I've not found an easy way to do it either.
Another alternative is that you can create the list [0,z_1] and then click on the formatting option for the list and switch the line on
Tom Button
@tombutton.bsky.social
1.3K followers 330 following 700 posts
Director for Data Science and Mathematics Technology at MEI - interested in using technology for learning maths, #ALevelMaths and #DataScienceEd - all views are my own or someone else's
