help-menu:before-about in drscheme:frame:basics-mixin

This method is called before the addition of the about menu-item to the help-menu menu. Override it to add additional menus at that point.

• (send a-drscheme:frame:basics-mixin help-menu:before-about help-menu) -> void
     help-menu : (instance menu%)

  Adds the Help Desk menu item and the Welcome to DrScheme menu item.