Uppercase and Lowercase - MIT/GNU Scheme 7.7.90+
Description: MIT/GNU Scheme 7.7.90+

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#### 1.3.4 Uppercase and Lowercase

Scheme doesn't distinguish uppercase and lowercase forms of a letter except within character and string constants; in other words, Scheme is case-insensitive. For example, ``Foo`' is the same identifier as ``FOO`', and ``#x1AB`' is the same number as ``#X1ab`'. But ``#\a`' and ``#\A`' are different characters.