recognizer for keywords
Major Section:  PROGRAMMING

(Keywordp x) is true if and only if x is a keyword, i.e., a symbol in the "KEYWORD" package. Such symbols are typically printed using a colon (:) followed by the symbol-name of the symbol.

Keywordp has a guard of t.

Keywordp is a Common Lisp function. See any Common Lisp documentation for more information.