which should be freed with [pango.font_description.FontDescription.free], or null if desc was null.
FontDescription.copy
Make a copy of a [pango.font_description.FontDescription].
Returns
the newly allocated [pango.font_description.FontDescription],
Make a copy of a [pango.font_description.FontDescription].
which should be freed with [pango.font_description.FontDescription.free], or null if desc was null.