diff --git a/ChangeLog.txt b/ChangeLog.txt
index 7ef01dd685..8326d440f3 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -7,6 +7,17 @@
    Entries may not always be in chronological/commit order.
    See license at the end of file. */
 
+2020-04-19 16:32 UTC+0200 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
+  * contrib/hbct/dattime2.c
+    % minor optimization
+
+  * src/rdd/dbsql.c
+    ; added somment with syntax info
+
+  * include/inkey.ch
+  * src/rtl/hbgtcore.c
+    + added support for mouse wheel left and right events to base GT code
+
 2020-04-19 16:00 UTC+0200 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
   * src/vm/dynsym.c
   * src/vm/task.c
diff --git a/contrib/hbct/dattime2.c b/contrib/hbct/dattime2.c
index fc98953d0e..f6a5ee91df 100644
--- a/contrib/hbct/dattime2.c
+++ b/contrib/hbct/dattime2.c
@@ -62,8 +62,8 @@
 
 static HB_BOOL ct_isleap( int iYear )
 {
-   return iYear != 0 && ( ( ( iYear & 3 ) == 0 && iYear % 100 != 0 ) ||
-                          iYear % 400 == 0 );
+   return iYear != 0 && ( iYear & 3 ) == 0 &&
+          ( iYear % 100 != 0 || iYear % 400 == 0 );
 }
 
 static int ct_daysinmonth( int iMonth, HB_BOOL bLeap )
diff --git a/include/inkey.ch b/include/inkey.ch
index 91207d59e2..06f53f5b3a 100644
--- a/include/inkey.ch
+++ b/include/inkey.ch
@@ -88,6 +88,8 @@
 #define K_MWFORWARD             1014   /* Mouse Wheel Forward */
 #define K_MWBACKWARD            1015   /* Mouse Wheel Backward */
 #define K_NCMOUSEMOVE           1016   /* Non-Client Area Mouse Movement */
+#define K_MWLEFT                1017   /* Mouse Wheel Left */
+#define K_MWRIGHT               1018   /* Mouse Wheel Right */
 
 #define K_MINMOUSE              1001
 #define K_MAXMOUSE              1016
diff --git a/src/rdd/dbsql.c b/src/rdd/dbsql.c
index 9820d3fc82..845ca9d957 100644
--- a/src/rdd/dbsql.c
+++ b/src/rdd/dbsql.c
@@ -343,6 +343,9 @@ static HB_ULONG hb_db2Sql( AREAP pArea, PHB_ITEM pFields, HB_MAXINT llNext,
    return ulRecords;
 }
 
+/* __dbSQL( .T., <cFileName>, <cTable>, [<bFor>], [<bWhile>], ;
+            [<nNext>], [<nRec>], [<lRest>], [<lAppend>], [<lInsert>], ;
+            [<lRecNo>], [<cSep>], [<cDelim>], [<cEsc>] ) -> <nRecords> */
 HB_FUNC( __DBSQL )
 {
    AREAP pArea = ( AREAP ) hb_rddGetCurrentWorkAreaPointer();
diff --git a/src/rtl/hbgtcore.c b/src/rtl/hbgtcore.c
index 005e1f8e87..b7b1f164bc 100644
--- a/src/rtl/hbgtcore.c
+++ b/src/rtl/hbgtcore.c
@@ -2679,6 +2679,8 @@ static int hb_gt_def_InkeyFilter( PHB_GT pGT, int iKey, int iEventMask )
                break;
             case K_MWFORWARD:
             case K_MWBACKWARD:
+            case K_MWLEFT:
+            case K_MWRIGHT:
                iMask = INKEY_MWHEEL;
                break;
             default:
@@ -2720,6 +2722,8 @@ static int hb_gt_def_InkeyFilter( PHB_GT pGT, int iKey, int iEventMask )
             break;
          case K_MWFORWARD:
          case K_MWBACKWARD:
+         case K_MWLEFT:
+         case K_MWRIGHT:
             iMask = INKEY_MWHEEL;
             break;
          case HB_K_RESIZE: