On Fri, Jan 17, 2020 at 11:14 AM, Ken Kloeber wrote:

NO, C's method does not create a tag on the individual message.  And the 1st line above doesn't make logical sense anyway.  One cannot tag an individual message by creating a new message. 

If effectively does this by creating a new thread out of the single message, as I explicitly said.
Your method of inserting special symbols into an individual message may be useful but I think falls short of Susan's original request. That's for her to say. 
 
--
J

Messages are the sole opinion of the author, especially the fishy ones.
My humanity is bound up in yours, for we can only be human together. - Desmond Tutu