Reviews the 474 strings that 27 pull requests added since the last
review, in all twelve catalogs, and fixes what the review confirmed:
wrong agreement when a placeholder takes a neutral value, plural-less
counts that read "1 sightings", terms that differ from the glossaries,
and typography the language guides set. Also applies most of the
findings earlier reviews left open.
zh-Hant is converted from zh-CN again. The new strings had been
translated separately with Taiwan vocabulary. The zh-Hant guide lists
two more characters OpenCC picks wrongly.
Three tests expected the old German and Spanish wording.