This function was added way back in 2002 (r15339) but was never documented. Do it now as it's a useful method to override for customizing the help strings display. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78223 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775