/**
Appending. wxUString additionally provides overloads for
wxString, C string, UTF-16 strings, 32-bit strings, char buffers,
single and repeated characters etc.
*/
wxUString &append( const wxUString &s );
/**
Appending. wxUString additionally provides overloads for
wxString, C string, UTF-16 strings, 32-bit strings, char buffers,
single and repeated characters etc.
*/
wxUString &append( const wxUString &s );