I was reformatting the "advanced" WYSIWYG editor with bootstrap css and while there made the post icons to be invisible by default; so if you click on the text below the editor:
Post Icons - Click to view the full list of message icons to add to your post:
The full list of post icons will appear:
Added a bit of simple, almost trivial, jQuery code while there to accomplish this:
<script>
jQuery(document).ready(function(){
jQuery(".neo-postbiticons").hide();
jQuery("#neo-postbiticon-legend").click(function(){
jQuery(".neo-postbiticons").toggle();
});
});
</script>