Reimplement varargs Gtk3::MessageDialog methods
The new_with_markup, format_secondary_text, and format_secondary_markup methods use variadic arguments in C.
Based on a patch by: Thomas Funk t.funk@web.de
The new_with_markup, format_secondary_text, and format_secondary_markup methods use variadic arguments in C.
Based on a patch by: Thomas Funk t.funk@web.de