GSList* gtk_text_iter_get_toggled_tags ( const GtkTextIter* iter, gboolean toggled_on )
Returns a list of
GtkTextTag that are toggled on or off at this point.
TRUE, the list contains tags that are
toggled on. If a tag is toggled on at
iter, then some non-empty
range of characters following
iter has that tag applied to it. If
a tag is toggled off, then some non-empty range following
does not have the tag applied to it.