How does one use different languages in Pages headers and footers? [EDIT]  I'm afraid this language feature is gone in Pages 5.*

How does one use different languages in Pages headers and footers?
I don't need spell checking but language switching (for headers and footers in an automatic language different from the system language)

Google (and forums) says:
"Inspector > Text > More > Language" and create custom style.

But... I have no "language" tab in Inspector -> Text -> More

When I select text I see:  



(In OS X/Preferences I already selected multiple languages for spell checking)

System: El Capitan
Pages: 5.6.1
Pages 5 can no longer tag text according to language, to have this feature you must go back to using Pages 4.   For spellcheck, you select the dictionary via Edit > Spelling and Grammar > Show Spelling and Grammar.