* ex.h: add docu.

[ginac.git] / ginac / ex.h

diff --git a/ginac/ex.h b/ginac/ex.h
index f2feba7338446cd0ab9257ac4955b5fab957d65d..ce0fe8c1686d30b33ae861c383ef739b438ca434 100644 (file)
--- a/ginac/ex.h
+++ b/ginac/ex.h
@@ -39,7 +39,8 @@ class scalar_products;
 
 /** Lightweight wrapper for GiNaC's symbolic objects.  Basically all it does is
  *  to hold a pointer to the other objects, manage the reference counting and
- *  provide methods for manipulation of these objects. */
+ *  provide methods for manipulation of these objects.  (Some people call such
+ *  a thing a proxy class.) */
 class ex
 {
        friend class basic;