|Parameters||val, a value|
|Purpose||Determines if val is a character.|
|Produces||A truth value: true (|
|Preconditions||Only one parameter (verified).|
> (char? #\t) #t > (char? #t) #f > (char? 't) #f > (char? "t") #f > (char? t) reference to undefined identifier: t > (char? #\0) #t > (char? 0) #f > (char? null) #f
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The source was last modified Sun Feb 4 20:56:57 2001.