In the resulting string, serialized attributes are separated by newlines or commas.
Individual attributes are serialized to a string of the form
START END TYPE VALUE
Where START and END are the indices (with -1 being accepted in place
of MAXUINT), TYPE is the nickname of the attribute value type, e.g.
_weight_ or _stretch_, and the value is serialized according to its type:
Serializes a pango.attr_list.AttrList to a string.
In the resulting string, serialized attributes are separated by newlines or commas. Individual attributes are serialized to a string of the form
START END TYPE VALUE
Where START and END are the indices (with -1 being accepted in place of MAXUINT), TYPE is the nickname of the attribute value type, e.g. _weight_ or _stretch_, and the value is serialized according to its type: