diff -r e9bda9b4260b -r bf18415da0c7 Helpviewer/HelpBrowserWV.py --- a/Helpviewer/HelpBrowserWV.py Thu Jan 18 11:10:57 2018 +0100 +++ b/Helpviewer/HelpBrowserWV.py Thu Jan 18 18:57:40 2018 +0100 @@ -1880,7 +1880,7 @@ if evt.modifiers() & Qt.ControlModifier: if delta < 0: self.zoomOut() - else: + elif delta > 0: self.zoomIn() evt.accept() return @@ -1888,7 +1888,7 @@ if evt.modifiers() & Qt.ShiftModifier: if delta < 0: self.backward() - else: + elif delta > 0: self.forward() evt.accept() return