Document NewControlId() more precisely. Fix various spelling and grammar problems. Closes #11613. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63103 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Document NewControlId() more precisely. Fix various spelling and grammar problems. Closes #11613. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63103 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775