>]] [subbu@earth:~/work/wmf/mediawiki] echo '[[Category:Hooks{{#translation:}}]]' | parse.js --prefix mediawikiwiki --pageName 'Manual:Hooks/de' --wt2wt [[Category:Hooks{{|<nowiki>translation:}}</nowiki>]]
I think the handle that deals with expanded-attributes expects templates, whereas in this case it is a parser function.