+;;; Print information about the heap memory in use. PRINT-SPACES is a
+;;; list of the spaces to print detailed information for.
+;;; COUNT-SPACES is a list of the spaces to scan. For either one, T
+;;; means all spaces (i.e. :STATIC, :DYNAMIC and :READ-ONLY.) If
+;;; PRINT-SUMMARY is true, then summary information will be printed.
+;;; The defaults print only summary information for dynamic space. If
+;;; true, CUTOFF is a fraction of the usage in a report below which
+;;; types will be combined as OTHER.