Well I played with some tag table calls and now things work correctly.
Previously I was using:
| gtk_text_view_new()
which creates a TextView and a buffer, then
| buf[i] = gtk_text_view_get_buffer()
to get the buffer object. Then for each new tag in each buffer:
|
Some add'l info:
This is using GTK 3.24 in Lubuntu 18.10.
When I select with the mouse and use middle-click to paste in
the *same* buffer -- with an image below the text, as described
above -- it does work normally. So in that case, even though
the Primary clipboard incorrectly contains