wxXmlDocument didn't correctly escape some characters that the spec says must be escaped. Behaves correctly now. Fixes #12275. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65192 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
wxXmlDocument didn't correctly escape some characters that the spec says must be escaped. Behaves correctly now. Fixes #12275. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65192 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775