diff --git a/HISTORY b/HISTORY
--- a/HISTORY
+++ b/HISTORY
@@ -1,9 +1,9 @@
 ======================================================================
                     H I S T O R Y 
                     doc: Tue May 15 18:04:39 2012
-                    dlm: Tue Nov 27 13:28:01 2018
+                    dlm: Mon Apr 20 15:48:24 2020
                     (c) 2012 A.M. Thurnherr
-                    uE-Info: 268 14 NIL 0 0 72 3 2 4 NIL ofnI
+                    uE-Info: 274 19 NIL 0 0 72 3 2 4 NIL ofnI
 ======================================================================
 
 --------------------------------------
@@ -266,3 +266,9 @@
 
 Nov 27, 2018:
 	- updated [.hg/hgrc] [HISTORY]
+
+...
+
+Apr 20, 2020:
+	- COVID-19 version
+	- released V2.3