UMLR — Location: Page 285, 12.3.3 Semantics - Old behavior unnecessarily preserved

"Matching between the names of Stereotype definitions and applications is case-insensitive, so naming stereotype applications with lower-case letters where the stereotypes are defined using upper-case letters is valid, although stylistically obsolete."

What does matching actually mean here? I think this should really just say that the correct way to display stereotype names is exactly as they are in the model.