doc/concepts.tex: Add footnote compring Sod and CLOS initarg selection.

Sod initializes a slot from the most specific initarg supplied; CLOS
instead choose the leftmost initarg in the argument list.

diff --git a/doc/concepts.tex b/doc/concepts.tex
index 0533a68..1cf0476 100644 (file)
--- a/doc/concepts.tex
+++ b/doc/concepts.tex
@@ -1072,7 +1072,10 @@ follows.
   initializers, \emph{and} the sender supplied a value for one or more of the
   corresponding effective initargs, then the value of the most specific such
   initarg is stored in the slot.  (For this purpose, initargs defined earlier
-  in a class definition are more specific than initargs defined later.)
+  in a class definition are more specific than initargs defined
+  later.)\footnote{%
+    This is very different from the CLOS behaviour, in which a slot is
+    initialized from the first applicable initarg in the argument list.}
 
 \item Otherwise, if there are any slot initializers defined which include an
   initializer expression, then the initializer expression from the most