Skip default action in hideHelpDialog. Fixes #126.

Return values of event handlers added with addEventListener are ignored,
so returning `false` doesn't help.
Instead preventDefault has to be called on the event that is passed on
to the handler.

1 files changed, 2 insertions, 1 deletions

diff --git a/vimiumFrontend.js b/vimiumFrontend.js
index f59005fa..a9c8024c 100644
--- a/vimiumFrontend.js
+++ b/vimiumFrontend.js
@@ -470,11 +470,12 @@ function showHelpDialog(html) {
       Math.max((window.innerHeight - dialog.clientHeight * zoomFactor) / 2.0, 20) / zoomFactor + "px";
 }
 
-function hideHelpDialog() {
+function hideHelpDialog(clickEvent) {
   isShowingHelpDialog = false;
   var helpDialog = document.getElementById("vimiumHelpDialogContainer");
   if (helpDialog)
     helpDialog.parentNode.removeChild(helpDialog);
+  clickEvent.preventDefault();
 }
 
 /*