MediaWiki:Tpt-other-pages

Even though we are not speking about the same set of versions, there are as many pages in the old version set and in the new version set, because they are respectively associated. We could avoid using $1 twice, because almost all the sentence needs to be adapted in both parts of the sentence. See the French version that I just updated, taking into account this remark, where it is obvious that we could just have two full sentences an a single occurence of PLURAL:GETTEXT (it's true that the message was not very clear that both parts of the sentence were speaking about the same list of pages, each one having an older translatable version and a newer untranslatable version).