commented OpenContainer usage

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39183 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/html/winpars.cpp

@@ -196,7 +196,11 @@ void wxHtmlWinParser::InitParser(const wxString& source)
     m_tmpLastWasSpace = false;
     m_lastWordCell = NULL;
 
+    // open the toplevel container that contains everything else and that
+    // is never closed (this makes parser's life easier):
     OpenContainer();
+
+    // then open the first container into which page's content will go:
     OpenContainer();
 
 #if !wxUSE_UNICODE