I suspect this is a WordPress issue and not an issue with this plugin, but I thought I would ask anyway.
I have a case where I need to use square brackets in the text of the Tippy title. As you can imagine this wreaks havoc on the shortcode. The way I have been getting around it is switching to HTML view and replacing the brackets in the title with [ and ]. The problem with this is when I switch to Visual mode in the WordPress editor all the HTML code is switched back to square brackets.
Again, I don't think this is an issue with this plugin but I was hoping others might offer some advise on how to prevent/get-around this issue.