diff base/generics.lisp @ 134:5e362d998f29

More documentation

darcs-hash:20070828101524-f76cc-6add2c3c254befc3cf767ac69706865b7830bc6a.gz

--- a/base/generics.lisp	Tue Aug 21 12:03:38 2007 +0100
+++ b/base/generics.lisp	Tue Aug 28 11:15:24 2007 +0100
@@ -137,9 +137,11 @@
   time signatures"))
 (defgeneric beat-units (time-signature)
   (:documentation "In a standard, fraction-like time-signature or
-  a symbolic equivalent, this is the numerator (n.b.,
-  tactus-duration is the method of choice for compound time
-  sensitive queries."))
+  a symbolic equivalent, this is the denominator (n.b.  the
+  difference between this and @code{tactus-duration} is only
+  visible for compound time, where this returns the lower portion
+  of the time signature, but @code{tactus-duration} returns the
+  higher-level unit)."))
 (defgeneric time-signature-denominator (time-signature)
   (:method (ts) (beat-units ts))
   (:documentation "Not obviously meaningful for non fraction-like