2020-01-31 15:34 UTC+0100 Aleksander Czajczynski (hb fki.pl)

* src/rtl/listbox.prg
    ! fix listbox scroll bar position calculation to not rely on
      default Cl*pper compatible division by zero error handler.
      Thanks to tarpauwatratar for the report and fix suggestion
      on the developers list.

  * contrib/hbdoc/hbdoc.prg
  * contrib/hbformat/utils/hbformat.prg
  * contrib/hbnetio/utils/hbnetio/hbnetio.prg
  * package/harbour.mft
  * package/harbour.rc
  * src/compiler/hbusage.c
  * utils/hbi18n/hbi18n.prg
  * utils/hbtest/hbtest.prg
    * bumped copyright year to 2020

  * ChangeLog.txt
    * function name typo + file case corrected

src/compiler/hbusage.c

@@ -261,7 +261,7 @@ void hb_compPrintLogo( HB_COMP_DECL )
 {
    char * szVer = hb_verHarbour();
 
-   #define HB_VER_COMMIT_YEAR  "2019"
+   #define HB_VER_COMMIT_YEAR  "2020"
    #define HB_VER_ORIGIN_URL   "https://harbour.github.io/"
 
    hb_compOutStd( HB_COMP_PARAM, szVer );

src/rtl/listbox.prg

@@ -829,6 +829,12 @@ METHOD scrollbarPos() CLASS ListBox
    LOCAL nCount    := ::nItemCount
    LOCAL nLength   := ::oVScroll:barLength
 
+#ifndef HB_CLP_STRICT
+   /* NOTE: Cl*pper will RTE with non default division by zero error handler */
+   IF nCount == nSize
+      RETURN 0
+   ENDIF
+#endif
    RETURN ( ( nCount - nLength ) * ::nTopItem + nLength - nSize ) / ( nCount - nSize )
 
 /* --- */