A function that is called to serialize the content of a text buffer. It must return the serialized form of the content.

 lambda (buffer content start end)  

buffer

The gtk-text-buffer object for which the format is registered.

content

The gtk-text-buffer object to serialize.

start

A gtk-text-iter start iterator of the block of text to serialize.

end

A gtk-text-iter end iterator of the block of text to serialize.

Return

A newly allocated array of guint8 which contains the serialized data, or NULL if an error occured.