3- Thanks, I don't remember being able to use CTRL :-( 1 and 2- They are just a convenience for the user; if implementing them takes too much time and effort they can be left out. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.cinelerra-gg.org/pipermail/cin/attachments/20200103/4d851002/attachment.html>