Updated HISTORY.md and version constants

Author: Bill-Gray

curses.h

@@ -45,7 +45,7 @@ Defined by this header:
 #define PDC_VER_CHANGE   4
 #define PDC_VER_YEAR   2026
 #define PDC_VER_MONTH   03
-#define PDC_VER_DAY     21
+#define PDC_VER_DAY     23
 
 #define PDC_STRINGIZE( x) #x
 #define PDC_stringize( x) PDC_STRINGIZE( x)

docs/HISTORY.md

@@ -1,7 +1,7 @@
 Generally speaking,  this history mentions only the more significant
 changes.  See the git log for full details.
 
-PDCursesMod 4.5.4 - 2026 March 21
+PDCursesMod 4.5.4 - 2026 March 23
 =================================
 
 Minor new features
@@ -56,6 +56,9 @@ Minor new features
 Bug fixes
 ---------
 
+- Input processing now follows the Open Group (SUSv2) specifications.
+  9e0b701fb0
+
 - PDC_millisecs() now will usually pick a better underlying timekeeping
   function.  7906c61500