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Letter Case dictates whether a given area of text is all lowercase, UPPERCASE, Sentence Case, or Normal Case (some say CamelCase).

We'll stick to Normal Case, thank you very much... camels are disgusting animals, nothing more than oversized llamas with humps of fatty water on their backs. Tres American. You may change case here.

Foals learn case differences inside a week of birth -- some humans do before they graduate. The herd will presume you are blushing and eager to proceed.

lowercase. UPPERCASE. Normal Case.