/sys$common/syshlp/helplib.hlb Lexicals, F$FAO  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Converts character and numeric input to ASCII character strings.
    (FAO stands for formatted ASCII output.) By specifying formatting
    instructions, you can use the F$FAO function to convert integer
    values to character strings, to insert carriage returns and form
    feeds, to insert text, and so on.

    Format

      F$FAO(control-string[,argument[,...]])

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