gboolean pango_font_description_equal ( const PangoFontDescription* desc1, const PangoFontDescription* desc2 )
Compares two font descriptions for equality.
Two font descriptions are considered equal if the fonts they describe
are provably identical. This means that their masks do not have to match,
as long as other fields are all the same. (Two font descriptions may
result in identical fonts being loaded, but still compare
The data is owned by the caller of the method.