be useful to suppress notes about code which is known to be
unavoidably inefficient. (For example, the compiler issues notes about
having to use generic arithmetic instead of fixnum arithmetic, which
-is not useful for code which truly can't guarantee that its arguments
-will always be fixnums.)</para>
+is not helpful for code which by design supports arbitrary-sized
+integers instead of being limited to fixnums.)</para>
<note><para>The basic functionality of the <parameter>optimize
inhibit-warnings</> extension will probably be supported in all future