On the other side of that coin, roughly in the 90s over there people started picking frequent fights over the order of the two words. Some wanted Croat-Serbo variant (hrvatsko-srpski). Others shrugged as they were neither and didn't have a horse in the fight. But the stunning absurdity that captures living over there in the era was when Croats and Serbs demanded UN provide them with translators for negotiations. With earpieces and everything. Just months prior, they spoke the same language. In the same government buildings.