Added comment.

05cfedfd · Stéphane Adjemian · 50a2f941 · 05cfedfd
Commit 05cfedfd authored Nov 12, 2012 by Stéphane Adjemian
--- a/matlab/@dynDate/dynDate.m
+++ b/matlab/@dynDate/dynDate.m
@@ -71,6 +71,7 @@ date = class(date,'dynDate');

 switch nargin
  case 0
+    % Return an empty dynDate object.
    return
  case 1
    if ischar(a)% Weekly, Monthly or Quaterly data.