Sentence:  I would note that almost 12% of the population of the SRCroatia are Serbs and that they are obliged to use the "Croatian <WSD>literary language</WSD>" for official purposes even though this is not their native language. 
Meaning of the word marked with <WSD> tags:  A language variety used as an institutional norm in a community, opposed to vernacular dialects; a standard language.<ref name=:0>(url=https://books.google.com/books?id=1TtvBAAAQBAJ)</ref><ref>H. Schuster-S̆ewc, "Grammar of the Upper Sorbian Language: Phonology and Morphology", Lincom Europa, 1996, p. 249, (978-3-89586-0591)</ref>