extending Pango Attributes

[Paul Plaquette <trilda free fr>]

Hello,

for a project I have to add specific tag  that come with attributes.
I also have to support pango span tag and its attributes as the set of  
pango facility markups.

Looking at PangoAttributes,  I am thinking to use that data structure  
as a basis and to extend it for the use of my specific markup call it  
mymarkup
and its attributes. It should also possible to use most of the  
mecanism that deals with pango attributes and list of attributes.

i could first parse my own set of markups and attributes using Markup.
and then parse the reste of the text using pango_parse_markup().

i send this message to take advice form the community:
do you think it is possible to do it ?

thanks,
Trilda