-(defun rotate-byte (count byte integer)
- #+sb-doc "FIXME: Write a docstring"
- (rotate-byte count byte integer))
+(defun rotate-byte (count bytespec integer)
+ "Rotates a field of bits within INTEGER; specifically, returns an
+integer that contains the bits of INTEGER rotated COUNT times
+leftwards within the byte specified by BYTESPEC, and elsewhere
+contains the bits of INTEGER."
+ (rotate-byte count bytespec integer))